Main Features:
- Backpack 4000mAh Power Bank for iPhone 5 / 5s / 6 / 6s / 6 Plus / 6s Plus / 7 / 7 Plus
4000mAh capacity with 2.1A big current charging case gives you enough power to achieve a longer standby timeExtend the battery life of your phone for hours with more power to talk， surf and send- Portable and Detachable
No recharging cables are required， you can plug and recharge immediatelyPut on the backpack power bank to charge your mobile phone and put off it to restore the mobile phone thickness-?Smart Charging without Damaging Your Machines
Using intelligent fractional frequency division technology. Self-adapting to equipment required current， safe， durable and powerful-?High-quality Material with Fine Workmanship
Built-in high-quality polymer lithium battery， made of PC material with silicone layer， do not scratch your mobile phone-?Multiple Security Protections
Achieving nine layers of protections: overcharge， over voltage， over current， electromagnetic field， short circuit， over heat， over power， recovery， over discharge protectionsParameters:
Capacity: 4000mAhMaterial: PCInput current: 1.5A (max)Output current: 2.1A (max)


Battery Capacity: 3001mAh-4000mAh


0.1080 Package weight: 0.136 kg
Product Size(L x W x H): 12.80 x 8.20 x 1.30 cm / 5.04 x 3.23 x 0.51 inches
Package Size(L x W x H): 21.00 x 10.50 x 2.00 cm / 8.27 x 4.13 x 0.79 inches


Package Contents: 1 x Power Bank