Absorption time? I have two Renogy 48-volt smart lithium iron phosphate batteries in parallel I used them for about a year without charging to 100% not realizing that they needed to be balanced or how to balance them I currently set my Bulk to charge 100% and my absorption time 2 hours to help...
I've been welding with a Transformer base welder 120-volt Flux core Hobart welder on my solar and it works great on mine. Still, I wanted something more efficient so I went with the esab Rebel inverter Style welder. It also has a power factor correction so it's supposed to be very efficient...