Feature: 1. RC Car Lithium Battery Charger Set: Convenient and efficient charging solution for WLtoys 1/28 RC Car K989/K989/284161/284131/284010. Includes a high capacity 400mah lithium battery and a compatible charger. No more worrying about battery life during your thrilling RC car races. 2. 400mAh Lithium Battery: Enjoy longer run times with the high capacity 400mah lithium battery. It provides ample power for extended play sessions without the need for frequent recharging. Experience uninterrupted fun for WLtoys RC Car K989. 3. 7.4V Lithium Battery: The 7.4V lithium battery delivers a consistent and reliable power supply to your 1/28 RC Car K989. It ensures optimal performance and allows you to push your RC car to its limits. Get ready for high speed racing and incredible stunts. 4. For 1/28 RC Car: This battery charger set is specially designed for the 1/28 RC Car K989. It provides a convenient and hassle free way to charge your lithium battery, ensuring you have a fully charged battery for every race. 5. 20C Discharge Rate Battery: The 20C discharge rate of the lithium battery allows for reliable and efficient power delivery. It ensures stable performance and prolongs the lifespan of the battery. Take your RC Car K989 to new heights with this high performance battery. Specification: Item Type: Lithium Battery Charger Set for WLtoys 1/28 RC Car K989 Capacity: 400mah Voltage: 7.4V Discharge Rate: 20C Output Plug: JST Compatibility: For WLTOYS 1/28 RC Car K969, K989, 284161, 284131, 284010. Package List: 2 x Batteries 1 x Charger 1 x Charging Cable