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Three things prevent me from eliminating all alkalines: * smoke and CO detectors with low-battery voltage sensors calibrated to alkaline * some older electron

by bxparks 8mo ago

Three things prevent me from eliminating all alkalines: * smoke and CO detectors with low-battery voltage sensors calibrated to alkaline * some older electronics (e.g. multimeters) using 9V batteries * my non-contact voltage tester refuses to turn on using NiMH, for safety reasons presumably

rini17 8mo ago
There are 9V NiMHs, too. They just need dedicated charger.
- bxparks 8mo ago
  Yeah, most of the devices using 9V are smoke/CO detectors which only accept alkalines. I don't use the few remaining 9V devices enough to justify buying a new charger.