Hi:) This is Panzisun,ce to meeting you,welcome to my store!!!! Upgrade 7.4V 3000Mah 2S Lipo Battery Part For WLtoys 124018 124019 1/12 RC Car Feature: 100% brand new and high quality.This is a 7.4V 3000Mah upgrade lipo battery is a replacement battery. It is light and easy to carry,you can easily take it to everywhere.Charging more convenient and fast. It can greatly save your working space. This Rechargeable battery is a Li-ion Battery and it is specially designed for powering the system device which use.Specially designed for Wltoys 124018 124019 1/12 RC Car. Specifications: Voltage: 7.4V Capacity:3000mAh Weight:130gSize:102x34x19mm Compatible with: Wltoys 124018 124019 1/12 RC Car Package Includes: 1 x Lipo battery