YouCute 4pcs 3.7V 780mAh Battery and 1to6 Charger for syma X5c X5sc X5sw RC Quadcopter Drone Spare Parts Package included 4pcs 3.7V 780mAh Battery and 1to6 charger For syma X5c X5sc X5sw RC Drone Charging 6 batteries at the same time Over charge protection, Short circuit protection. Light in Green when charging,light off when charge complete