About this item 【High Performance】 LIGHTALENT Ni-MH rechargeable AA battery with built-in 800mAh capacity, can be used more than 800 times by recharging, longer lasting than NiCD batteries 【Charging Methods】 LIGHTALENT rechargeable Ni-MH AA batteries can be charged not only by solar battery lights but also by standard charging units.（Charger not included in the product） 【Widely used】Perfect for solar garden lights, landscape lights, lawn lights, etc. It can replace all disposable alkaline batteries for low power electronic products 【Safe and Reliable】LIGHTALENT batteries are very safe and reliable and contain no harmful metals. For transportation safety purpose, these batteries are only pre-charged with 30%power, so charge them before use for longer working 【Suggestion】Please use up the power each time, then recharge it or it will affect its capacity and lifetime. In addition, recharge the battery every 3 months can make its lifespan longer