Amazon.com: Synergy Digital Replacement Battery, Works with GP 40AAAM4SMX Replacement, (Ni-MH, 4.8V, 400 mAh) Ultra Hi-Capacity Battery : Electronics
Ni-CD AA 400mAh 4.8V Ni-CD Battery Pack Replacement for Emergency / Exit Light | eBay
Source Factory price 4.8V 2/3AAA 400mAh NIMH Rechargeable battery for Dogtra collars Transmitter 175NCP,200NCP, 202NCP on m.alibaba.com
NiCAD Batteries | B23AA-48 | Exit Light Co.
4.8v Aa 4.8v 400mah Ni-cd Rechargeable Battery Pack For Huanqi 508 611 605 550 Remote Control Car On The 5th Aa Batteries Nicd - Parts & Accs - AliExpress
4.8v 400mAh Ni-CD Rechargeable Battery Pack Replacement for Exit Sign – XML Battery