[SirPaulB]

Id like to get an answer about a type of battery i should use in my setup


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[john61ct]

Would be helpful if you posted the relevant details.

 

[SirPaulB]

I got 20Ah sla batteries for mobility scooters. My speed controller is 21Ah current limit. And i wonder if there arent too big for a 250w controller


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[SirPaulB]

I hear they recommend 12Ah


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[SirPaulB]

250w 24v motor and 250w 24v controller


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[john61ct]

What chemistry?

Vehicle type, weight, speed desired?

 

[SirPaulB]

Lead acid SLA batteries. Lightweight scooter diy made. No speed desired just wondering if it wont overheat or anything


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[Functional Artist]

It should be OK to use 20Ah in place of 12Ah batteries. 12V 12Ah battery compared to 12V 20AH is basically just a little bigger gas tank (so to speak)

If anything, you may be more likely to get motor a little hotter (due to longer run time)

I believe the 21A current limit you mentioned earlier is actually:

...the under voltage limit

...which means that your controller will shut down when your battery pack gets below 21V.

 

[SirPaulB]

Thank you!


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