The King Arms AN/PEQ-15 Battery Case will fit on any standard 20mm accessory rail. A hollow housing made of polymer, it is both tough and light whilst looking good enough for all but the closest examination to pass itself off as a functioning module despite only being a battery case.
This model includes an 11.1V 1450mAh 15C rechargeable lithium battery contained inside the PEQ box. Charger not included, be sure to use a good quality balanced lithium polymer battery charger for safety and maximum battery life. Additionally, although not included, the Lithium Polymer battery can be removed and replaced by a special PEQ small type 9.6v or 10.8v 1400mAh NiCad battery. This model is available in a variety of different colors.