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Thanks everyone for your suggestions! Used the suggestion on checking wire gauge and that was it. Used the set that came with tester for 1st round of tests. So changed the wire to 10 gauge and redid test and passed with flying colors. Had 1189wh and 100.08ah= Great battery. Another lesson...

Hello and new to forum, Used makerhawk electronic load tester on 12v 100ah lifepo battery. End results are the same. My question- Is battery bad with 43ah and 510wh used