Description: Reliable performance: 1 Section of charging AA can charge nickel -metal hydride batteries (9900 mAh), suitable for professional or daily use. Can be charged: up to 1000-1200 times can be charged, and the power loss is very small; it provides consistent discharge performance (a separate battery charger is required). High -capacity compatibility: It is suitable for any equipment using AA batteries, but it is most suitable for high -power or continuous power consumption items, such as game controllers and wireless devices. Easy to use and storage: use certified frustrated packaging and shipping; easy to open and store additional items for future use. Applicable to: mobile phone, TV remote control, watch radio, video game, smoke alarm, rope -free phone, electric toys, etc. Product name: rechargeable battery Material: battery Voltage: 3.7V Battery capacity: 9900 mAh Package Included:1x rechargeable battery Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you 2. Please allow 0.1-2cm measuring deviation due to manual measurement.