Solar Panel ↔ MPPT Controller Pairing Chart (Don't Oversize)
Match your MPPT controller to your array's output current and voltage — size it to the panel wattage at your battery voltage, with the panel string...
RV Parts & Off-Road Camping Blog
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How to Wire a Victron Cerbo GX + Lynx Distributor
The Cerbo GX is the brain of a Victron system — it ties every component together for monitoring and control. Wiring it means powering it from your ...
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RV Roof Vent Fan Buying Guide: How to Choose the Right Fan
Pick an RV roof fan by three things: powered vs manual, a built-in rain cover, and reversible airflow. Almost all fit the universal 14"×14" roof op...
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Victron Cable, Fuse & Busbar Sizing Chart for RV Builds
Size DC cable by continuous amps and run length, then fuse every positive cable to its capacity. A 12V/3000VA Victron MultiPlus pulls roughly 250–3...
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RV Water Pump Buying Guide: Flow (GPM), Pressure & Self-Priming
Most campers run best on a 12V self-priming pump rated around 3–4 GPM at 45–55 PSI. Choose by three numbers — flow (how many fixtures you can run a...
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How to Install a Victron MultiPlus Inverter/Charger (Wiring + Fusing)
Installing a Victron MultiPlus comes down to four connections: battery DC positive (through a correctly-sized fuse), battery negative, AC-in (shore...
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RV Air Conditioner Sizing Guide: BTU by Camper Length
Most RVs need a 13,500 BTU air conditioner; larger or hot-climate rigs want 15,000 BTU. As a rule, a single 13,500 BTU unit cools a camper up to ab...
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RV Battery Charger & Shore-Power Buying Guide
Choose a smart charger sized to roughly 10–20% of your battery bank's amp-hours, with the right charge profile for your battery type. A 200Ah bank ...
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RV Lithium Battery Buying Guide: How Much Capacity & Which to Buy
Most RVs need 200–400Ah of LiFePO4 lithium. Add up your daily watt-hours, divide by your system voltage (12 or 24), then add about 20% headroom. A ...
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How to Choose an RV Inverter: Sizing Guide + Watt Calculator
Size your RV inverter to the largest combination of AC loads you'll run at once, then add ~20% headroom. Most campers land on a 1,000–2,000W pure s...