Akupank Rivacase, 4000 mAh, valge v.

Li-Polymer portable rechargeable battery
4000mAh battery capacity
Input DC: micro USB 5.0V/1A.
Output DC: USB 5.0V/2A for speed charging the mobile devices.
Compatible with all popular models of smartphones, tablets and other mobile devices.
integrated USB – micro USB cable
Automatic turn on/off
To check the battery status, tap the battery body and 4 LED indicators will show the remaining power
Safety protection: over charge, over discharge, over current, short circuit protection
Full RIVAPOWER VA 2004 is enough for smartphone charging – up to 2 times, tablet charging – up to 1 time (depending on the device battery capacity)
RIVAPOWER battery can be charged and discharged more than 500 times
Durable and lightweight plastic body to protect the battery from accidental damage