Recommended usable range Digital camera New polymer lithium rechargeable battery,no memory effect , low self-discharge,recycling 1000 times. microphone Intelligent detection IC by judging the input source to automatically allocate the best current for charging,charging faster and more secure,Your perfect choice. wireless mouse keyboard Strong endurance,1.5-3 times powerful than the Ni-MH battery,you can use it longer time than other battery. electrical toys and game machine Constant voltage output 1.5V,refused to 1.2V rechargeable battery,can replace the dry battery,nickel hydrogen nickel-cadmium battery,provide powerful enjoy for you. Our company Workshop and warehouse Our team Brand name : KENTLI Model : CHU4 Voltage input : 5V Current input : DC 4.2V Current output : 125-500mA Charging time:about 2-7 hours(depends on the input current) size : 96mm*65mm*20mm Cable length:220mm Weight : 45g Battery Type: Li-polymer Size: AA (14*H49mm) Voltage: 1.5v Nominal Capacity: 3000mWh Model Number: PH5/CHU4 Material: Lithium ion polymer Battery Rechargeable times: Up to 1000 times Recommended usable range : Digital camera , camera flash , microphone , voice recorders , wireless mouse keyboard , electric shaver , electric toothbrush , portable stereo equipment , electrical toys , game machine , etc . Attention: DO NOT dispose in fire or heat. DO NOT puncture,damage,and disassemble. DO NOT mix fresh batteries with used batteries. Attention : This charger only used to charge KENTLI AA size batteries(but not AAA size),don't use the charger to charge other types of batteries(such as Ni-MH batteries) Package include : 1*KENTLI CHU4 charger 4*KENTLI AA batteries