Using high quality batteries such as this 11.1v LiPO battery from Elite Force provide long lasting reliability and longer gameplay than your average battery. The 900mAh cell size delivers much more power than standard batteries, while still maintaining that compact shape that AEG players love. The universal and overall small design of this battery allows it to be used in almost all crane stocks and handguards. Now with the Deans connector. Be confident you have what it takes to maximize your rifles potential with this 11.1v 900mAh LiPO battery from Umarex Elite Force.