OEM Relay module with ESP1 module reviews
Product details
Product description
Applications: lithium battery - Usage method: connect the positive and negative port of the display with the positive and negative port of the tested battery, the digital tube will display the battery electricity quantity in real time - Digital color: red, display the blue block (when the battery electricity quantity is full, all will be lit) Electricity quantity display parameter: 1. When the battery voltage exceeds N * 3.3V, 1 block electricity quantity will light up (note: N represents the battery quantity) 2. When the battery voltage exceeds N * 3.5V, it will light the 2 block electricity quantity 3. When the battery voltage exceeds N * 3.7V, it will light the 3 block electricity quantity 4. When the battery voltage exceeds N * 3.9V, it will light the 4 block electricity quantity 5. When the battery voltage is lower than N * 3.3V, the 4-block display will be off
it represents the battery is less than 3.3V and you can charge the battery
Additional info
- EU Responsible details are here.
- Please refer to the actual product packaging or the user manual for information regarding storage conditions.
- A maximum of 5 units of this product can be ordered. Trendyol reserves the right to cancel orders over 5 units.
- Sold and fulfilled by .
- Barcode No: 5940733142033