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    Batteries died and will not accept charge. Help!

    Currently on a road trip from North Carolina to California and my batteries have died (current voltage is 4.5v). Wole up this morning, turned on the coffee maker and went into the store. When I came back had hot coffee but noticed the coffee maker light was off and then discovered all power...
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    Running a GFCI outlet from inverter.

    I have a mini campervan and would like to add a single 120v GFCI outlet by running a circuit no more than 9' in length from my 1500w inverter to the outlet. Here is where my question comes in, I would be plugging this circuit into the inverters 3 prong outlet, this seems simple enough but would...
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    120v A/C from inverter to outlets

    I want to stay safe so I have to ask. My 12v, 1500 watt inverter has three built in 120v 3 prong AC outlets. Is it permitted and safe to plug into these outlets and run wires to standard or gfi outlet in in a cabinet in a camper van?
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    Questions about ground wire sizing, quick disconnects, and cable lengths.

    The deeper I get into my project the more questions I have. I am so grateful to have found a place where so many are knowledgeable and willing to share the knowledge. My questions. Inverter grounding. Inverter is a GoWISE, 1500w. The manual states "The earth conductor is permitted to be 1...
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    Leaving new batteries unused then charging and maintaining them.

    After purchasing two SOK 100ah batteries in June of 2022, I now have the time to move forward with their intended use but am concerned it may not have been in the batteries best health interest to leave them setting in the box unmaintained. I charged one of the batteries today using a Victron...
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    Please take a look at the box I will build to house my batteries and electrical components.

    I need to build a box to hold my batteries and electrical components in the very limited space of a minivan in the area that normally stores the third-row fold down seats (seats removed). This is a basic box with a shelf, there is no box lid since the van bed frame sets inches above. With the...
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    Fuse amp and location question

    I plan to install a Victron IP22 30A battery charger in my van that will be used to provide shore power to two 100ah LiFePO batteries, the charger cables will have an Anderson connector to allow connection of alligator clamps in the event charging a car battery is needed. Charger will hard wire...
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    MRBF Terminal Fuse block, mounting hole size question.

    Shopping for MRBF Terminal Fuse Blocks to mount on my SOK batteries. The battery posts have M8 bolts (about 0.310 OD at the threads), but the MRBF fuse blocks I have come across have a mounting hole of 3/8" (0.375). Knowing that there should be as much material as possible at this connection...
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    Van electrical drawing for review.

    Please take a look at my latest 12v system drawing to assure proper wire sizing, correct type fuses and their amp rating along with anything else you see that may not be acceptable. I have also included my energy audit summary for review. Not in the drawing but I would like to add a Victron...
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    Budget 1500w 12v Pure Sinewave Inverters

    Since I don't know anything about inverters except that I need one... I have to ask Is there really much of a difference between these and other budget inverters. Quality/longevity, standby power consumsion, efficiently? https://www.giandel.com/products/usa-can-ps-1500kar...
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    Yet another question regarding fuses.

    I'm sure I am missing something so please set me straight. Regardless of system voltage, ANL fuses appear to be the preferred fuse type used here on the forum, yet when I look at the Will Prowse Websight, he recommends Mega fuses. He goes a step further saying, "Stick to these fuses if you do...
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    Help sizing cables and fuses for batteries and inverter.

    Need some help determining correct wire and fuse sizes for a vehicle that will have 2 100ah LiFePO4 batteries wired in parallel and a 1500 watt inverter. I think I have the math correct for the inverter. Please correct if I am wrong. 1500 watt inverter assuming 90% efficiency 1500/.9=138.8...
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    Minivan, DIY Busbar space saving ideas?

    Looking for suggestions on how to minimize the space the electrical system will take up in my minivan build, one item I can across is a DIY battery cutoff/busbar that incorporates fuses. Seems this design would eliminate the need for the traditional positive busbar and eliminate some short...
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    Sizing Inverter to battery

    I have on backorder a single SOK 206ah 12.8-volt battery and will be buying an inverter to run with it. This SOK battery has a maximum continuous discharge current of 100A. If my math is right the max inverter size for this battery is 1200 watts, 1200/12 = 100 amp? When I look at these...
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    Recommend a battery charger

    Looking for recommendations for a 110-volt battery charger that will be used to charge a single SOK 206ah battery. Charger will be used for new battery top off charge and eventually used to as a shore power connection in a minivan.
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    SOK 206ah with and without Bluetooth, what's the better buy?

    Trying to decide if I should buy a single SOK 206ah battery with or without built in Bluetooth/battery heater. I don't need the heater but am assuming if I buy with Bluetooth then there is no need to include a shunt and monitor, is this true? $170 more for the battery with built in Bluetooth...
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    Wires and fuses. Please help me to make sure nothing goes up in flames.

    Since I am such a NEWBIE, please help give me confidence this won't blow up on me, I welcome your thoughts and suggestions. This system will be in a minivan. 206ah battery Cables 2/0. 4' round trip to/from busbars. Fuse 225-amp battery mounted thermal fuse block. Inverter 220 watt. Cables...
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    Design Review. System for 2022 Toyota Sienna Hybrid.

    I submitted this in the Vehicle mounted section then realized it should be put here. Please scroll down to read background and questions. Submitting my design for a first-round review. This is the first time I have attempted to design a system so please critique to help me build a robust...
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    Toyota Sienna hybrid electrical system

    Posting this here in hopes that others have investigated or completed an electrical system on a Toyota hybrid sienna. I've searched this forum and coming up with no conversations about adding an electrical system to the sienna hybrid. I did find some info on another forum but very limited...
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    Battery to Battery charging questions and opinions on my expectations of system

    Hello everyone, Another new guy here that wants to build a system but currently no experience. I have purchased “The Book” and spent countless hours online and have my first round of expectations from a power system for my van. Scope if system for minivan. 100-200 Watt of solar, roof mounted...
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