The Nickel Cadmium Battery (Ni-Cd): Uses and History - TurboFuture
NiCd Battery Pack: CD-4/5 Sc 3.6V 1200mAh button top for Flashlight
ULTRALAST GREEN Dantona 4.8-Volt 800 mAh Ni-Cd battery for Simkar - 6600012 Emergency Lighting CUSTOM-43 - The Home Depot
Nickel–cadmium battery - Wikipedia
Amazon.com: (2-Pack) 4.8V 700mAh Ni-CD Battery Pack, AA700mAH Replacement for 1/18 RC Truck Car, Rock Off-Road, Four Wheels Race Car, SM-2P Plug with USB Charging Cable : Toys & Games
Amazon.com: HQRP Ni-Cd 1/2D 6V 2500mAh Rechargeable Battery Works with Maglite 201701/40070249 / ESR4EE3060 / ET2600D / ML5000 / N38AF008A Battery Replacement : Health & Household