Description

DIY powerbank for 4pcs  Li-ion  18650  battery powered box high grade waterproof with USB / DC dual output interface  for  phone

This 18650 waterproof battery box is mainly optimized on the basis of the traditional 18650 8.4V lithium battery pack. After optimization, it has the following advantages: 1. This battery box has XP7 waterproof function. 2. There is no need to spot weld the battery, which greatly reduces the internal resistance of the battery and improves the battery discharge performance, thereby effectively improving the battery life. 3. Easy to use, can use two or four 18650 lithium batteries 4. With DC connector input and output voltage 8.4V. The USB connector has an output voltage of 5V and a current of 2A, and has the function of charging the mobile phone. 5. With power display function

Product Specifications:

1. Overcharge protection voltage: 8.4V DC 2. Over discharge protection voltage: 5V DC 3. Current overcharge protection voltage: 9V DC 4. Static (standby) current: less than 10uA 5. USB output standard voltage: 5V DC 6: USB output current: 2100mA Max.

Package include:

1pc Powered BOX Without 18650 batteries.