Moving on to the rechargeable PP3 battery in the middle he finds the 8.4V unit is made up of seven 1.2V nickel-metal hydride cells. Many of them were shot, but we’d love to see one of the intact ...

These batteries were nickel metal hydride batteries (because of the technology ... The Discman [sjm] is working with uses a custom, Sony-branded battery based on NiMH technology with a capacity ...