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Just decided to put the Landrover battery on charge as its nnear flat having not been run for a while and then only short trips with lights on. It's got 90ah on it whereas my good quality charger is only 50ah.
Is it likely to damage the battery or just not fully charge it?
any output will charge it it is just a question otf time
Is that not 50 charging amps per hour and the battery is rated at 90 amp hours?
Any link to the charger as 50 amp is a very small battery indeed- cannot think what would be that small and 50 amp charge is massive and garage levels of fast charge
quite possibly I was talking b********s.
Battery is this one http://compare.ebay.co.uk/like/150931712371?var=lv<yp=AllFixedPriceItemTypes&var=sbar&adtype=pla&crdt=0
with 95ah on it. Its a Varta G3
charger says 12vdc 5a 10-50ah
come to conclusion that the charger does 10 to 50 ah charge rate which makes sense and so all should be ok.
Battery charger means it will give a maximum of 5 amps per hour so it will just take longer as it is rated for batteries of 10-50 amphours
You would need a huge charger for 50 amps - for example
The amps means recommended battery size and the 5 amps the MAXIMUM output
Assuming it is not an intelligent charger you just need to make sure you are not boiling the battery
NB a battery is termed flat at 50% power so you need to only put in 45 amps- I doubt that gives 5 amp* for the whole charge so I guesstimate about 12-24 hours to charge
Really you need a voltmeter and other gubbins to be sure when the battery is charged
* 5 amp will be its maximum and it is probably down to about 1-3 very quickly tbh depending on how it works
Its not more or less dangerous than another charger it is just underrated for your needs and will therefore take time
IMHO and whatever cop out i need - charge in the open as the fumes from cooking are both dangerous to humans and explosive
Worth noting that like most things a prolonged slow charge is better than whapping a fast charge into it so youll find no bother with that charger, the garage fast charge chargers are fine for garages who dont really care cause if it screws yer batt they just sell you a new un.
aye fair point - i had a battery bank of 600 amps so it was useful for me - off grid 12 volt life and all that
It would boil a normal battery and I would not use for anything other than proper traction batteries and only then if they were really flat and for a couple of hours or so
Were you living on a boat or something ?
yes a boat with solar good in summer rubbish in winter] and wind [rubbish but canals tend to not be windy and there were trees nearby]but did have to use generators or alternators on occasions - Winter mainly as more power drain and less charge due to the cold. The batteries were massive 2 volt cells and I mean massive about 3 foot tall, 16 x 16 ish and weighed more than 25 kg!!