4pcs GoolRC 3.7V 500mah 25C Li-po Battery with 4 in 1 USB Battery Charger for GoolRC T37 JJR/C H37 Drone Quadcopter

Features:3.7V 500mAh lipo battery; enough capacity and safe to use.Easy to plug in and take out.High quality and portable to carry.4 in 1 battery charger saves a lot of charging time.Over charge for protection for every charging port.Charging indicator tells the charging status of every pieces.Compatible with GoolRC T37 JJR/C H37 RC quadcopter.