Ultra compact and light.Easy to use.Recharge 2 pieces of AA/AAA Ni-MH rechargeable batteries via laptop/PC or any power supplies with an USB outlet.As an emergency charger - power up your digital devices by 2 AA/AAA Ni-MH rechargeable batteries or 2 AA/AAA Alkaline batteries. Dual color indicator. Includes charging tips for Nokia, Sony Ericsson, Samsung, LG and Motorola.Recharge your 2 AA or AAA Ni-MH rechargeable batteries via an USB outlet.Power up your digital devices with 2 AA or AAA batteries. Charging Time Size Charging Current Ni-MHCharging Time AA 180mA2100mAh12 hours AA 180mA2300mAh 13 hours AA 180mA2500mAh 14 hours AAA 180mA800mAh 5 hours AAA 180mA1000mAh6 hoursSpecifications:Input5V DC 500mA (via an USB outlet)Output5V DC 300mA (USB outlet)Charging current for AA/AAA Ni-MH batteries180mA Download product manual here. All brand names are registered trademarks of their respective owners. *Free Shipping Promotion only applies to domestic US addresses.