* Function: Built-in usb cable* Capacity 4000mAh * Battery : polymer battery cell Grade A++* Input 5V/1A* Output :5V/1A* Charging Time: About 3-4Hours * Efficiency: 85%-90%* Recycling times ≥500 times * Dimension :117*67*9.5mm* Weight :156g* Material ABS
1. Professional power bank manufacturer base in shenzhen China for over eight years
2. Have passed factory ISO9001 ,So production can be very fast .
3. All products comes with CE,ROHS and FCC , Real capacity
4. Welcome OEM and ODM