NiMH or Lithium?

Author	Message
Mixtel90 Guru Joined: 05/10/2019 Location: United Kingdom Posts: 4772	Posted: 09:26am 21 Mar 2023       A lot depends on installation conditions with batteries, particularly the temperature. Ordinary alkaline cells can make excellent backup supplies here in the UK as they are relatively cheap and will operate down to low temperatures, where some other chemistries start to lose their capacity.