Even if I "only" had three 100aH batteries (the minimum battery configuration suggested tied to a 3000W inverter) 2/0 would "work" since the maximum any single 2/0 (connected to a single battery) will experience (before the fuse blows) is about 133 amps.
Given the 400 amp fuse protecting the circuit in my camper, that's the maximum amperage it should experience. Based on charts I find online, this is under the max of ~175 amps the 2/0 can handle. In the unlikely scenario the Multiplus pulls 500 amps for 1 second (or until the 400 amp fuse blows), the maximum draw from each of my four Battle Born batteries will be 125 amps (500/4). JimThat would mean I was pulling 800 amps from my four battery setup.if that was happening something's cooking. The wiring should be sized for 200 amps if there is a possibility of a draw that high. Howard - The maximum discharge for Battle Born batteries is 100 amps continuous, 200 amps for 30 seconds and higher loads for ½ second.
BATTLEBORN GC3 MANUAL
I remember my Magnum inverter manual was very clear that the interconnecting wiring had to be the same size, but that wouldn’t take into account the BMS protecting. Surge can be up to 500! (The Battle Borns and Victron will do it-but only for about a second and then will say "No Mas!") That’s true I forgot the battleborn batteries would limit the current so that would protect the wiring. The 4/0 from where the batteries come together to the inverter is because with four batteries and a 3000AH inverter the sustained amperage is 250. Surge can be up to 500! (The Battle Borns and Victron will do it-but only for about a second and then will say "No Mas!") Put a few of those together in parallel and you could light up a small city. Obviously if using batteries like bertschb's new 270aH BB battery (capable of 300amps output?), that would be a different story. 2/0 is more than sufficient especially with the very short lengths I'm using. Interconnect between the batteries is 2/0 as the maximum sustainable amperage a Battle Born (BB) 100aH will output (or input) is 100 amps. That's not how Garret Towne configured my system, Neil. If your 4/0 is overkill, you’re probably fine, but I think you normally want them the same. The idea being as I understand it is the power going out to the inverter in your case could be traveling on the 4/0 to the first battery and then on 2/0 to the next battery (it should be split, but wire sizing is worst case). Looking for a more traditional battery? Our BB8D is another 270Ah 12V LiFePO4 deep cycle battery.I could be wrong but I think when the batteries are wired in parallel you want the interconnecting wiring to be the same size as the largest feed leaving the bank.
BATTLEBORN GC3 INSTALL
The BBGC3 allows you greater flexibility for what you can power and how you install it and provides energy independence that other batteries cannot.īuilt to last 10 to 15 years and backed by an industry-leading 10-year warranty, Battle Born Batteries are making battery anxiety a thing of the past. This battery is capable of being discharged to a 100% depth of discharge and can charge 5 times faster than lead-acid. With unlimited mounting possibilities and 270Ah of power this battery is ideal for any application and maximizing your system’s space and power. The BBGC3 offers a form factor that no other battery on the market has, and it only weighs roughly 80 lbs. Utilizing stable LiFePO4 chemical composition in cylindrical cells and the same built-in battery management system (BMS) technology as other Battleborn products, the BBGC3 is one of the most unique deep cycle batteries on the market. Rather than adhering to a traditional battery size that needs to fit in a battery box to allow for ventilation from off-gassing, we have created a battery that can be placed anywhere. The BBGC3 is a 270Ah 12V LiFePO4 deep cycle battery in a unique battery case and shape that is changing the way batteries can be placed inside RV’s.
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