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For electrical devices that do not specify a torque setting, such as a Cooper-Bussman CB185, is there a standard torque that should be used for connections?

Hello. I'm prepping to mount my Newpowa solar panels on the roof of my Rockwood Mini-Lite. The trailer has a 1/4" lauan plywood deck, but no trusses. The only thing I have to screw into is plywood and it's not CDX roof decking but at least it's not the thin stuff used on interiors. My panels...

I just ran my inverter at max power (2KW) for about 20 minutes. Some of the terminal lugs are hotter than I expected. I may have some bad crimps. What range should I expect in terms of temp (F)?

I finally have something to show for my inane questions in the past months. I have yet to install this in the front outside cabinet of my trailer but it's substantially complete. The terminal lugs may seem uninsulated because the shrink-wrap is clear. The panels are not yet installed. Right now...

I searched for the answer. Perhaps my search skills are poor, but I found none. How close should 2 12V drop-in LFP batteries (same capacity) be in voltage before joining them in parallel?

I have a Black & Decker 12V cordless drill. By the battery voltage you can tell it's old, but it works well and the batteries are good. I have the original slow OEM charger which has a power brick. I want to hack it to use solar power for charging. I have another fast charger that plugs directly...

Are there conditions under which ring terminal lugs should be tinned vs bare copper? My project is in a travel trailer. Almost all connections will be protected from the weather. The wire used is standard welding cable, not tinned marine-grade wire. A couple of chassis ground connections will be...

Hello. I just received a Relay Control Slave module for an Epever Triron. It did not include the green 2-wire plug that goes in the relay socket. The likelihood of the seller providing it zero. Does anyone know where I can get one? It's the same green plug as is found on this temp sensor on...

I need to use ferrules for some of my cables because the fit into the lug is tight and the wires fray. I bought a cheap tool that has interchangeable dies for uninsulated ferrules, sizes 2-8. The results are horrible for ferrules. (It might work fine for other types of terminal ends.) The dies...

Please save me from myself. I've collected the parts for my solar system and will start building it this week. (I'm waiting for delivery of the batteries.) Newpowa 180W 12V monocrystalline panels (Datasheet) in 2S2P array EPEver Triron 4210N MPPT SCC (Manual) SOK Battery 12V 100A LFP battery...

Noob question: A solar charge controller should have battery power before connecting the solar power to avoid damage. Being the noob that I am, and both the batteries and the solar panels having separate cutoff switches, I'm likely to leave the solar panels on when I turn the batteries off. To...

Hello. I have a Renogy 2000W PSW Inverter. I also have an EPEver Triron SCC and will have a relay com slave (RCS) interface module. I plan to control the Renogy inverter with it. To use both the SCC LVD relay and the Renogy remote switch, they have to be in series. I'm not going to modify the...

I'm configuring my Newpowa 180W 12V panels in a 2S2P array for a max 720W of output, connected to an EPEver Triron 4210N SCC. Panel specs: Vmp 16.77, Imp 11.20, Voc 19.84 and Isc 11.75. SCC limits: max Voc 100V, max Isc 40A and max PV array power 1560W @ 12V. The SCC manual states that it...

As in the subject, I have an EPEver Triron (4210N) SCC. I bought it used and it includes the USB com slave option panel. I want a relay com slave panel so I can control an inverter while also monitoring the SCC. I've searched the web generally with no success but don't know of specific retailer...

Hello. I just ordered a pair of SOK 12V 100A LFP batteries to use in a 2P array. What tests do I need to run when I get them to be sure they're as good as I should expect? Other than a DVM, I don't have any testing equipment. I also don't have a Lithium-compatible charger. I intend to use my...

Can someone direct me to a primer on how to interpret specifications for FLA batteries, so I can determine how large of an inverter I can use, and other information? I have a pair of Duracell GC2 215A batteries from Sam's. I'm considering buying a second pair (the first are relatively new) to...

Battleborn 100Ah batteries are listed on their site at $949. That's supposedly a discount off $999. Renogy 100Ah batteries are listed on their site at $899. They've advertised a 15% sale from 11/9-11/16 (code CYBERWEEK) "site wide, no exclusions". If they don't increase the base price before...

Hello. I'm connecting 4 Newpowa 180W panels(1) in a 2S2P array to an EPEver Triron 4210N MPPT solar charge controller(2). The panels will be mounted flat on an RV roof and frequently shaded by trees. Initially, I will not have an inverter and my battery bank will be the pair of 215A 6V GC2...

Hello. I'm buying solar panels today on Amazon. I'm looking for 2-4 panels in the range of 600-800 W. My criteria for selection are $/W increasing and W/sf decreasing, and I consider customer reviews. The best price among those I'll consider is $0.89/W for 4 Newpowa monocrystalline 180W panels...

Hello. I'm a newbie and am accumulating material for a solar system on my travel trailer. I have an EPEver Triron 4215N MPPT controller, a QWork battery monitor, a cable entry plate with integrated MC4 connectors and 1' stub of 10AWG wire, plenty of 10AWG wire on a roll, and about 15' of 8AWG...

Hello. I bought a used EPEVer Triron 4210N controller. It's rated as 520W Max PV input power at 12V, which is what my battery bank is. (2 6V GC2s in series, having 215Ah capacity.) https://www.epsolarpv.com/upload/file/1909/EPEVER-Datasheet-TRIRON.pdf I have an opportunity to buy some 320W...

What information do you use to decide what size controller to use? I'm building a system for an RV. I'll start with only ~200 W to reduce the required generator time. Maybe it will be a suitcase? I'll expand that to ~400W, maybe up to 600W. If I do, it would involve upgrading the 2x6V FLA...

Can anyone provide a source (or design plans) for solar suitcase hardware? E.g., legs, hinges and suitcase locks? Alternatively, a ~200W mono suitcase w/o controller? Thanks

Will, the DIY Solar Blueprint link for a cheap price 400W system, which includes a 40A MPPT controller, goes to a page on Amazon with a 20A MPPT controller. https://amzn.to/2A9X7bx Results in: https://www.amazon.com/dp/B07CTKT56Y (I truncated it) Which is: Renogy 100 Watt 12 Volt...