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Thanks. Looks like keeping a dedicated generator starting battery is the way to go.

Thanks!

Hi, Suppose I use dual inverter charger-inverters, and I use a roughly 1200AH Lithium battery bank (300AH per 12v battery). Should I make it one battery bank and connects to two inverters or should I make it two separate battery banks (600AH each) and connect them to inverters separately...

Hi, The reason I mentioned class A or C motorhome is because they generally share some common characteristics in their AC/DC system. I am comparing the options of 12 vs higher voltage system. In this post, I want to limit the discussion to the effect in generator. Usually on class A or C...

Hi, I am planning the build for my RV. When building a 24V/28V battery bank, can I build 12V banks using 12V 4S BMS and then put them in serial? I guess using 8S/16S BMS to directly build 24V/48V is always better, but there are a couple of reasons I would like to put 12V banks in serial: 1...

Hi, I started to look at Victron charger/inverter. It seems that most (if not all) of the inverters AC output frequencies are 50Hz, while in US the 120V AC frequency is 60Hz. So I am wondering why Victron inverters output 50Hz AC? Will this cause problem? Especially if the AC output is used for...

Can't find much information about it. Or where do you buy lithium cells for DIY battery bank? Looking for a trustworthy store and good price. Thanks!

Thanks! Is this good? https://www.apexiummall.com/index.php?route=product/product&product_id=493 In its specification, it says "Grade A+(HSEV) Thanks!

Hi, Does anyone know if there are 3D printing template I can download to use as DIY battery bank casing? A casing/box that are strong enough to provides compression? Thanks!

Hi, I am planning to DIY 4 lithium 12V batteries, and then either make a 24V battery bank or a 48V battery bank. Each battery will be assembled the same way (everything being the same). Due to space limitations, I am considering install the batteries in two locations close to each other, like...

If I convert my motorhome to 24V (or 48V) battery bank, there are still many loads need to be powered by 12V. (light, jacks, slides, generator starting current, etc). So I need either a 24V (or 48V) to 12V step down converter, or set up an 12V battery to provide the 12V power. My question is...

Thanks!

Hi, My motorhome's current setup is like this: It takes 50am service natively. Or it can take 30amp/15amp service via adapters. External power source --> automatic transfer switch --> all appliances/outlets --> 12 AWG wire to charger/inverter (1250W only)...