FPVERA 2PCS 37v 750mah 25c Lipo Battery JST Connector with USB Charger for FPV Quadcopter X400 X300C X800 X500 HJ818H J819S RC Racing Drone

This 3.7V 750mAh Lipo battery is a replacement battery. Voltage: 3.7V Capacity: 750mAh Continuous discharge rate:25C Size:45*25*9.8mm Weight:20g Caution: Charge the Li-Po battery with a Li-Po battery charger only Charge the Li-Po battery on a heat resistant surface along nspect the Li-Po battery before charging and operating Do not allow Li-Po cells to overheat at any time Do not over discharge the Li-Po battery When the battery storage, voltage in a 3.8 -3.95 V is the best Package Including 2 * 3.7V 750 Lipo Battery 1 * USB Cable