Rated Voltage: 1.2V:Real Capacity:800mAh;Dimensions: AA Size(14.2*50 mm),low self-discharge batteries,confirm the battery size before purchasing and please make sure your device is suitable for AA 1.2v batteries Batteries are widely used in household,for example toys, remote controls,flashlights,alarm-clock,Shavers,calculator,mouse,Keyboard,solar lights and other devices that need AA battery AA 800 Batteries Rechargeable Uses the power of sunlight to recharge; easy to install (Remember to Keep your solar light switch on) Package included:12x NiMH AA800mAh 1.2V rechargeable batteries,designed specifically to power outdoor solar lights The 1.2V AA nimh battery use best cell and strict quality control can keep stable and reliable performance in a wide temperature rang from -4 to 140 For transportation safety, these batteries are only pre-charged to 30%.Not a quality problem if you get batteries with no power. So please fully charge first before use.Beside, recharge them every 3