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3D3DNi-Cad battery.
A common nickel-cadmium battery. These have fallen out of favor due to the toxied nature of cadmium. Nickel metal hydride and lithium ion batteries are pretty much better in all ways..
Source: eBay
Contributor: Theodore Gray
Acquired: 11 March, 2009
Text Updated: 12 March, 2009
Price: $5
Size: 2"
Composition: NiCdMn