SOHC.co.uk Forums > CB350/400
400/4 Battery not charging
Moorey:
What kind of battery is it. If your battery has been deeply discharged several times it could well be knackered now. Remove it from the bike and fully charge it. Remove charger and leave it to stand for a couple of hours to settle out. Then check voltage. Leave it to stand for at least a further 24hrs and check again the battery voltage. It should be between 12.7 to 12.5 this is for lead acid and gel type. Batteries can collapse inside and take on any charge given but not store it and at the same time will cause low voltage readings at the posts when checking with the engine running. Also decent voltage readings alone do not always mean a healthy charging circuit as you can have good volts but may only be getting milliamps to the battery.
THUNDERDOWNUNDER:
Thanks BryanJ I will give it a go latter today if I can get a chance . I will be away for the next week so will get back to you as soon as . Rob .
Bryanj:
No problem, i work nights so you get answers at odd times! Easier to give you 1 test at a time even though it will take longer
THUNDERDOWNUNDER:
Great stuff thanks for the help !
THUNDERDOWNUNDER:
Back now . Tested as recommended . Wires off regulator . ignition on . test came out at 0.07 volts Battery was 13.10 volts . That was testing black wire only Black wire from multimeter to black wire from regulator and red wire from multimeter .
to positive on battery .
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