RV and Cabin Solar Kits: 12V, 24V or 48V?
How to choose between a 12V, 24V or 48V RV or cabin solar kit, with current-draw math, a comparison table and kit examples.
ROCKSOLAR Team |
NEWS
RV and Cabin Solar Kits: 12V, 24V or 48V?
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Growatt SPE 6000US vs 12000US Off-Grid Inverter: Smart Load, Specs & EG4/Sol-Ark Comparison
Growatt's UL 1741-listed SPE 6000 US and SPE 12000 US off-grid inverters explained: specs, how the smart load output runs water heaters, pool pumps and EV chargers on spare solar,...
ROCKSOLAR |
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Monofacial vs Bifacial vs Dual-Glass Solar Panels: What's the Difference?
Monofacial panels make power from the front only; bifacial panels also capture reflected light on the back; dual-glass panels put glass on both sides for a tougher, longer-warrantied build. Here's...
ROCKSOLAR |
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Growatt SPH vs EG4 vs Sol-Ark: 48V Hybrid Inverter Comparison (2026)
A spec-by-spec look at the Growatt SPH 9600–18000TL-HU-US series, EG4 18kPV and FlexBOSS21, and Sol-Ark 15K and 18K: solar input, backup switchover, battery current, passthrough and certifications.
ROCKSOLAR |
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EG4 vs Growatt: Which Inverter Brand Is Right for Your Solar System?
EG4 sells hardware built by partner factories; Growatt designs and builds its own inverters and batteries. Here's how the two compare as companies, and which is more likely to honor...
ROCKSOLAR Team |
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Solar-Powered Wildlife Water in the American West
How solar submersible pumps keep wildlife water flowing for bighorn sheep, mule deer, elk and pronghorn across the arid American West, plus design tips and recommended kits.
ROCKSOLAR |
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Home Battery Backup: How Much Battery Do You Need for an Outage?
How to size a home backup battery for essentials or whole-home backup, with outage-length examples and battery options.
ROCKSOLAR Team |
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Solar Surface Pumps for Pond, River and Dugout Irrigation
How solar surface and transfer pumps draw water from ponds, creeks, ditches and dugouts to irrigate fields, greenhouses, gardens and pastures, with setup tips, US water rules and recommended kits.
ROCKSOLAR |
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Solar Borehole Irrigation in the US Southwest
How solar submersible pumps and borehole wells power drip and sprinkler irrigation for orchards, vineyards, market gardens and small farms across the sunny, deep-water US Southwest.
ROCKSOLAR |
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How to Size an Off-Grid Solar System for a Home or Cabin
Work out daily kWh, inverter size, battery storage and solar array size for an off-grid home or cabin, with a quick sizing chart.
ROCKSOLAR Team |
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How Much Solar Inverter Capacity Do I Need for a 5kW Solar System?
For a 5kW solar panel system, a 4kW to 5kW inverter is often a practical starting range, but the correct inverter size depends on the solar array's actual DC rating,...
John Shaju |
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Submersible Pump vs Water Transfer Pump: Which Is Better for Drainage?
Standing water can quickly become a serious problem on farms, ranches, livestock properties, and irrigation sites. Whether you're draining a flooded area, emptying a water tank, moving water from a...
John Shaju |
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Top 5 Benefits of an RV Power Inverter This Summer
Summer road trips should feel adventurous—not limited by the nearest electrical hookup. Whether you’re camping in a national park, spending a weekend at a remote cottage, or travelling across the...
John Shaju |
