Specifications:
Feature: Charging by USB directly
Capacity: 3300mWh ( = 2200mah)
Purchase Contents:
Batteries (4-20pcs)
2 way USB Charging Cable!
These batteries run at a constant 1.5 volts, and fast Charge within an hour and a half! The first of their kind.
These Are Great to get that extra power out of some of your favorite battery operated Devices.