I've seen plenty of installs and reviews here on the Redarc DC to DC chargers. Seems like many in this forum use the BCDC1250D. But, I was curious if anyone has used the National Luna NLDC-40. I searched mud and didn't find anything. I used the NL solenoid and controller for dual battery setups in two previous builds and it worked well. But, I like some of the features of these DC-DC chargers (support multiple battery types, full charge on secondary battery, solar output, etc.). One thing that I can't figure out is that the NL is a bit less powered at 40A vs Redarc's 50A model, but the NL is a lot more expensive ($850 vs. $497). Just wanted to see if anyone has used the NL one or if anyone more educated on DC-DC chargers might have some thoughts on differences between the two. Thanks.
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