SE Battery Tester BT20 Unboxing and Review (HD)

It's well worth the $3 I paid.
The gauge is a bit off. I just wish they expand the yellow (low) meter. What it measures to be low should actually in the red (replace). Even so, I would still recommend the unit. It's easy to use and doesn't require any batteries to operate.

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battery tester se bt20 unboxing review