God! First let me say that it's hard to trust any review at all because I swear some of them are sooooo completely opposite to others it's hard to know who is lying or if it's just an application bug or a defect in this product gives. Well, anyway. I work on a Yamaha Waverunner and was about to take out and replace the stator and I decided to check the battery first (although it was new), it only checked 46% charge and said it was at 12.17 volts. Normally I would say this battery is good at 12.17 volts but I had another battery that sat in the charger for about a month lol this is my backup battery in case I need it. I checked it and it said 12.85 volts. He also said he was 100% charged and his SOH was also 100%, I checked 3 times to make sure and everything came back exactly the same. Changed batteries and Boom! My charging system is working again. I just saved 2-3 hours of work for nothing. I have a jet ski rental business so this battery tester will get gold for me. THANK YOU!. And by the way I bought a brand new battery instead of backup because my CHARGER once said the backup was bad so I didn't want to risk using it when maybe it was bad but also didn't want to throw it away without next test lol .
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