Tenergy's 2 pack 12v made of features a 2000mAh capacity rating. These 12V RC battery packs are compatible with most hobby units such as light weight RC planes (Wattage, Hightec, JR and Futaba) and RC cars. Dimensions: 50x29x72mm with bare leads. No memory effect which helps retain its max energy capacity despite recharges and discharges. 12V NiMH hobby battery pack features rapid charging, long cycle life, and compatibility with the Tenergy 6V-12V RC battery charger. NOTE: A recharging rate of 1A maximum is recommended for best results. Tenergy's NiMH battery packs includes friendly customer support based in California Tenergy's 12V 2000mAh Nickle metal hydride battery pack is compatible with a wide range of DIY applications such as remote controlled electronics. The bare leads can be paired with connectors that matches the required application of your devices. Ensure this battery fits in your DIY application by comparing the dimension and weight, which is: Approx. 9 oz / 255g and measures 2.89"x2.11"x1.20" / 73.5x53.5x30.5mm (LxWxT)