Attention: Before purchasing, please pay attention to whether the battery size and plug are suitable for your RC device. Different toys have different battery compartments, and this battery comes with SM-4P plug. Please make sure to fully charge the battery before use; When the battery power is insufficient, please stop using it and charge it in time to avoid damaging the battery due to over discharge. ※ Application: This battery is suitable for DE36W DE65 NO.1809 RC Cars;Compatible with most RC vehicles, RC stunt vehicles, RC trucks, high-speed off-road vehicles, electric toy cars, Excavator, construction vehicle. ※Parameters: Battery Voltage: 7.4V; Capacity: 1000mAh; Discharge rate: 10C；Battery configuration: 2S；Dimensions: 56*51*14.5mm/2.21*2.01*0.56inch; Weight: 73g/2.57oz; Discharge Plug: SM-4P Plug; Charging Plug: SM-4P Plug. ※Charging indicator: When the charging cable is connected to the power and the battery is connected for charging, the red charging indicator light remains on; After being fully charged, the red light goes out. ※Package includes: 2X7.4V 1000mAh LiPo battery, 2XUSB Charging Cable，1X Exquisite Packaging Box，1X User Manual. We adhere to the principle of customer first, and you can contact customer service as soon as you have any questions. 1111