{"product_id":"cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester-dc-display-voltage-current-power-coulomb-meter","title":"CW20 DC0-420V WiFi Tuya Smart Digital Tester per la rilevazione della capacità della batteria al litio Display CC Tensione Corrente Potenza Misuratore Coulomb","description":"\u003csection data-tufzen-geo-summary=\"v1\" class=\"tufzen-product-summary\"\u003e\u003ch2\u003eRiepilogo del prodotto\u003c\/h2\u003e\n\u003cp\u003eCW20 DC0-420V WiFi Tuya Smart Digital Lithium Battery Capacity Detection Tester DC Display is a digital measurement tool selected for measuring voltage, current, resistance and common electrical parameters. È adatto per electricians, repair users and electronics hobbyists che hanno bisogno di hardware elettronico pratico per lavorare in modo affidabile sui propri progetti.\u003c\/p\u003e\n\u003ch3\u003eIdeale per\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003emeasuring voltage, current, resistance and common electrical parameters\u003c\/li\u003e\n\u003cli\u003eelectronics repair, home electrical checks and bench testing\u003c\/li\u003e\n\u003cli\u003etest elettronici, riparazione, prototipazione e flussi di lavoro maker\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003ePer chi è questo prodotto?\u003c\/strong\u003e È destinato a electricians, repair users and electronics hobbyists.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCosa devo controllare prima di acquistare?\u003c\/strong\u003e Consulta in questa pagina le opzioni del prodotto, le specifiche, gli accessori inclusi e i dettagli di compatibilità.\u003c\/p\u003e\u003c\/section\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--1.webp?v=1779198754\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eProduct instructions:\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1. The startup information has changed. If you need to turn off information monitoring, please long press the \"M\" key to enter the background and turn off the information prompt!\u003cbr\u003e\n2. Battery percentage (100% full voltage and 0% low battery voltage) and OVP (overvoltage alarm), LVP (low voltage alarm) need to be set separately, which can be set to the same value or different values\u003cbr\u003e\n3. This product is a bidirectional current, with a+symbol for charging and a - symbol for discharging, changed to the direction of the arrow (charging position ← symbol, discharging → symbol)\u003cbr\u003e\n4. When encountering WiFi connection failure, long press the\"M\" key to enter the background and select the WiFi reset option\u003cbr\u003e\n5. The system sound can be turned off or on, long press the \"M\" key to enter the background settings\u003cbr\u003e\n6. Language selection, long press the \"M\" key to enter the background settings\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eAPP instructions:\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1. Increase battery percentage Display (numerical and graphical Display)\u003cbr\u003e\n2. Charging as current, power will not change, discharging: The symbol - will be displayed in front of the current power value, for example, charging 12.0V 1.00A 12.00W, discharging: 12.0V -1.00A -12.00W is displayed\u003cbr\u003e\n3. Graph curve: Real time data can be opened, and the data will change in real time\u003cbr\u003e\nAll data is uploaded to the cloud once an hour and displayed, calculated on average every hour\u003cbr\u003e\n4. Add a switch for the relay (the device side requires long pressing the \"+\" key or \"-\" key to turn on and off). This function will only take effect if the relay Kit is purchased\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eUser manual and APP download\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1, User manual, PC software installation instruction and PC software and Android APP download link :http:\/\/en.atorch.NewsDetail.aspx?ID=90\u003cbr\u003e\nUser manual:http:\/\/en.atorch.upload\/20250613110332.pdf\u003cbr\u003e\n2, IOS APP: search smart life or tuya APP on iphone APP store to download\u003cbr\u003e\n3, Android APP: search smart life or tuya APP at Google play to down load\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eFour options on control:\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1. Remote control anytime anywhere (mobile app, Tuya Smart, Smart Life)\u003cbr\u003e\n2. Voice control (AI speaker, Alexa, Google, Alice, ...)\u003cbr\u003e\n3.Timing control (programmable schedule)\u003cbr\u003e\n4.Manual control (by button)\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eBuilt in WiFi modulo, supports 2.4G network!\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--2.webp?v=1779198755\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--3.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--4.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--5.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--6.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--7.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--8.webp?v=1779198755\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--9.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--10.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--11.webp?v=1779198755\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eBuilt in WiFi modulo\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eRemote Control:Connect the CW20 meter Wi-Fi to 2.4GHz Wi-Fi, then you can monitor or adjust on your phone through the app at any time anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eProduct parameters\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1 Voltage range:DC 0-420V (Need DC5V independent alimentatore)\u003cbr\u003e\nCapacity range: 0-99999AH\u003cbr\u003e\nCurrent range:0-30A\/0.1-100A\/0.2-200A\/0.3-300A\/0.4-400A\/0.5-500A\/0.6-600A(optional)\u003cbr\u003e\n2 Support the modification of circuits that require additional relays to be fully charged and fully discharged, which can protect the battery;\u003cbr\u003e\n3 Support low-voltage, over-voltage, over-Power prompt or power outage (when adding 5V relay circuit); Support bidirectional current testing access,After the line, there is no distinction between the direction of current!\u003cbr\u003e\n4 Support shunt selection: 100A\/200A\/300A\/400A\/500A\/600A\u003cbr\u003e\n5The screw and nut specifications: M8\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--12.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--13.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--14.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--15.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--16.webp?v=1779198755\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--17.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--18.webp?v=1779198754\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-size:20px;font-weight:bold;color:rgb(253, 0, 0)\"\u003eAttention:\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:normal;color:rgb(40, 0, 255)\"\u003eThis product is a bidirectional current test. When discharging, the current displays a \"-\" symbol. When charging, the current displays a \"+\" symbol. The capacity test is cumulative, and you need to hold down the \"+\" and \"-\" keys to reset zero the capacity. Enter charging or discharging to test the capacity, and the test result is the discharge capacity or charging capacity!\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eAttention:\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eProduct upgrade instructions. Currently, the new product has been upgraded to combine PC and independent alimentatore. Please refer to the actual product received, as both can use independent alimentatore. Thank you\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--19.webp?v=1779198754\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--20.webp?v=1779198754\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--21.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--22.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--23.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--24.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--25.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--26.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--27.webp?v=1779198760\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--28.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 30A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.30A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--29.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 100A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.100A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--30.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 200A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.200A meter WiFi versionx1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--31.webp?v=1779198760\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 300A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.300A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--32.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 400A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.400A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--33.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 500A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.500A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--34.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC0-420V 600A Product List\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.600A meter WiFi version x1pcs\u003cbr\u003e\n2.USB alimentatore cables x1pcs\u003cbr\u003e\n3.Temperature probe x1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--35.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_text-image\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eDC100V80A Relay\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eIf you need power off function, you can add a shopping cart to purchase DC5V30A relay together!\u003cbr\u003e\n1.DC100V80A Relay 1pcs\u003c\/p\u003e\n\u003cdiv\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--36.webp?v=1779198759\" style=\"margin-bottom:10px\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--37.webp?v=1779198760\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_image\"\u003e\u003cdiv\u003e\u003cimg class=\"detail-desc-decorate-image\" referrerpolicy=\"no-referrer\" slate-data-type=\"image\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/tufzen-cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester--38.webp?v=1779198759\" loading=\"lazy\" decoding=\"async\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp class=\"detail-desc-decorate-title\" style=\"font-family:OpenSans;font-size:20px;font-weight:900;line-height:28px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003eFequently asked question (FAQ)\u003c\/p\u003e\n\u003cp class=\"detail-desc-decorate-content\" style=\"font-family:OpenSans;font-size:14px;font-weight:300;line-height:20px;white-space:pre-wrap;color:rgb(0, 0, 0);margin-bottom:12px\"\u003e1.Can a PC connect multiple devices online?\u003cbr\u003e\nAnswer: No, a computer can only connect to one device through USB. If multiple devices are needed to view simultaneously, please prepare multiple computers to connect\u003cbr\u003e\n2.Can mobile apps add multiple devices?\u003cbr\u003e\nAnswer: Yes, you can download and install the doodle or smart life app, pair it with WiFi, and add it to each device to observe the measurement data of different devices\u003cbr\u003e\n3.Can I view the data curve data?\u003cbr\u003e\nAnswer: Yes, you can view the current\/voltage\/power\/energy\/CPU temperature data curve!\u003cbr\u003e\n4.Does the device need to be powered independently by DC5V?\u003cbr\u003e\nAnswer: Yes, it is necessary. Due to the WiFi modulo, a USB DC 5V alimentatore is required to power the device in order to work.\u003cbr\u003e\n5.Why does the connecting relay not work?\u003cbr\u003e\nAnswer: Please note that if a relay is connected, the USB DC5V alimentatore needs to be plugged into the HID interface in order for the relay to function!\u003cbr\u003e\n6. Do I need to turn on Bluetooth and location information (GPS) when connecting to the WiFi app on my phone?\u003cbr\u003e\nAnswer: Yes, Bluetooth and location information (GPS) must be turned on to allow\u003c\/p\u003e\n\u003c\/div\u003e\u003cbr\u003e","brand":"CW20","offers":[{"title":"100V 80A Relay","offer_id":47120885907714,"sku":"12000048277597401","price":23.5,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 30A","offer_id":47120885940482,"sku":"12000048277597402","price":32.24,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 100A","offer_id":47120885973250,"sku":"12000048277597403","price":34.27,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 200A","offer_id":47120886006018,"sku":"12000048277597404","price":36.18,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 300A","offer_id":47120886038786,"sku":"12000048277597405","price":38.46,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 400A","offer_id":47120886071554,"sku":"12000048277597406","price":40.38,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 500A","offer_id":47120886104322,"sku":"12000048277597407","price":42.54,"currency_code":"USD","in_stock":true},{"title":"CW20 DC420V 600A","offer_id":47120886137090,"sku":"12000048277597408","price":44.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0636\/7674\/3938\/files\/S7e99a7289fd244c3a226a571c8eccc87B.webp?v=1765352167","url":"https:\/\/tufzen.com\/it\/products\/cw20-dc0-420v-wifi-tuya-smart-digital-lithium-battery-capacity-detection-tester-dc-display-voltage-current-power-coulomb-meter","provider":"TUFZEN","version":"1.0","type":"link"}