Quote:
Originally Posted by jorluivil
But how would the size of the fuse affect it's ability to charge?
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Let's say your charger is a CC/CV charger which charges at 4A up to 11.9V then holds the voltage at 12.0V until the current reaches 100mA. You may not have been discharging the battery low enough for it to require it to need to go to the CC portion of the charge cycle.
See a typical CC/CV charge cycle below. My theory is that you were formerly working in the I2 region during normal day to day use with you old fish finder. In your case I1>3A>I2
