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20 minutes of constant use and that's it.

It doesn't matter which battery (high performance or not) that I use with my Ryobi grinder, they all give me about 20minutes of constant use and that's it...

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3 Comments:

@jonathande15020 what is the exact model for your grinder? What battery models are you using?

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Can you please list the grinder model and the battery type and amp hours?

Thank you

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@jonathande15020,

How hot is the grinder motor getting?

If it is getting hot, does it run OK again, after you let it cool down?

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