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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...

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, 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, 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)...

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!

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...

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, 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...

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...