After an hour it is now going into Pulse charging mode when connected only to the offending battery. This is hopeful as the manual says:
"The mode is suitable for the charging/regeneration of empty, used and overcharged 12 V lead-acid batteries.
When the charger is connected to a battery and the charging process starts it automatically recognises the battery voltage. It will switch to pulse charging mode if the voltage is in the range of 7.5 V ± 0.5 V to 10.5 V ± 0.5 V.
This pulse charging process is continued until the battery voltage has increased to 10.5 V ± 0.5 V."
The multimeter is saying 8.61v so that's about right
Last edited by: smokie on Wed 5 Aug 20 at 09:21
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