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Practical guides on solar panel sizing, fuse selection, battery wiring, and wire gauge calculations. Everything you need to design a reliable 12V electrical system for your build.
Buying guide to the Anker SOLIX C1000 Gen 2: 1024 Wh LiFePO4, 2000 W inverter, 49-minute AC charging. Who it fits in a van or camper, and who needs more.
4096 Wh LiFePO4, 4000 W inverter, 2600 W solar input: what the EcoFlow DELTA Pro 3 replaces in a camper build, what it can't, and what independent tests found.
Balcony solar (plug-in solar) panels feed power straight into a household circuit, no battery required. Here is how the savings math actually works, with a worked example.
Plan your camper, van, or RV electrical system step by step: calculate power needs, size your battery bank, plan solar, wire it safely, and create a wiring diagram. Free calculators included.
Full Ah to Wh table for 50–400Ah at 12V, 24V, and 48V — plus device runtimes, usable energy by chemistry (LiFePO4 vs AGM), reverse Wh-to-Ah chart, and camper sizing examples. Free calculator for any value.
A step-by-step roadmap for upgrading your camper or caravan from stock electrical to a full off-grid system. Covers auditing, planning, budgeting, and phased installation.
Should you buy a portable power station or build a custom electrical system? An honest comparison covering cost, flexibility, capacity, and which makes sense for your setup.
How to plan and wire LED lighting in your camper or van conversion. Covers color temperature, circuit design, dimming options, and avoiding common wiring mistakes.
Why proper grounding is critical in camper and boat electrical systems. Covers chassis grounding, bonding of metal parts, shunt placement, protective earth, ABYC and European standards (DIN VDE 0100-721, EN 1648), and the most common grounding mistakes.
Every symbol you need to read a 12V wiring diagram — battery, fuse, switch, ground, and busbar — plus the line conventions and a step-by-step method for tracing any circuit in camper and boat schematics.
How to protect your camper or boat electrical system from water damage. IP ratings explained, connector selection, cable gland installation, and corrosion prevention techniques.
Class T fuses (20,000 AIC) are the LiFePO4 gold standard. MRBF terminal fuses (10,000 AIC) cost 5-10x less. Compare specs, cost, install, and when each is acceptable.
Five free online calculators for 12V, 24V, and 48V DC systems: wire gauge, fuse size, battery bank, inverter wattage, and solar array. No signup, metric and imperial, embed-ready.
Your new lithium battery already has built-in protection. So do you really need that extra $80 fuse on top? Plain-English answer for camper, RV, and off-grid builders.
Everything you need to know about DC-DC chargers for camper and boat electrical systems. Why they replaced split-charge relays, how to size them, and installation best practices.
We launched The Busbar, a weekly newsletter covering inverters, BMS firmware, battery cells, and product releases in the DC-power world. Here is what it is, who it is for, and how it fits alongside VoltPlan.
How much solar do you actually need for van life? Real energy budgets for weekenders, full-timers, and digital nomads -- plus tips for maximizing your solar harvest year-round.
Boat shore power wiring diagram with proper inverter/charger placement and galvanic isolation. ABYC-aware layout for safe dockside hookups.
Running solar panels far from the battery bank? Keep the charge controller at the batteries and run high-voltage PV wire the long distance. Here is the math, the rule, and the exceptions.
We installed the Renogy 1000W Pure Sine Wave Inverter with UPS on our boat. After a full season, here is why we would not recommend it for marine use and what to use instead.
See a simple 12V RV wiring schematic, then learn the symbols and steps to build your own — for campers, vans, and trailers.
Looking for a 12V wiring diagram creator? Compare approaches from pen and paper to specialised tools, and learn why a purpose-built diagram creator saves time and prevents costly mistakes.
A complete guide to designing a 12V 240V caravan wiring diagram with dual voltage systems, hookup panels, consumer units, and RCD protection. Plan your caravan electrics safely.
See solar panels wired in series, parallel, and series-parallel with 2, 3, and 4-panel diagrams. Voltage, current, and wire gauge for each setup.
Planning your camper or RV electrical system doesn't have to be overwhelming. Here's exactly how to design a reliable 12V system for your van, camper, or motorhome — from calculating power needs to creating a wiring diagram.
Build a safe 12V boat wiring diagram with the right battery switch, fuse panel, tinned marine cable, and ABYC-aware component placement. Includes diagram layout and parts guidance. Free PDF: three worked boat wiring diagrams to download.
Complete AWG to mm² reference table with ampacity for 18 AWG to 2/0 AWG — plus voltage-drop sizing steps, fuse pairing, and a full FAQ. Free calculator for any circuit.
Confusing wiring diagrams cause mistakes and frustration. Here's what makes a good camper or boat electrical diagram: clear, consistent, beginner-friendly, and accurate.
Compare series vs parallel solar panels for camper, RV, and boat systems. See the effect on wire size, power loss, MPPT input voltage, and total cable cost with real examples.
LiFePO4 batteries deliver 3,000-15,000 cycles vs 500 for lead-acid, 90% usable capacity, and zero maintenance. Complete comparison with pricing, specs, and sizing advice for 12V systems.
For most 12V setups, wire batteries in parallel (positive to positive, negative to negative) to double capacity at 12V. Includes wiring diagrams, the diagonal method, and cable sizing rules.
Complete 12V fuse size chart for every wire gauge from 18 AWG to 4/0, with the 125% rule, fuse types (blade, MIDI, ANL, Class T), and placement within 7 inches of the battery — plus a free calculator.
Most camper and van builds need 300-600W of solar. The formula: daily watt-hours × 1.5 ÷ peak sun hours. Step-by-step sizing with real consumption numbers, setup tiers from 200W to 800W+, and a free calculator.
Starting your first camper electrical project? Don't worry - I'll break down everything you need to know about 12V systems in plain English. No electrical degree required.