NiMh 8.4V rechargeable battery large type with seven 2 / 3A cells, capacity 1800mAh from manufacturer VB Power, suitable for most AEG electrical replicas.
Traxxas Power Cell 7-Cell Stick NiMH Battery Pack w/iD Connector (8.4V/3000mAh) [TRA2923X] - HobbyTown
VB-Power 8.4V NiMH Large Battery for Electric AEG - 3300 mAh
Airsoft battery NiMH 8.4V 1800mAh Tamiya Large Type
VB Power 8.4V 1600mAh Universal Type (2024) - Airsoftzone
Tenergy Airsoft Battery 8.4V 3800mAh NiMH Flat Battery Packs 2pc w/Standard Tamiya Connector + 6V-12V Universal Battery Charger for NiMH/NiCd Battery Packs for Airsoft Guns, RC Hobbies : Sports & Outdoors
7.4V 1800mAh 30C/60C LiPO Airsoft Battery Vapex
8.4V 3600mAh Ni-MH Replacement RC Battery with Tamiya Discharge Connector for RC toys Racing Cars Boat Aircraft RC Toys Tank Car
2Pack 8.4V 1600mAh 2/3A NiMH Battery with Mini Tamiya connector For Airsoft Guns Cyma AK47 AEG'S rosman Pulse R76
Airsoft battery NiMH 9,6V 1100mAh small Tamiya