"Neon John" wrote in message
...

I have at least a dozen of these

https://www.northerntool.com/shop/to...2201_200332201

maintaining my motorcycle battery and a collection of AGM traction
batteries. These batteries are around 10 years old and still
measure
around 90% of rated capacity.

John
John DeArmond

How do you measure battery capacity?

Has it ever successfully restored a sulphated battery?

-jsw