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I've been doing some early testing with my 14s120p pack and the LV5048 and ran into something that has me scratching my head. The unit has been working fine in battery mode but the switching between modes isnt working as I would expect. The unit is configured as shown here: So I wanted...

I recently bought an MPP Solar LV 5048. It's hanging in the barn waiting for me to build my battery and hook up wires. Unfortunately, the manual is completely useless as far as explaining how the unit should be connected with the existing AC. I live in "Hurricane Alley" and also "Lightning...

I've got over 2000 tested usable cells and am getting ready to start building my 14s??p packs. All were capacity tested on Opus chargers at 1A. Before committing to a build method I decided to make a small 12V (4s20p) pack just to get a handle on spot welding, fuses, connectors, and getting a...

Just got a new MPP Solar LV 5048 split phase inverter / charger. I'm confused about their recommendations for cabling / fusing. The manual specifies that the cabling to the battery should by 1/0 AWG or 60mm2. But my math suggests 2AWG welding cable should safely handle this load (up to 5000W...

Uggh! I think I made a mistake with my Aliexpress order. These arrived todayafter a month on a slow boat. I thought I ordered 3A fuses, but they're only 0.5A. I'm building a 14s60p wall. Do you reckon these will blow when a 3000W inverter asks for all it can get?

Newbie here as far as sizing and spec'ing PV panels, but this is kinda my next step while I build my packs. I could use some help. I found these used 305W poly panels for $0.36 / watt just a couple of hours from me: https://sunelec.com/specs/solar-panels/CHSM-6612P-305.pdf Intended use is...

Here's my Everglades camp electrification project. I should start by saying I very much appreciate the knowledge and expertise that you all share in this forum. I'm learning a lot. In posting my own mistakes and successes I hope that someone else can benefit as I have by reading about your...

Have been lurking here for a couple of months scouring posts, learning what I can, and getting started scavenging 18650's. This forum is really a great resource. Lots of expertise and experience shared here. Pete's YouTube channel is what got me started with this obsession. Thanks a lot Pete...