SOHC.co.uk Forums > CB500/550

new battery

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MIKE550/4:
hi all

more advice needed about this battery, i have tried in vain to rejuvenate this battery and its stone dead, so bought a new one from ds

heres my question it comes as pack ie container with battery acid and the battery,

so my questions how do you get the acid from clear container into battery

second it says in instructions fill with battery acid, do they mean up to max level ?


lastly instructions say charge for 12 hours @ half amp/hour only... cant get my head round what that means?

charger i have is an optimate

any one help before i have to ring ds

thanks  mike

kaceyk2:
HYa Bro, If you haven't got a very small funnel, nip to the chemists and get the biggest syringe, a vets is better as they have larger ones! (OW)  dead cheap....
Fill anywhere inbetween min and max is fine, leave overnight and top up to max .
You dont want to overfill.

K2-K6:
The acid usually comes in a bottle with small plastic tube that fits to top and you can squeeze it into cells easily, probably deleted due to cost but made it easy as you can suck some back out if too full. You can get plastic bottles like this from chemy-lab suppliers.

With the old battery the only way I've found that worked was to empty the battery and wash it out with water, let it dry and refil with new acid, finally try a charge. This was only done to one that would be discarded anyway.

If the plates have swollen and touched each other then it's usually completely u.s.

z1100r:
Well normally, the acid is in adjoining bottles the necks of which line up with the battery filler holes. On most you just tip the acid pack upside down and insert into battery fillers all in one go and push down. Theres a spike inside that pierces the foil lids and the acid slowly empties into each cell.

Thats how they are supposed to be...however I did have a cheapo once that came with a single round bottle and some sort of syphon squeezy bottle. That was bloody messy.

MIKE550/4:
interesting , does this tube connect to top of squeegee bottle and the little red cap you can see to left of battery

the cap pulls off

http://www.davidsilverspares.co.uk/graphics/parts/PBAT%20CB12AA_large.jpg

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