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I am setting up two battery banks for split phase 240 volt operation with four Multiplus 24/3000/120. Each bank will have four 24volt 304ah batteries in u27 server racks, 200amp breakers on each battery with 1/0 DLO cable all same length to class t fuses into a victron power in. Each server...

Have a good day, beautiful one here in the north west. Waiting in the San Juan Island ferry line to get to Orcas Island and my work today, laying in my bed in the back of my truck with a nice view of Mount Baker.

What is up with the opening for the D/C cables? It doesn’t line up with the terminals and is too small for 4/0, I had to cut the case. Also all the control connections are under the cables? Even if I had room on my buss bar for two 2/0 you can’t get two on the negative terminal with the way the...

There is someone fairly local selling these panels new for about .42c per watt for a purchase of ten or more, are these decent panels for the money?

I need help with designing a back up system, the plan is for it to be mobile and have a battery module or two and an inverter/solar module. The goal is a reliable quality system that can be broken down and moved to remote job sites by two people. The plan is to use Victron products. Primary...

A forum member ask me to post about an air to water heat pump installation I completed recently. I installed the radiant floor heating system about 20 years ago and the customer just installed Solar and wanted to get away from propane fuel. The old boiler is staying intact to heat domestic...

I am installing a 12/3000/120 Multiplus and need guidance for the conductor size between the ground lug and negative buss bar, I have 4/0 DLO to the multiplus, do I need the same size conductor incase of a direct short to the multiplus case?

I just purchased a victron Multiplus 12/3000 120 -50, once installed it will be tough for me to get a computer hooked up to it for programming. My question is do you have all of the adjustments available via the VE buss Smart Dongle that you do on a computer via the MK3-USB interface. I have...

I have a mobile system in my work vehicle that is using a Redarc 50 amp dc/dc charger, it works good except it’s charge profile is set to 14.5v and my two 12v 280ah battery packs with Daly 200amp BMS are tripping on high cell voltage. The cells are great until they hit 3.5 and then I will get...

Are these ok panels for the price? I am doing a small off grid system.

I am putting together multiple 12v 280ah batteries with EVE LF280N cells, I am top balancing and running them through a few charge cycles to test them. They are going to be stored for a while, are there any advantages to removing the buss bars and store the cells isolated, parallel them or leave...

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I have four Trojan 6 volt T-105s for sale with two NOCO dual battery boxes. These were purchased new in 2020 and used to power a 12v refrigerator and 300 watt inverter for a little over a year, lightly used. I paid $640.00 plus tax for the batteries and $300.00 plus tax for the two boxes. I am...

Are there any issues with new cells getting below freezing, these are new and not top balanced or assembled yet. The last set of cells I received were 3.29volts and about 40% charged when delivered.

Well it looks like my battery heaters in the back of my truck are going to get a workout this coming week. They are 25 watt silicone pads between thin aluminum and a computer fan for circulation on each battery. I can add another 25 watt silicone pad to each battery if needed.

I am starting to look for panels for a 12 volt backup system, they will be charging four 12 volt 280ah LifeP04 batteries and I will be adding four more so eventually eight. This is being installed on a detached garage about 50’ from the house. I am limited for panel space, I have room for one...

I found one post regarding this issue, I downloaded the sinowealth software and drivers to try and adjust the parameter called Dfittercurr but can’t get the connection to the computer to work, it says port open but will not read the battery and there is a spot left bottom corner of screen that...