Power Bank Module With Dual USB 5V 2A

Introduction :

Features :

• 4-level LED lamp display power, not working state intelligent automatic shutdown;
• The built-in lithium battery protection IC, over-current, overpressure, under-voltage protection;
• Dual USB output ports.
• Input requirements: 5V constant voltage power supply can do charge input power, the most matching charger for 5V 1A above
• Requirements for rechargeable batteries:
• Compatible Batteries: 18650 batteries, cell phone batteries, flat-panel batteries, MP3 batteries, etc. 3.7v-4.2V polymer Lithium battery.