AN/PEQ-15 Battery Case. Capable to store a 11.1V 1300mAh 12C Lithium Battery (KA-BAT-19) or 1400mAh 9.6V / 10.8V battery. Will fit standard 20mm rail.
WARNING: LiPo batteries can be very dangerous if not handled properly. LiPo batteries should not be completely discharged otherwise the battery is rendered ineffective and recharging it can be dangerous. You MUST use a proper LiPo capable charger and a cell balancer to charge these batteries.
Use at your own risk.