Rebuilding a 6v Power Wheels battery
We bought the “Fisher-Price Thomas & Friends ride-on Train” for our toddler and after some time the battery stopped charging. It uses a Power Wheels 6V 2400 mAh NiMH battery (Model No. 1102822518 / Part No. 3900-8218). Apparently this battery was fairly unique (and problematic) to this toy and has since been discontinued. I of course did not want to have to scrap an entire power wheels toy that worked just fine except for the battery. ...