NiMh AA cells have 1800-2500 mAhr of energy nowadays, 9V batteries more
like 150 mAhr or maybe a little more. Not a good choice to run motors,
unless the job only needs to go for 15-minutes or so.
NiMh AA cells have 1800-2500 mAhr of energy nowadays, 9V batteries more
like 150 mAhr or maybe a little more. Not a good choice to run motors,
unless the job only needs to go for 15-minutes or so.