Lithium Iron Phosphate batteries are applied for AEG field, purely because its high safety. At present, a handful Li-Fe batteries for airsoft gun have been introduced to the market, such as 9.9V 20C 1100mAh and 9.9V 20C 1500mAh, configured in stick type and triplet type. Hopefully they can share some market from the traditional NiMH and the most popular LiPO batteries.