About this item 【7.4V 3800mAh Lipo Batteries Specification】Voltage: 7.4V; Capacity: 3800 mAh; Discharge rate: 30C; Discharge connector: Deans T connector. Lipo battery is made of lithium polymer material, durable and reusable. 【RC battery parameter】7.4V 3800mAh Lipo battery dimensions (± 2mm): 90*38*20mm. 【RC battery application】Designed for Wltoys 144001/144010/124017/124019/124018/12428 Eachine Eat 14 RC Car batteries. 【Quick Charge】The battery has long-lasting and powerful energy, discharges high voltage instantly, has a long service life. .