5V Boost Step Up Power Module Lithium LiPo Battery Charging Protection Board LED Display USB for DIY Charger 134N3P Program

5V Boost Step Up Power Module Lithium LiPo Battery Charging Protection Board LED Display USB for DIY Charger 134N3P Program

Description

Usable batteries: 18650 batteries, mobile phone batteries, tablet batteries, MP3 batteries and other 3.1V-4.2V polymer lithium batteries, (note: parallel connection increases capacity, series connection increases voltage, and can only be used in parallel!) Unusable batteries: dry batteries, accumulators, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V iron-lithium polymer lithium batteries, etc.

Product Parameter
Small size supports charging and discharging Overcharge and over discharge protection
Input port: Micro USB /  Type-C USB
Input requirements: 5V constant voltage power supply can be used as charging input power
Output port: USB
Output parameters: 5V1A
Product size: 18*20mm

Pay Attention
1. The batteries must be connected in parallel, and the voltage must be between 3.2-4.2V to work. Both 18650 flat-head and polymer batteries can work;
2. The battery is positively connected to the motherboard B+ negatively connected to B-, if it is installed reversely, the resistance will be burned out;
3. It is not recommended to mix old and new batteries, batteries with high internal resistance, and batteries with large capacity gaps.

Package Included

1 Pcs 5V Boost Step Up Power Module