Description
Power Bank Module is a super mini power bank mainboard compatible with 3.7V-4.2V li-ion battery. On-board micro USB port for battery charging and USB type A female output port supporting DC 5V A input and 5V 2A output. Just connect it with a 18650 battery then you can get a portable power bank.
Features
- Input Voltage and Current: 5V 2A
- Compatible Battery: 3.6V – 4.2V Lithium Ion battery
- Onboard USB Type A Connector
- Onboard Micro USB Connector
- Charging/Discharging LED Indicator
Specification
- Built-in lithium battery protection IC, over-current, over charging, under voltage protection.
- 4-level LED lamp display power, not working state intelligent automatic shutdown.
- Dual USB output ports; Input port: Micro USB; Output port: USB; Output parameters: 5V 1A/5V 2AInput requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5v 2A above
- .Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery.