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Quote: Originally posted by wineciccio on 13/12/2012

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I think the above is rather misleading, 12.7/12..8 and the battery is full, if it goes down to 12.5/12/6 its still full. the danger is when it starts to go down to 11.5 volts, in my hobby with a gel battery its gone down to 10.7 without any problems, and its fitted with a cut out to save the battery. 

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I don't think the information I provided is misleading at all. When a battery falls to 12.2 volts it's only half charged and at 11.9 volts is fully discharged so 11.5 volts as you mentioned would be absolutely duff. I believe in supplying the facts so have a look at the link below on the 'State of Charge' chart as this shows on a percentage scale exactly what charge is in the battery.

http://www.batterystuff.com/kb/articles/battery-articles/battery-basics.html#6

My vehicle battery goes down to 12.1/12.2ish (due to alarms etc.) and gets a recharge every 3 or 4 weeks (when not used).

When fully charged and rested it reads 12.5 maximum!

It's at least 5 years old and has only ever given slightly higher numbers.

My leisure battery never drops below 12.5!

I check every week or so when we don't travel.