hardtop
New Member
I'm looking for help to build a DIY UPS for home that will also be an energy source while overlanding. A generator will be used to recharge the batteries while overlanding. I picked a JK BMS and LIFEPO4 batteries, but they didn't have a charger+inverter or wires for the BMS. For the inverter+charger, I need about 700 - 800 watts for the inverter and 20-25 amps for the charger in a pure sine wave for computer gear that is silly expensive.
I looked at the Victron site and every inverter+charger I picked turned out to only be sold for Europe, the MultiPlus 12/1200/50 and MultiPlus 12/1600/70. I'm attracted to their output specs at specific temperatures because I'll be in hot areas and will hit 40C repeatedly.
I also looked at Samlex and their lowest output inverter+charger and they don't discuss output at specific temps. The Samlex looks smaller and I like the look and shape of it better for my use case compared to the VIctron but I'm looking at the wrong Victron products. Samlex is saying I can adjust the charge amps so I would assume the Victron would offer the same feature or better.
How many amps will my generator need to output to charge the battery pack at 25A and which inverters+charger should I be looking at?
I looked at the Victron site and every inverter+charger I picked turned out to only be sold for Europe, the MultiPlus 12/1200/50 and MultiPlus 12/1600/70. I'm attracted to their output specs at specific temperatures because I'll be in hot areas and will hit 40C repeatedly.
I also looked at Samlex and their lowest output inverter+charger and they don't discuss output at specific temps. The Samlex looks smaller and I like the look and shape of it better for my use case compared to the VIctron but I'm looking at the wrong Victron products. Samlex is saying I can adjust the charge amps so I would assume the Victron would offer the same feature or better.
How many amps will my generator need to output to charge the battery pack at 25A and which inverters+charger should I be looking at?