Electrical System
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Electrical System

400Ah LiFePO4 battery bank with Victron MultiPlus 3000 inverter, solar charging, and comprehensive power distribution for off-grid living.

$8.5k
Total Cost
6
Components
2
Build Posts
Tested

Specifications

Total Capacity
400Ah @ 12V (4,800Wh usable)
Daily Solar Generation
~2,100Wh (good sun)
Charging Sources
Solar, Alternator (DC-DC), Shore Power
Max AC Load
3000W continuous, 6000W peak
Max DC Load
400A (5,000W @ 12V)

Components

Every part that makes this system work

Battle Born LiFePO4 Batteries

Specs: 100Ah each, 12V, 3000+ cycle lifespan

"Primary energy storage for all electrical systems"

Vendor: Battle Born
$4,000
47.1% of system

Victron MultiPlus 3000 Inverter/Charger

Specs: 3000W continuous, 6000W peak, automatic transfer switch

"Converts 12V DC to 120V AC, charges from shore power"

Vendor: Victron Energy
$1,300
15.3% of system

Victron MPPT Solar Controller

Specs: Maximum power point tracking for optimal solar efficiency

"Manages solar panel charging of battery bank"

Vendor: Victron Energy
$700
8.2% of system

Solar Panels

Specs: 3 x 175W panels, 525W total array

"Generate power from sunlight for off-grid capability"

Vendor: Various
$1,000
11.8% of system

Heated Floor

Specs: Electric heating pad system

"Provides floor heating for cold weather comfort"

Vendor: Various
$200
2.4% of system

Wiring & Distribution

Specs: 4/0 to 18 AWG, fuses, breakers, bus bars

"Safe power distribution throughout the van"

Vendor: Various
$1,300
15.3% of system
System Total
$8,500
6 components installed

Power Analysis

Major Loads

Water Heater1500W AC
Air Conditioning300W AC
Laptop100W AC
Lights/Fan/Toilet100W DC

Daily Usage

~2,000-3,000Wh typical

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