Despite its small size it still packs 1300mAh. It fits into most types of stock tubes and it suited for some types of Airsoft rifles that has the battery compartment located in the upper receiver.

The biggest reasons to use a Li-Po is its smaller size and better power efficiency. Most Li-Po batteries are about the same size as a mini-type battery and is equal in power to a large type NiMH battery. No need for battery slings, battery boxes, or big batteries strapped on to guns. Li-Po is a power source for small carbines, PDW's, SMG's, etc. that doesn't require you to spoil the look of the gun, or run the risk of running out of power in the middle of a battle.
Unlike traditional batteries, Li-Po gives a stable Rate of Fire, Through-out its use. Also, it is not necessary to discharge Li-Po batteries before charging them, allowing the battery to be charged in-between games.

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