【Widely compatible】This 7.2V 4000mAh NiMH RC battery is widely compatible with 7.2v RC model car truck boat trugy helicopter helicopter plane buggy tank and monster truck. 【High quality material】Our RC car battery is made of high quality material. The flexible silicone cables are extremely heat-resistant and resilient for maximum performance and safety 【High performance RC car battery】This RC car battery is fast charging, no memory effect, long service life. Very reliable and durable 【Built in multiple protection】The RC battery Built-in multiple protections against overcharging, over-discharging, over-current, short circuit and internal overheating ensure safer use .