These key ring power banks feature a slim design so that your clients can carry them with ease. Featuring a red LED light that is illuminated when your favorite device is charging to avoid any confusion. With an output of 5 volts and 1 amp, your customers will be pleased with how fast their devices charge. . 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 Grade A non-recycled battery
- USB output and included micro USB input
- Charges all your favorite devices
- 2,200 mAh battery capacity fully charges an iPhone with about 8 hours talk time. What is mAh?