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Operating fish finder using lithium battery
#47
My batteries showed same voltage but different capacity, charged both, then wired them together parallel to balance the discharged at dissimilar rates. Factory told me they would replace the one. I decided to drain the “bad” battery for return. I put a light bulb with about 9 amp draw watched the Bluetooth to monitor it is was slowing going down but when it hit about 50% and monitor said power would last several hours to drain it then crashed to ZERO CAPACITY 2 volts. So it was bad I’m sure, factory agreed. Got my new battery charged both, then wired parallel to balance overnight.
I have used them three trips all seems to be working and they are dropping at an equal amount. I have used for mostly steering from speed 2 to 5 for 2-3 hours a trip. Batteries are still at 65%. I’ll recharge after next trip. So far so good. Expecting credit for returned batter soon they should get it in next day or two. Then the warranty coverage will be complete.
time spent fishing isn't deducted from ones life
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RE: Operating fish finder using lithium battery - by Mildog - 06-19-2025, 12:47 PM

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