8.4V 1600mAh Butterfly Replaces NIMH Battery Pack for H VFC HK416 CQB Rifle with Mini Tamiya Connector Airsoft Guns - AliExpress
Matrix High Output Small Type Airsoft NiMH Battery (Configuration: 9.6V / 1600mAh / Small Tamiya), Accessories & Parts, Batteries, NiMH / NiCd Batteries, Small Type - Evike.com Airsoft Superstore
6.6V 1600mAh Reedy LiFe TX/RX Battery
Valken 8.4V-9.6V NiMH Smart Charger for Airsoft or RC Batteries