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Mostly for more storage, but also because I can use smaller BMS (like 100A for each battery bank instead of 200A). Most likely I will not exceed 2400W either way so I think it will be pretty safe even if one battery bank fails. If connecting to busbars, I need both positive and negative wires...

Yes, Im using 3 wire shore plug (its usually 16 amps in Europe). About N-E (or N and G) bonding - I think you misunderstood me. I'm not bonding N-E at RV panel. I'm only bonding it at inverter (as it doesn't do that internally). Then I'm passing inverter's EARTH (which is again, bonded to...

Can I connect lead acid and AGM batteries in series (both 12V) to make 24V just temporary for testing inverter? I still do not have proper 24V battery bank but I want to test out inverter.

Could you explain shorepower panel? Are you referring about shore power coming from campsite should be NOT N/G bonded OR that bond should not be made in #1 breaker box (referring to breaker box in wiring diagram). Because it's not, as per my wiring diagram. So it goes back to the transfer...

Anyone?

Your answers are really helpful, thank you for helping me understand all of this. I'm using 220V 4 Pole 2 NO + 2 NC contactor as automatic transfer switch: And it doesn't have require to connect earth. Furthermore, I have few more questions regarding AC wiring: 1. Is RCD / GFCI in breaker box...

My plan is to buy 4x 10cm x 5cm 48V heater pads and use them under the alluminium sheet to heat the 24V battery bank during cold weather. Does my calculation make sense, and would the following wattage be enough to heat the batteries? I'm open to suggestions. 4x 48V heater pads would result in...

I'm trying to build 2 battery packs each consisting of 8s 280Ah cells and want the battery packs in parallel. I have added the images. Do the connections look correct? Will the load be distributed between two packs equally? Also I'm questioning the cell bus bars (marked in red circle). Could...

Thanks for great info. Am I thinking correctly? 1. Wires 1, 2, 3 should be equal length; Wires 4, 5, 6 should be equal length; 2. Wires 1, 2, 3 AND 4, 5, 6 don't need to be equal length. For example wires 1, 2, 3 can be 1 meter, wires 4, 5, 6 can be 1.5 meters. I understand that wire 1 can't be...

Hello, I know its solar related forum, but maybe someone could help me. I'm wiring multiple cameras to one monitor which supports only one video channel and would like some help to confirm that the diagram looks correct. Requirements: Monitor can be turned on either by ignition or by separate...

Yes, you are correct regarding cable length difference, but I still think that there could be different length between positive and negatives wires. I attached the image to reflect that. There will be same total cable length for every battery. There shouldn't be difference in resistance since...

Thanks for the answer. I have updated wiring diagram and connected all AC earths in shore breaker box which is then grounded to DC negative bus bar (and then to vehicle chassis). Could you look at the diagram and tell me if everything looks correctly? I mainly have these requirements for AC...

Planning to buy Giandel 3000W inverter which is missing N-E bonding and planning to add automatic transfer switch which would either connect shore or inverted live / neutral wires to main van breaker box. Breaker box has RCD and MCB. Would appreciate if these answers could be answered: 1. Is it...

My plan is to buy 4x 10cm x 5cm 48V heater pads and use them under the alluminium sheet to heat the 24V battery bank during cold weather. Does my calculation make sense, and would the following wattage be enough to heat the batteries? I'm open to suggestions. 4x 48V heater pads would result in...

Basically, connecting two 24V heater pads in series would result the same max power as connecting two 48V heater pads in parallel? Considering that it is connected to 24V battery.

So looking at my diagram, is it wired correctly? I do understand that multiple neutral to ground bonds is a no-go, but I can't wrap my head in my case as hots and neutrals are switched. They only share the same earth. For example I plug shore power. System is now N-E bonded from shore (assuming...

I have recondisered the plan and bought 4x 40W heating pads, which should use total of 40W (10W each) when run at half voltage. It should be enough? Yes, 8 cells. Heater pads would be controlled by external thermostat.

Thanks! Also, maybe you know an answer for this question? I just want to see if I'm thinking correctly. What would happen if shore power is connected and transfer switch would pass INVERTER live and neutral instead of shore (malfunction). In other words, battery charger would be powered from...

Theoretically there would be two separate N-Ground bonds (from shore and from inverter), but transfer switch should switch live and neutral so that it is using either shore or inverter with its own N-Ground, so in result maintaining only one N-Ground bond after the transfer switch. And this is...