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How long to charge 9v nimh battery

Started by AK in sci.electronics.basics2 years ago 4 replies

I have a 9V 180 ma discharged Nimh battery that I am charging at 25ma. How long will it take to charge? Thanks, Andy

I have a 9V 180 ma discharged Nimh battery that I am charging at 25ma. How long will it take to charge? Thanks, Andy


Overcharging NiMh batteries?

Started by Bill Bowden in sci.electronics.basics9 years ago 3 replies

My neighbor has a solar powered outdoor decoration light that cycles through several colors but only runs for maybe an hour at night. It has a...

My neighbor has a solar powered outdoor decoration light that cycles through several colors but only runs for maybe an hour at night. It has a single 1200 mAh 1.2 volt rechargeable battery and a couple small solar cells to charge the battery. I measured the load current at 15 milliamps and the charge current at only 1.3 milliamps so it appears the solar array is not charging the battery ...