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    <title>VanSolarCalc Blog</title>
    <link>https://vansolarcalc.com/blog/</link>
    <description>Size the solar panels, battery bank, charge controller, wiring, and fuses for a camper van or RV off-grid system — with a cost estimate and printable parts list.</description>
    <language>en-us</language>
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      <title>How to Mount Solar Panels on a Van (Rigid vs Flexible, Drill vs No-Drill)</title>
      <link>https://vansolarcalc.com/blog/how-to-mount-solar-panels-on-a-van/</link>
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      <pubDate>Wed, 29 Jul 2026 09:00:00 GMT</pubDate>
      <description>Rigid or flexible, drill or no-drill — how to mount a van solar array that survives the highway and stays leak-free.</description>
    </item>
    <item>
      <title>MPPT vs PWM Charge Controller: Which Is Best for a Van?</title>
      <link>https://vansolarcalc.com/blog/mppt-vs-pwm-charge-controller-van/</link>
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      <pubDate>Sat, 25 Jul 2026 09:00:00 GMT</pubDate>
      <description>MPPT captures 15-30% more from the same panels than PWM. Here's why, and the one time PWM is fine.</description>
    </item>
    <item>
      <title>Do You Need an Inverter in a Camper Van?</title>
      <link>https://vansolarcalc.com/blog/do-you-need-an-inverter-in-a-camper-van/</link>
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      <pubDate>Wed, 22 Jul 2026 09:00:00 GMT</pubDate>
      <description>Only AC appliances need an inverter. When to skip it, when to buy one, and what size to get.</description>
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    <item>
      <title>How to Charge a Van Battery While Driving (DC-DC Chargers Explained)</title>
      <link>https://vansolarcalc.com/blog/how-to-charge-a-van-battery-while-driving-dc-dc-chargers/</link>
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      <pubDate>Sat, 18 Jul 2026 09:00:00 GMT</pubDate>
      <description>A DC-DC charger turns engine time into power — the fix for modern smart alternators that won't charge your house battery.</description>
    </item>
    <item>
      <title>Van Battery Not Charging? 7 Causes and Fixes</title>
      <link>https://vansolarcalc.com/blog/van-battery-not-charging-7-causes-and-fixes/</link>
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      <pubDate>Tue, 14 Jul 2026 12:00:57 GMT</pubDate>
      <description>Most charging failures are a fuse, a loose crimp, or a settings mismatch. Diagnose yours in order.</description>
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    <item>
      <title>Van Electrical System Cost: Complete 2026 Budget Breakdown</title>
      <link>https://vansolarcalc.com/blog/van-electrical-system-cost/</link>
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      <pubDate>Tue, 14 Jul 2026 12:00:56 GMT</pubDate>
      <description>Three real builds itemized line by line — and the two components that eat 50% of every budget.</description>
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    <item>
      <title>What Can a 200W, 300W or 400W Solar Panel Run in a Van?</title>
      <link>https://vansolarcalc.com/blog/what-can-a-200w-300w-400w-solar-panel-run/</link>
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      <pubDate>Tue, 14 Jul 2026 12:00:55 GMT</pubDate>
      <description>Daily watt-hour budgets for each array size, from weekend fridge duty to full-time remote work.</description>
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    <item>
      <title>Solar Panels in Series vs Parallel: Which Is Better for a Camper Van?</title>
      <link>https://vansolarcalc.com/blog/solar-panels-in-series-vs-parallel-which-is-better-for-a-camper-van/</link>
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      <pubDate>Tue, 14 Jul 2026 12:00:55 GMT</pubDate>
      <description>Same panels, same watts — different wire, controller, and shade behavior. How to choose.</description>
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    <item>
      <title>How Long Will a 100Ah Battery Last? (Real Van Life Examples)</title>
      <link>https://vansolarcalc.com/blog/how-long-will-a-100ah-battery-last/</link>
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      <pubDate>Tue, 14 Jul 2026 12:00:54 GMT</pubDate>
      <description>Real runtimes for every common van appliance on a 100Ah battery, with the simple math behind them.</description>
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