Some battery charges have protection circuits that may kick in if you are drawing down on the battery while the charger is running, as the load looks like a potential battery fault. Many chargers however are fine running a load at the same time. I would check your charger / solar controller documentation. There may even be option settings on the devices for this.
On Wed, 27 Sept 2023 at 22:16, Matt Foley <matt@sunlightconversions.com> wrote:
They are correct you can't! Not because it will damage the battery, it's just physically not possible. Energy is either flowing in or out.If the load is greater than the charging source, it will pull from the source(s) simultaneously. If the load is less than the charging source, it will power the load and charge the battery.
You are fine. Happy motoring.Matt FoleySunlight Conversions1-201-914-0466ABYC Certified MarineElectrical Technician
On Sep 27, 2023, at 4:50 PM, rholden@orcon.net.nz wrote:Hi All
Very fundamental beginner's question here.
I currently have a 160amp hour 48-volt closed cell battery bank running a thunderstruck 10KW motor and all works well. ( Looking forward to lithium in the future).
QUESTION: If I am charging the battery using solar panels - or in some cases a generator - can I run the motor at the same time?
There a several claims on Google search that you cannot charge and discharge a battery bank at the same time.
If you are running solar panels ( which I am about to install) - I can't imagine that you switch them off each time you want to run the motor.
Can someone please clarify if I can charge and discharge simultaneously, or will this damage the batteries or create other issues?
The expert help from this group is very much appreciated.
Richard
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