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Leisure Battery not holding charge

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  • 17-11-2017 4:16pm
    #1
    Alkers
    Registered Users Posts: 6,837 ✭✭✭


    The stereo in my bongo was struggling to operate as of late and I suspected my leisure battery. I swapped the circuit over to the starter battery and all is well.

    I charged my leisture battery on an optimate 4 battery charger for about a week.

    Following this, the battery would only read 11.3V. The following day it had dropped to 10.5V and then two weeks later has slowly dropped to 10.45V.

    Is it dead or is there anything I can do to bring it back to life? :o


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    #2
    autumnalcore
    Registered Users Posts: 835 ✭✭✭autumnalcore


    Simona1986 wrote: »
    The stereo in my bongo was struggling to operate as of late and I suspected my leisure battery. I swapped the circuit over to the starter battery and all is well.

    I charged my leisture battery on an optimate 4 battery charger for about a week.

    Following this, the battery would only read 11.3V. The following day it had dropped to 10.5V and then two weeks later has slowly dropped to 10.45V.

    Is it dead or is there anything I can do to bring it back to life? :o

    Probably knackered did you check the electroylte level? If electroylyte levels are OK. Make sure the optimate 4 isn't in canbus mode and disconnect battery from the vehicle to make sure it runs the desulfation modes.


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    #3
    Alkers
    Registered Users Posts: 6,837 ✭✭✭Alkers


    autumnalcore wrote:
    Probably knackered did you check the electroylte level? If electroylyte levels are OK. Make sure the optimate 4 isn't in canbus mode and disconnect battery from the vehicle to make sure it runs the desulfation modes.

    Thanks for the reply. What's canbus mode? I use the optimate to keep my bike charged normally but I don't even think there's any settings on it? Battery was disconnected alright. I will check the levels tomorrow.


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    #4
    autumnalcore
    Registered Users Posts: 835 ✭✭✭autumnalcore


    Simona1986 wrote: »
    Thanks for the reply. What's canbus mode? I use the optimate to keep my bike charged normally but I don't even think there's any settings on it? Battery was disconnected alright. I will check the levels tomorrow.

    Check your optimate manual the newer optimates have a canbus mode that disables the higher voltages used in desulphation. i think you have to short the leads before you plug it in, then unshort them when its plugged in to change the mode, easy enough to accidentally change it.


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