Can batteries test "ok", but still be bad?
Let me begin by saying I have no knowledge/skills when it comes to all things mechanical, etc. This saga begins when I was parked for 5 mo season, and used a battery tender on the engine start batter...
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You don't specify but most Deltran Battery Tenders are only .75 to 1.25 amp output. If you have any load at all on the battery such as a radio, it will almost continually be charging.
