This is a 3.7V lithium battery charger module based on TP4056 with Micro USB interface.It is small size and light weight, especially for a single lithium battery charging.

1. Input voltage: 4.5V ~ 5.5V.

2. Input Interface: Micro USB port (phone used).

3. Charging method: linear charge.

4. A full charge voltage: 4.2V.

5. Charge Current: 1A (default), modify the onboard resistor to adjust the charging current according to the table below.

6. Charging accuracy: 1.5%.

7. Charging indicator: Blue LED charging, Red LED full.

8. Output Reverse: lithium batteries can not reverse.

9. Dimensions: 25 x 19 x 10mm.

Your order will be dispatched within 3-5 working days. Most deliveries require someone to accept and sign for the delivery to ensure the goods are received correctly. To help you we can arrange for delivery to be made elsewhere. Click here for more information.

We hope you like your purchase, however, if you are not entirely satisfied with any item, it can be sent back to us for a refund, provided it is returned within 14 days after delivery has been made (unless otherwise specified). Please click here for more information.