@zl2tod@mastodon.online
@KrajciTom@universeodon.com
A float voltag of less than 13.8V seems to boil off fewer batteries. I usually run about 13.5. If the charger bulk charges to 13.8 and then switches to a lower float voltage I wouldn't worry. Give it a bulk charge before use.
There's a chance that one or more of the blue resistors set the voltage, they are high precision. R7 and R10 appear to have been running a bit hot. It may be worth checking their values.
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@KrajciTom@universeodon.com
@zl2tod@mastodon.online
I have used this charger many times. It pushes amps up until only 13.15VDC, then says charging is done, and holds things at that voltage.