Bluemoon Posted May 13, 2009 Share Posted May 13, 2009 I have a Numax CVX battery, which I use in the back of the Defender for the fridge and stuff, usually hemmed in by lots of gear, but last week the dog knock it on its side, smelt a bit of rotton eggs which the dog got the blame for, but now I think there must have been a slight leak, as the battery was flat for the first time ever at the weekend and the green indictor only shows if the battery is shaken. There are two small vents either side , should I try and top up( there are maintenance free) or do you think I'm on a losing battle. cheers Brian Quote Link to comment Share on other sites More sharing options...
plasticbadger Posted May 13, 2009 Share Posted May 13, 2009 They're supposed to be maintenance free,so topping up could lead to trouble. The actual top-up points are covered by the sticker on the top I think. I'd say bite the bullet and replace Quote Link to comment Share on other sites More sharing options...
Jon W Posted May 13, 2009 Share Posted May 13, 2009 I would also say, clamp the battery down securely. As if you have an accident then that will make rather a nasty mess of you or the dog. I certainly wouldn't want my dog around things which could spill acid onto it. Jon Quote Link to comment Share on other sites More sharing options...
Fatboy Posted May 13, 2009 Share Posted May 13, 2009 I bought a couple recently and a mate borrowed one to jump start his Rangie (regularly, while waiting for Land Rover to take car in under warranty ) Unfortunately it fell over and acid leaked over the boot liner and onto the carpet - which promptly rotted I'd guess that normally the battery looses electrolyte through evaporation thus the remaining fluid is stronger and adding water fills it up but also dilutes it back to its normal pH. If you've actually lost acid then topping up with water would dilute it until it is weaker than original. Quote Link to comment Share on other sites More sharing options...
plasticbadger Posted May 13, 2009 Share Posted May 13, 2009 My CVX has been the wrong way up a few times (while in my previous Discovery ) and has never leaked, so I'm suprised by this. Quote Link to comment Share on other sites More sharing options...
landmannnn Posted May 13, 2009 Share Posted May 13, 2009 Unless the case has cracked, pull the stickers off and top it up. Quote Link to comment Share on other sites More sharing options...
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