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Hi, I'm a solar power newbie and I'm trying to set up a small system to power grow lamps in my greenhouse. The system is powered by a 12V 30Ah LifePo4 battery, charged by a Renogy 100W 12V solar panel, both connected by MCB's to an Easun MPPT 6048 60 amp solar charge controller. The load is a...

Many thanks for very prompt reply. I understand that the load on the battery would drain it in 10 hours but what I don't understand is why the grow lamps come on at full power as soon as I isolate the PV panel in the morning after going off during the night. This surely indicates that the...

Ah, OK that makes sense. Can I change a preset voltage on the charge controller to stop this happening? I attach the voltage settings I have in the charge controller now (except that SYS Volt is 12 not 24). I don't know what the different voltage settings mean but I know they can be changed. Thanks

Thanks for this info. It’s beginning to make sense to me now. My battery measured 13.3V when I got it but it may not have been fully charged. This morning after not charging or applying a load at all yesterday it measured 12.68V which would equate to an SoC of only about 15% based on your table...