I was at a battery wholesaler last week, some very interesting information is labled in their 'Usage Instructions' booklet on their Varta Hobby (deep cycle) range batteries, some was news to me, it may be to you too?
A battery with a 50% charge will not freeze, while a fully discharged battery may, a fully charged battery can take as much a minus 70c without freezing.
When a battery reads 12.3volts or lower it needs charging, a battery with less than 12.6 volts should not be installed.
When removing a battery, take off the negative wire first and when refitting a battery, fit the positive wire before the negative wire.
Batteries should charge around 14.4 volts ( all my life I thought it was 13.8 volts)
Jump Starting with cables,the two batteries should be of a similar size.
A Varta 'Hobby' Deep Cycle battery,note the terminals can be round posts or threaded.
Roy
Note, five years later and these batteries are still charging to 14.33 volts!
Either the 60 watt solar panel or the Aerogen 4 are the only charging systems unless the Perkins 4108 diesel engine is running.
A battery with a 50% charge will not freeze, while a fully discharged battery may, a fully charged battery can take as much a minus 70c without freezing.
When a battery reads 12.3volts or lower it needs charging, a battery with less than 12.6 volts should not be installed.
When removing a battery, take off the negative wire first and when refitting a battery, fit the positive wire before the negative wire.
Batteries should charge around 14.4 volts ( all my life I thought it was 13.8 volts)
Jump Starting with cables,the two batteries should be of a similar size.
A Varta 'Hobby' Deep Cycle battery,note the terminals can be round posts or threaded.Note, five years later and these batteries are still charging to 14.33 volts!
Either the 60 watt solar panel or the Aerogen 4 are the only charging systems unless the Perkins 4108 diesel engine is running.
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