Qumo Premium Power Bank [2600mAh] Chocolate Ultra-Portable External Battery Charger [Multi-Functional Compact Size Universal Power Bank] for Smart Phones and other Digital Devices Samsung Battery inside  we use Li-ion 18650 Samsung cell to provide you with the best quality on the market, it guaranties you that you new Choco power bank has the best cell inside. Real battery capacity 2600 mAh  it gives you up to 1 additional full charge of your Smartphone (Galaxy S6 up to 60%, iPhone 6s up to 200%) and will help you not to run out of energy. 1A output  it allows you to charge your phone up to twice (comparing to 0.5A output models) faster and gives you the opportunity to save time on charging your device. Auto output correction - it guaranties you, that your device would not be damaged by overvoltage or overload - our power bank will give your device as many ampere as it needs and will correct the output voltage and ampere in intelligent mode. Short circuit, overvoltage and overheat protection - our power banks have been protected from main risks on PCB level - it means that using of our products is safe both for user and for his device, just plug in and have fun