perjantai 5. huhtikuuta 2013

Batteries and winter - self discharge..

Last time the batteries were charged to full was the 27th of January. Now that the power is back on in the yard I hooked the cables up and was anxious to know how much juice they will take.

In roughly two months time while having the temperatures varying from hell freezing over all the way to nice sunny spring days when the snow is starting to go my charger pumped 11,8 amp hours to the battery bank.

Nearly 2% of capasity, considering the boat has three times 220amp batteries. To me this tells that they are propably fine. There may be inaccuracies or that I did not get them totally full but still...

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