Features:
Brand new and high quality
Over-current protection; Over-charge protection; Under voltage protection; Light load protection; Overload protection; Short circuit protection
The battery reverse connect protection (any reverse battery 1 section， two， three， won\\\'t cause any damage to the mobile power box and battery)
Three color of power indicator for Charging: Red:0-30%; yellow: 30-60%; green: 60-100%
Plug and play， no need of switch over and over again
Use 1-3 pieces of 18650 battery， can support protect and unprotect battery
3 section of battery is working independently
Can charge for iphone， ipad， cell phone， tablet， and other devices
Charge cut-off voltage 4.2 V， discharge cut-off voltage 3 V
Power conversion efficiency of 85%
Output: 5V 1 A (max 1.4 A)
Input: 5V 1A (Micro USB)
Size: 10cm x 4.3cm x 4cm - 3.92inch x 1.69inch x 1.57inch