Re: Can not start - Electric


Don Fearn wrote:
> I coulda sworn "Rob Kleinschmidt" <Rkleinsch1216128@xxxxxxx> typ'd:
>
> >
> >Ric@rdo wrote:
> >> Sealed MF lead acid batteries
> >> are notorious for suffering from 'memory effect', this is where the
> >> batteries state of charge when first used determines it's maximum
> >> rechargeable voltage. So if a sealed lead acid isn't put into service
> >> correctly, (filled, left to gas, fully charged etc.) then it will never
> >> achieve it's full capacity no matter how regularly it is charged.
> >
> >My understanding was that battery memory applied only to nicads,
> >not to lead acid.
>
> That's correct. Not only that, but the "memory effect" only applies to
> nicads under certain specific circumstances that rarely happen in
> regular use. Most often nicads die from overcharging, pure and simple.

If I remember correctly, battery memory resulted from a
repeating cycle of light discharges/recharges and was
cured by a deep discharge/recharge.

Solar and off-grid folks get very serious about their
battery maintenance, and I used to occasionally browse
Home Power and read some of this stuff.

.

Relevant Pages

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