The HRB Graphene RC Lipo Battery is a brand new 4S 4000mAh 14.8V rechargeable battery designed for RC model vehicles. With a high discharge rate of 100C, this battery provides reliable power for extended periods, making it ideal for serious RC enthusiasts. The LiPo chemical composition ensures durability and long-lasting performance, while the compact size makes it suitable for a range of applications. Suitable for users aged 17 years and up, this HRB battery is a top choice for those looking to upgrade their RC vehicles for improved power and runtime.