The USB output refers to the rate at which the storage battery charges the phone. The mAh battery capacity is the amount of power that the battery supplies to the device being charged. Lithium-ion and Lithium Polymer are both types of rechargeable batteries. What is mAh? mAh is short for milliAmp/hours. It's a measurement of the amount of energy the battery can store. For example, an iPhone 6 has approximately 1810 mAh.
- 2200 mAh Lithium Polymer Grade A non-recycled battery
- Features USB output and a micro USB input
- Charges tablets, smartphones and mp3 players
- .8 amp output
- 2,200 mAh battery capacity fully charges an iPhone with about 8 hours talk time. What is mAh?