Looking after an SLA battery

Joined
30 Dec 2018
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Mobility scooter batteries in particular, plus leisure batteries...

What is the best way to get the longest working life out of them?

I have always been of the opinion, to use them, use as little of the capacity as possible then fully recharge them, and keep them fully charged. Every few weeks, if they have not been used, ensure they get a boost to a full charge. Leaving them partially charged, wrecks them. My batteries do last an awful long time..

Some say, even some claiming to be supposed experts, say use them until near flat, only then bother to recharge.
 
I think it may align to the 80 / 20 rule. Charge to 80% if being left unused for a while, discharge to 20% before recharge.
 

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