Autool bt760 battery system tester

Hello everyone. In today's video we gonna test 3 12v car batteries with Autool bt760.
3 old car batteries that one is in good condition, one in poor condition and one is damaged.
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/ kaptenraffe
If you want to send something to do tests, please contact me by email [e-mail]
Thanks

[@fachriaf8007]

There's clunky sound inside when it's shaked. Is it normal?

[@alioutraore1533]

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