Amazon.co.jp: NASTIMA 8.4V NiMH 1300mAh Mini S Battery Tokyo Marui Next Generation Electric Gun Series, Electric Shotgun Series, Standard Type, High Cycle Custom Series Compatible Battery MP5 SD6/AKSTORM/MP5A5/MK46/AKS47/AK74MN/HK416C/SCAR-H/SCAR-L/CQC ...