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My 2 kW diesel heater is giving me an E-2 error. The manual says that this is a battery supply voltage error. My heater will not start, and it will not prime either. When I try to either start or prime it, the screen flashes P04V. I'm assuming that this means that the controller thinks that...

Hi! This is my first post on the forum, looking forward to interacting with y'all. I'm currently designing a 24V LiFePO4 system for my van. It will be my first system. My question in this post is about the design of the DC loads. So from my positive busbar will come my 24V DC line. From this...

I bought 8 BYD 100 AH cells from them on 1/31. As of 2/9, they still haven't shipped. I specifically bought them as they were listed in US stock and able to ship out at a "maximum of 7 days" after ordering. I've been in touch with Howard via e-mail. He told me their US warehouse is...

Hello all, I've mostly finished designing my camper van solar system and would appreciate some feedback. See the attached schematic and legend. This is my first build. Any general feedback over any topic is welcome. I have a few specific questions as well: 1. Will the Epever 20A max...

I've been going through some different panel configurations for my vanbuild. See the attached drawings of configs 1, 2, & 3. Config 1 - All four panels in series. Produces 112 V, 5.32 A into the charge controller. 0.12% voltage drop. Config 2 - Panels 3 & 4 in series, then 1 + 2 + 3/4 in...