On Sat, 23 Dec 2006 22:09:31 -0000, "rigdent" <[EMAIL PROTECTED]> wrote:
>Our 9 month old domestic batteries are showing signs of being >completly wrecked. > >They have been on trickle charge for the last week and were showing >about 14.6V under charge. This dropped to 12.6 off charge but a >7Aoad dropped then to 11.7 ish in 3 minutes. This indictes that our >400Ah batteries have lost all but about 1 Ahr of capacity. Is this >credible or should I be looking for another explaination. >We suspect they havent been fully charged for a while as our >alternator had a fault. Would one deep discharge event (which may or >may not have happened) cause such a catastophic loss of capacity ? O >r should I be looking for somthing else ? wiring perhaps. > >If they have been damaged by a deep dishcharge is there any way of >reviving them ? or is that £400 down the drain ? What type of batteries are they? How long were they left at a discharged state? How many batteries in the house bank? You say 14.6v under charge did you leave them long enough to get to float ? Richard Nb "Pound Eater" Parkend G+S
