Charge controller with dumb charger

[Tim C.]

I have a rich solar 12/24 volt charge controller. Could I plug into any 12 volt dc charging source to charge my lithium bank? I have a 12 volt lead acid dumb charger.

 

[12VoltInstalls]

Probably not. You need to have enough volts over the nominal voltage for the charging to begin.

 

[Rednecktek]

Usually you need about 5v over your charging voltage for the controllers to kick on. A LFP likes about 14v so if you can get a 20v supply to it then it should work, but less than that the controller is likely to sit there and keep waiting for that voltage threshold.

 

[Tim C.]

Thanks to all