SOHC.co.uk Forums > CB500/550

battery problem

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mickwinf:
hi all now i have a problem with a battery.It is new, and was ok until i left the ignition on for 2 days! I tried to recharge it with my optimizer charger but no joy, is there anything i can do or is it dead?

daz:
If it was totally discharged i think its a new battery for you. You tried the best thing with the optimizer, Daz

stidds:
I had this problem with one of my batteries and I took it along to a local car electricians and they put it on their 'industrial' battery booster which kick started it charging again.

matthewmosse:
I di this to my rebel. check the levels and top up as usual, on my rebel I was able to bump start it and the bike managed what the charger (optimate) could not- the optimate wouldn't even aknowledge the battery  was connected. I'm still running that battery now. As bump starting a cb550 is a bbit difficult with a dud battery or at least mine always was even on the kickstarter I'd try a cheap battery charger that just keeps pushing charge in rather than one of the clever ones as I've had luck with this way in the past with a

florence:
If it's quite new then total discharge shouldn't cause problems, unless the battery is faulty.  Is it under warranty? 

Normal car battery charger should sort it out, that's what I always use.

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