Van Solar & Electrical Blog
Guides, comparisons, and how-tos on van solar, batteries, wiring, and off-grid power — from the team behind the VanSolarCalc sizing tool.
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How to Mount Solar Panels on a Van (Rigid vs Flexible, Drill vs No-Drill)
Jul 29, 2026 · 4 min read
Rigid or flexible, drill or no-drill — how to mount a van solar array that survives the highway and stays leak-free.
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MPPT vs PWM Charge Controller: Which Is Best for a Van?
Jul 25, 2026 · 4 min read
MPPT captures 15-30% more from the same panels than PWM. Here's why, and the one time PWM is fine.
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Do You Need an Inverter in a Camper Van?
Jul 22, 2026 · 4 min read
Only AC appliances need an inverter. When to skip it, when to buy one, and what size to get.
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How to Charge a Van Battery While Driving (DC-DC Chargers Explained)
Jul 18, 2026 · 4 min read
A DC-DC charger turns engine time into power — the fix for modern smart alternators that won't charge your house battery.
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Van Battery Not Charging? 7 Causes and Fixes
Jul 14, 2026 · 5 min read
Most charging failures are a fuse, a loose crimp, or a settings mismatch. Diagnose yours in order.
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Van Electrical System Cost: Complete 2026 Budget Breakdown
Jul 14, 2026 · 4 min read
Three real builds itemized line by line — and the two components that eat 50% of every budget.
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What Can a 200W, 300W or 400W Solar Panel Run in a Van?
Jul 14, 2026 · 5 min read
Daily watt-hour budgets for each array size, from weekend fridge duty to full-time remote work.
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Solar Panels in Series vs Parallel: Which Is Better for a Camper Van?
Jul 14, 2026 · 4 min read
Same panels, same watts — different wire, controller, and shade behavior. How to choose.
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How Long Will a 100Ah Battery Last? (Real Van Life Examples)
Jul 14, 2026 · 5 min read
Real runtimes for every common van appliance on a 100Ah battery, with the simple math behind them.
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