CW20 DC0-420V WiFi Tuya Smart Digital Lithium Battery Capacity Detection Tester DC Display Voltage Current Power Coulomb Meter
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$64.71Sold by BILLIONS BIRDS
Description
Product instructions:
1. 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!
2. 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
3. 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 ā symbol, discharging ā symbol)
4. When encountering WiFi connection failure, long press the"M" key to enter the background and select the WiFi reset option
5. The system sound can be turned off or on, long press the "M" key to enter the background settings
6. Language selection, long press the "M" key to enter the background settings
APP instructions:
1. Increase battery percentage display (numerical and graphical display)
2. 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
3. Graph curve: Real time data can be opened, and the data will change in real time
All data is uploaded to the cloud once an hour and displayed, calculated on average every hour
4. 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 package is purchased
User manual and APP download
1, User manual, PC software installation instruction and PC software and Android APP download link :http://en.atorch.cn/NewsDetail.aspx?ID=90
User manual:http://en.atorch.cn/upload/20250613110332.pdf
2, IOS APP: search smart life or tuya APP on iphone APP store to download
3, Android APP: search smart life or tuya APP at Google play to down load
Four options on control:
1. Remote control anytime anywhere (mobile app, Tuya Smart, Smart Life)
2. Voice control (AI speaker, Alexa, Google, Alice, ...)
3.Timing control (programmable schedule)
4.Manual control (by button)
Built in WiFi module, supports 2.4G network!
Built in WiFi module
Remote 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.
Product parameters
ā Voltage range:DC 0-420V (Need DC5V independent power supply)
Capacity range: 0-99999AH
Current rangeļ¼0~30A/0.1~100A/0.2~200A/0.3~300A/0.4~400A/0.5~500A/0.6~600A(optional)
ā” Support the modification of circuits that require additional relays to be fully charged and fully discharged, which can protect the battery;
ā¢ 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!
ā£ Support shunt selection: 100A/200A/300A/400A/500A/600A
ā¤The screw and nut specifications: M8
Attention:
This 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!
Attention:
Product upgrade instructions. Currently, the new product has been upgraded to combine PC and independent power supply. Please refer to the actual product received, as both can use independent power supply. Thank you
DC0-420V 30A Product List
1.30A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 100A Product List
1.100A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 200A Product List
1.200A meter WiFi versionx1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 300A Product List
1.300A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 400A Product List
1.400A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 500A Product List
1.500A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC0-420V 600A Product List
1.600A meter WiFi version x1pcs
2.USB power supply cables x1pcs
3.Temperature probe x1pcs
DC100V80A Relay
If you need power off function, you can add a shopping cart to purchase DC5V30A relay together!
1.DC100V80A Relay 1pcs
Fequently asked question (FAQ)
1.Can a PC connect multiple devices online?
Answer: 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
2.Can mobile apps add multiple devices?
Answer: 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
3.Can I view the data curve data?
Answer: Yes, you can view the current/voltage/power/energy/CPU temperature data curve!
4.Does the device need to be powered independently by DC5V?
Answer: Yes, it is necessary. Due to the WiFi module, a USB DC 5V power supply is required to power the device in order to work.
5.Why does the connecting relay not work?
Answer: Please note that if a relay is connected, the USB DC5V power supply needs to be plugged into the HID interface in order for the relay to function!
6. Do I need to turn on Bluetooth and location information (GPS) when connecting to the WiFi app on my phone?
Answer: Yes, Bluetooth and location information (GPS) must be turned on to allow
Shop Policies
Payment Policy
Payment Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are committed to providing a safe, secure, and seamless payment experience for our customers.
1. Accepted Payment Methods
We accept the following payment options:
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All payments must be completed in full at the time of purchase.
2. Secure Transactions
All transactions are processed through encrypted and secure payment systems to protect your personal and financial information. We do not store your full payment details on our servers.
3. Currency
Prices are displayed in the currency indicated on the website. If you are purchasing from another country, your bank may apply currency conversion fees.
4. Order Confirmation
Once your payment has been successfully processed, you will receive an order confirmation email containing your purchase details.
5. Failed or Declined Payments
If your payment is declined, please verify your billing information or contact your bank. Orders will only be processed after successful payment confirmation.
6. Fraud Prevention
BILLIONS BIRDS reserves the right to cancel or refuse any order if fraud or unauthorised activity is suspected.
Delivery Policy
Delivery Policy – BILLIONS BIRDS
At BILLIONS BIRDS, we are dedicated to delivering your orders safely and efficiently.
1. Order Processing
All orders are processed within 1–3 business days after payment confirmation. Orders are not processed or shipped on weekends or public holidays.
2. Shipping Times
Estimated delivery times vary depending on your location:
Domestic Shipping: 3–7 business days
International Shipping: 7–15 business days
Please note that delivery times are estimates and may vary due to customs procedures, carrier delays, weather conditions, or other unforeseen circumstances.
3. Shipping Costs
Shipping fees are calculated at checkout based on your location and selected shipping method. Any customs duties, taxes, or import fees are the customer's responsibility.
4. Tracking Information
Once your order has been shipped, you will receive a confirmation email with tracking details (if available) so you can monitor your package.
5. Delivery Issues
If your order is delayed, lost, or arrives damaged, please contact us within 7 days of the expected delivery date. We will work with the shipping carrier to resolve the issue as quickly as possible.
6. Incorrect Shipping Information
Customers are responsible for providing accurate shipping details at checkout. BILLIONS BIRDS is not responsible for orders shipped to incorrect addresses provided by the customer.
Refund Policy
Refund Policy – BILLIONS BIRDS
At BILLIONS BIRDS, customer satisfaction is our top priority. If you are not completely satisfied with your purchase, we’re here to help.
1. Return Eligibility
You may request a return within 14 days of receiving your order. To qualify for a return:
The item must be unused, unworn, and in the same condition as received.
The item must be in its original packaging.
Proof of purchase (order confirmation or receipt) is required.
Certain items may not be eligible for return, including clearance items, gift cards, or personalised/custom products.
2. Non-Refundable Items
The following items are non-refundable:
Final sale or discounted items
Gift cards
Items damaged due to misuse, negligence, or improper care
3. Return Process
To initiate a return, please contact our customer support team with your order number and reason for return. If your return is approved, you will receive instructions for returning the item.
Unless the item is defective or incorrect, customers are responsible for return shipping costs.
4. Refund Processing
Once we receive and inspect your returned item:
We will notify you of the approval or rejection of your refund.
If approved, the refund will be issued to your original payment method within 5–10 business days.
Please note that banks or payment providers may require additional time to process refunds.
5. Damaged or Incorrect Items
If you receive a damaged, defective, or incorrect item, please contact us within 7 days of delivery and provide clear photos of the product and packaging. We will arrange a replacement or full refund at no additional cost.
6. Late or Missing Refunds
If you have not received your refund:
Check your bank account again.
Contact your credit card company or payment provider.
If the issue persists, don't hesitate to contact our support team for assistance.
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