Lead Acid Scooter Battery Charging
How often should lead acid scooter batteries be charged?
To maximize battery life recharge batteries immediately after every use.

I often receive calls from electric scooter owners that have been told to run their scooter batteries until fully discharged. I was told the same by a so called "Scooter engineer".
I have also been told these batteries have memory and can only be charged two hundred times.

FACT 12v lead acid batteries do not have memory so they are immune to memory effect ( this is a NiCd battery issue).

 We will use your car battery as an example.
 Scooter batteries are like miniature 12V car batteries.
 For some reason your car will not start. You grind away at the starter until the battery will no longer operate the starter. You leave it for an hour and return to find the battery will now operate the starter.
Why will the battery turn the starter now? The battery has charged itself through chemical reaction .

What did we learn in science class?
Newton's Third Law
For every action, there is an equal and opposite reaction.

We did not introduce a charge to the car battery so it charged itself through chemical action.
The reaction is deterioration of the battery's lead plates through oxidation.

When a charge is introduced to the battery using an alternator, generator or charger the degradation rate is much lower than allowing the battery to charge itself.