G&G Full Metal M4 Carbine Airsoft AEG Rifle w/ LE Stock - Black (Package: Add 9.6 Butterfly Battery + Smart Charger), Airsoft Guns, Airsoft Electric Rifles - Evike.com Airsoft Superstore
8.4V Ni-MH 700mAh airsoft battery for M4, Scar, X95, and other Aisoft AEG's | eBay
Airsoft Batteries, Keenstone 9.6V 1600mAh Butterfly Nunchuck Stick Mini Battery Pack with Mini Tamiya Connector for Airsoft Guns ICS CA TM SRC JG G36 G&M733 etc - High Speed BBs
9.6v Nimh 1600mah Butterfly Mini Battery Pack With Mini Tamiya Connector For Airsoft Guns, Aeg #11423 - Rechargeable Batteries - AliExpress