Solar trickle charger

[ShadowsPapa]

The $13 Fleabay charger should work fine with the goalzero panels. It will handle up to 30A of charge current and will auto select between 12V and 24V systems. It does that by sensing battery voltage but I have accidently fooled it by having it connected to a solar panel producing about 21v where it thought it was connected to a 24V system then when I connected the 12V battery it tried to charge it like it was a 24V battery getting up to about 15V before I noticed a problem. Lesson there is connect to battery first, then connect solar panel, that way it will sense the correct battery type then charge accordingly.

Thanks much for the info. That makes sense about connecting to battery first for it to sense.....

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