1. Type:Ni-mh aaa 500 mah 1.2v 2. voltage: 1.2Volt 3.Capacity: 500 mAh 4. Charging type :aaa 500 mah Rechargeable batteries 5.AAA size :Height: 4.5 mm(1.73 inch) x Diameter: 10 mm (0.39inch) 6. Nickel-metal hydride (Ni-MH) aaa 500 mah 1.2 Volt solar cells with excellent low-temperature performance,widely used outdoor solar light battery,can be used longer in high discharge devices 7.Low Self Discharge:batteries Triple a bulk maintain 80% of capacity after 36 months of non-use,aaa is unlike alkaline one. These ni-mh 3a batteries are reusable 8.Leak-Free Design:16 count aaa solar batteries ,adopt high-quality and special protective technology components which can locks in power for safey use in device 10.Rechargeable::Suggested charging solution Installation of solar light for charging under the sun or adapted charger for charging,Please use up the power each time, then recharge it or it will affect its capacity and lifetime 11.Wide Use:ni-mh aaa 500 mah 1.2Volt rechargeable battery for Solar Pathway Lights, Outdoor Solar Lights and universal household devices,battery string lights,toys,TV remote,flashlight,wireless mouses,portable audio players, game controllers 12.Easy to install, easy to operate, ready to use, is very safe and reliable low-voltage 1.2v rechargeable replacement batteries 13.Please pay attention:The size is AAA not AA ,you can tell the different size from the picture 14.Package includes: 16x solar rechargeable aaa 500 mah ni-mh 1.2v batteries?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. Easy to use: received the goods out of the box, easy to use, convenient and simple charging, can use the standard 1.2V charger or placed inside the solar lamp using solar charging. Multi-purpose: Suitable for solar landscape lights, path lights, garden lights, solar string lights, also suitable for toys, TV remote controls, wireless mice, keyboards and other low-power electronic products. AAA Size:1.75inch *0.38inch;Included:16 x 1.2v Triple A 500mah ni-mh rechargeable aaa solar batteries for outdoor lights,Designed especially for solar lights,It can be charged by solar energy and can be fully charged again in 5-8 hours in good weather. Environment of use:aaa Rechargeable NiMH Triple A 500mah batteries is better high-temperature performance than other types of batteries, can be used from -4? to 140?, and can be charged from the sun even in the snow. Multiple cycles:Triple A battery 500mah Mercury/Cadmium/Lead free. Rechargeable 3a battery replaces 2100 alkaline batteries,can be used more than 1200 times by recharging. High performance:Built-in 500 mAh high-capacity Ni-MH rechargeable AAA battery with foaming technology for high efficiency discharge.