FeaturesCharge 1, 2, 3 or 4 AA or AAA batteries at a timeLEDs show which batteries are being chargedMicro USB cable includedWorldwide use with USB plug (not included)Reverse polarity, bad cell and short circuit protectionThe Infapower 4 Channel Universal USB Home Battery Charger can be used worldwide. It will charge 1, 2, 3 or 4 AA or AAA batteries at a time. LEDs show which batteries are being charged. Micro USB cable included.Features include Worldwide use with USB plug (not included), Reverse polarity, bad cell and short circuit protection. No batteries included. It will charge any brand of rechargeable batteries.Charging TimesAA 1300mAh: 8 HoursAA 2500mAh: 14 HoursAAA 650mAh: 10 HoursAAA 1000mAh: 15 Hours