Aghhh! Enough AA and AAA batteries ALREADY
I've got battery gizmo this and battery gizmo that. Some I need to have portable. So I am ATTEMPTING to provide rechargeable LiION battery power to them. In 3.7 volt multiple (individual battery) incr...
Forum Discussion
Today's electronic gizmos are surprisingly tolerant of voltage variations. Anything designed for two AAs or AAAs in series would probably be fine with one 3.7 V one.
I have a neat little suitcase weigh scale that I use for weighing propane bottles. Unfortunately the batteries died. Two CR2032 calculator batteries - dollar store replacements don't work. I hooked it up to my variable power supply and noticed it works on the range 5 to 9 volts. And it is fine on a much used 9 volt battery that is down to 6 V no load. I can't find high quality CR2032 batteries in town so I think I will solder that 9 volt to the scale.
I have a neat little suitcase weigh scale that I use for weighing propane bottles. Unfortunately the batteries died. Two CR2032 calculator batteries - dollar store replacements don't work. I hooked it up to my variable power supply and noticed it works on the range 5 to 9 volts. And it is fine on a much used 9 volt battery that is down to 6 V no load. I can't find high quality CR2032 batteries in town so I think I will solder that 9 volt to the scale.
