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z Echo1 M4A1 Carbine Airsoft AEG Rifle (New STAG Arms Licensed Version)
by hendrix K. Date Added: July 24, 2008
There is no such thing as "input" or "output" battery.

The gun come with a small type 1100mah 8.4V. It will fit most small type and nun-chuck type.

The biggest battery that can fit right into the gun is the matrix 9.6V 2300mah nun chuck. (Without going external PEQ or pouch).

I recommend getting a 9.6V battery and use the free 8.4V as back up. Get the 2300mah!

Rating: 5 of 5 Stars! [5 of 5 Stars!]
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