Solar Power3 min read
Why VoltPlan Diagrams Start with Series Solar Wiring
Series wiring is safer, simpler, and works better for 99% of solar installations. We're building the tool that helps you get your system right the first time.
Build Your Perfect 12V Electrical SystemWithout the Guesswork
Whether you're converting a van, outfitting a boat, or going off-grid — VoltPlan makes electrical planning simple, safe, and fun.
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Build Your Van Life 12V System
Design the perfect 12V electrical system for your camper van conversion without the guesswork. From solar panels to battery banks, create a reliable power setup that keeps your adventure going.
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Van Life Dreams
Perfect for camper conversions
Sail Away
Marine electrical systems
Marine 12V Electrical Systems
Build the perfect 12V electrical system for your boat. Navigate the unique challenges of marine environments without the guesswork using our specialized marine electrical templates.
Start Boat ProjectOff-Grid 12V Power Systems
Build your perfect 12V electrical system for your off-grid cabin or tiny home. Design solar arrays, battery storage, and backup power solutions without the guesswork for complete energy independence.
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Off-Grid Paradise
Cabin & tiny home setups
Learn Electrical System Design
Expert guides on 12V electrical systems, camper wiring, van life power, and off-grid electrical design.
Battery Technology13 min read
The Complete Guide to LiFePO4 12V Batteries
My boat came with lead-acid batteries that lasted exactly 18 months before turning into expensive paperweights. After switching to LiFePO4, I learned why this battery technology changes everything.
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