Amazon.com: Tenergy NiMH Battery Pack 12V 2000mAh High Capacity Rechargeable Battery w/Bare Leads Replacement Battery Pack for DIY, Medical Equipments, LED Light Kit, RC Models, Portable 12V DC Devices and More :
10S1P 12v 2000mah Nimh Battery Pack / 12 Volt Nimh Battery for ECOVACS Cleaner
Makita 12V Ni-MH 2.6Ah Battery, Pod Style 193157-5 - The Home Depot
Matrix High Output Large Type Airsoft NiMH Battery (Configuration: 12V / 4500mAh / Large Tamiya), Accessories & Parts, Batteries, NiMH / NiCd Batteries, Large Type - Evike.com Airsoft Superstore