SMART POWER BANK Case Box For Mobile Phone 2x18650 Li-ion Battery Box Shell

SMART POWER BANK Case Box For Mobile Phone 2x18650 Li-ion Battery Box Shell

Feature:
You can put two 18650 battery combination charging for digital products, such as batteries 2200MAH18650 can become a high-capacity 4400mAh mobile power large capacity expansion capability
Intelligent detection battery, 4 led indicator shows empty
1 × 5V 1.5A USB interface allows you to charge digital products at any time
Multiple functions
Assembly 1 or 2 sets of 18650 lithium battery (any capacity), it can be the power bank. It supports 5V device (I <1.5A), mobile phones, IPAD, PDA, GPS, MP3, MP4, digital cameras, game consoles, rechargeable flashlights, etc., which can be 18650 lithium battery charger.
Intelligent Management
Supports 1 or 2 sets of lithium batteries.
Support any capacity 18650 Li-ion batteries.
Supports 3.6V and 3.7V lithium battery.

Intelligence indicates
Power indicator light. LED 25% -50% -75% -100%
Charging indicator: LED flashes indicates the current charge mode. When the batteries are full, four LED will not blink.
Security
Use Seiko battery protection IC
Charge Management Protection
MCU monitoring and management protection
Reverse Battery Protection
Over-temperature, over-voltage, over discharge and short circuit protection.
Lithium Battery 18650 X2 only
Batteries can not be reversed
Any damage caused by reverse battery go out of our warranty.

Please note: This project is just a shell, no battery in the package!