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I have a 400W Proswian solar setup on my short bus. Works great except in winter, when I'd like to have a little more power available. Main components: 4X 100W panels 10AWG connector cables (less than 18' foot run) EPEVER 40A MPPT charge controller 3X Renogy 12V 100AH gel batteries Main...

It seems there are about a jillion (1 x 10^j) LiFePo battery brands out there these days, and there are some unusual brand names. My current favorite is Enjoybot, because it makes me GOL (giggle out loud) every time I see it.

I have a 3-year-old PowerTech-On PS1003 2000W/4000W 12/120V inverter. For the first year or so, the fans almost never came on, even when it was between 90 and 100F (32 to 38C) in the bus and I was drawing a few hundred watts from the inverter. For about a year now, the fans have been kicking in...

I just replaced 3 Renogy 12V/100AH batteries (RNG-BATT-GEL12-100) with a new LiFePo4. I live in a bus, and I don't have room to take them with me when I hit the road next week. They're about 3 years old with about 2.5 years of daily cycling, so they're kinda old, but they still take, hold, and...

I just replaced my SLA batteries with a LiFePo4 battery, a Li Time 12V 300AH. My current charge controller is an Epever Tracer 4210AN that's 3 years old and doesn't have a specific profile for lithium, although I think I have the "User" profile set up to work well enough with the new battery...

My bus-mounted system seems to be working since I installed the new battery about a week ago. The battery charged up, and I've been running a small load (computer running Epever software, light, and fan, >100W) with no problem. Even the low-temp disconnect worked last night. I just went out and...