Battery Problem
Submitted: Tuesday, May 12, 2009 at 20:01
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Rob & Shayne
We have had our van on 240 power for over 5mths and have now just "hit the road" again. The van is on 18mths old. We are having a problem with the battery's maintaining their power through the night, with the alarm going off and shutting the system OFF. Prior to this we NEVER had the batteries below 12.4v on the Solar Charge Regulator readings. And now they can charge to 14.1 during the day, and be at the 12.9 to 13 as night falls. The fridge is the only thing drawing power through the night, the batteries last till about 3am then go from 12.8 to turning off when the fridge comes on, we have had to turn the fridge off and the batteries then stay at about 12.7 -12.8 till the solar kicks in again. Has anyone else experienced this problem, would love some input if you have.
Reply By: Noosa Fox - Wednesday, May 13, 2009 at 07:57
Wednesday, May 13, 2009 at 07:57
It is normal for the batteries to be in the high 13's to 14 volts when they are receiving charge and then when the sun drops to be around the 13 volts. This will happen even when there is nothing drawing power as what you are seeing during charging is not the true float voltage.
They should then stay at the same voltage overnight if nothing is turned on.
You may have a faulty battery that is pulling the others down when load is applied, and it would probably be wise to go to an auto electrician or battery specialist to have each battery load tested seperately.
When you have professional test results, if one or more are faulty then you can call BTi and see what they are going to do about your warranty claim.
Brian
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