Feature: 1. Designed for Henglong: This RC lipo battery is specially designed for Henglong 3818, 3889, 3809 remote control tank, please check your model before purchase. 2. High Conversion: This RC 7.4V lipo battery features stable performance and accurate design that can realize maximum energy conversion high discharge performance. 3. 7000mAh 7.4V: This 7.4V 7000mAh RC lipo battery provides longer battery life and allows users to fully experience the fun brought by the toy 4. High Safety: This RC tank lipo battery has overcharge protection and short circuit protection to ensure the safety of the charging process. 5. Sturdy Shell: The shell of this 7000mAh 7.4V lipo battery is made of reliable materials, strong and stable, and has a long service life. Specification: Item Type: RC Lipo Battery Material: Li Polymer Battery Capacity: 7000mAh Lithium Battery Voltage: 7.4V. Package List: 1 x RC Lipo Battery