Battery not holding charge
The OEM battery is a lead acid battery which requires a check of the levels occasionally and adding distilled water. This can be done rather easily with a Flowrite battery system that can be purchased thru Amazon.
My chassis battery was replaced a couple of years back by turning the wheels all the way to the right and removing the cover over the wheel. Took a couple of people to do it this way but is do-able.
Hope this helps.
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