Features: ??Battery Specification??: Our battery volt is 4.8V, battery capacity is 2400mAh, SM-2P black 2 pin, please compare the Cell Size with your original old battery pack, make sure your device battery is same plug and same size and same voltage ??High Performance??: 4 AA NiMH Battery pack can be rapidly charged so that you spend more time with your hobbies. The long run time makes this an ideal hobby battery pack for better longevity ??Rechargeable Design??: Our battery kit are equipped with a USB charger with Indicate Light, your battery can be charged at any time without fully discharging, providing you with longer use time and higher cost performance .