On Sun, 18 Oct 2020 15:48:37 +0100, williamwright wrote:

That's another partial solution but unless regulary tested the
batteries get cooked by being on constant "trickle charge".

This is an oft-repeated fallacy. A half decent intelligent charger won't
do this.
snip
Obviously cheap chargers are a different kettle of fish entirely.

Perzackerly most kit doesn't have any thing approaching an
"intelligent charger". Constant current at some vague voltage if
you're lucky.

--
Cheers
Dave.