Re: OT Halfords Don't you just love 'em
> This is the scenario
> Few days ago we had a power cut - went on for quite a while so decided
> to use gas stove in camper van by the house to brew up.
> Some time later somebody -let's not play the blame game here- well OK
> it was SWMBO, returned kettle to van, but didn't quite close the
> sliding door properly. Result this morning one totally flat battery.
> Not to worry, get out Halfords Automatic Battery Charger, connect it
> up, switch it on and - nothing. Slight hum tells me power is on.
> There's a little orange light to tell you its charging and a little
> green light to tell you when its gone into maintenance mode. There's
> EVEN a little red light to tell you you've connected it the wrong way
> round - and blown the fuse. There's a switch to choose between normal
> battery and sealed battery and a switch for Bike or Other vehicle
> battery. What a clever charger.
> Dead as the proverbial dodo. Not a single light on. Perhaps it's gone
> to meet it's maker. Auxiliary battery is right next to vehicle
> battery, so quick check, and connect it to that - and yes it works.
> Little orange light on - charging - soon followed by little green
> light - maintenance mode.
> Back to vehicle battery - nothing. Get out meter, no voltage. Rig up
> as ammeter, no current. Get out test lamp. Connect "earth" lead to +
> on vehicle battery and point to + on Aux battery and light comes on.
> So vehicle battery is not high resistance/open circuit, so why the
> f*** won't it charge.
> Can't get other vehicle alongside to use jump leads, only way would be
> to tow out camper van onto road to get near it to use leads. Can't use
> aux battery to start - it would destroy it.
> Solution - put a jump lead from + on aux batt to + on vehicle batt to
> see what happens. Just touched for an instant and charger which was
> still connected, burst into life.
> WHAT F****** USE IS A BATTERY CHARGER THAT WON'T CHARGE A TOTALLY FLAT
It's the type of battery, most wet cells cannot be brought back from dead, they need a low voltage cut
off & if the charger/usage circuit doesnt have one they die screaming mate. I think (going back in time)
you need a switch mode charger for a very dead cell battery?
Again, an expert will prove me wrong!
Subaru WRX (Annabel)
Landrover 110 County Station Wagon (Tyson)
'"Say hello to my little friend"