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MEGA 400 400 Watt Solar Panel

MEGA 400 400 Watt Solar Panel

Best price now

$2,699.99at RICH SOLARChecked Nov 9

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Price facts

  • Last seen at $2,699.99 at RICH SOLAR on Nov 9.

Our take on the MEGA 400 400 Watt Solar Panel

The Rich Solar MEGA 400 is a 24V off-grid monocrystalline panel rated at 400W from 108 half-cut-style cells with 10 busbars and up to 23.2% efficiency. It uses 3.2 mm anti-reflective tempered glass, an anodized aluminum frame with 8 pre-drilled mounting holes, and 4 ft MC4 leads. A 0 to +5W power tolerance means it should meet or slightly beat its rating, and it carries a 25-year power output and 10-year workmanship warranty. It suits off-grid cabin, agricultural and small commercial builds that want one large panel instead of several smaller ones, though its size and weight make it a two-person install.

Best forOff-grid cabin and shed systemsAgricultural and remote power setupsBuyers wanting one high-wattage panel instead of several small onesRoof, pole or ground mounts with Z brackets or tilt mounts
Pros
  • 400W from a single 108-cell panel
  • 0 to +5W positive power tolerance
  • 10 busbars and up to 23.2% cell efficiency
  • Good low-light output at dawn, dusk and on cloudy days
  • 5400 Pa snow and 2400 Pa wind load ratings
  • 25-year power output and 10-year workmanship warranty
Cons
  • Large, heavy panel that needs two people to lift and mount
  • 24V nominal output needs an MPPT controller sized for its voltage
  • Pallet shipping only, so small orders are awkward
  • Off-grid focus; not a plug-and-play rooftop module for grid-tied homes

MEGA 400 400 Watt Solar Panel prices at every store

  • RICH SOLARNew

    In stockReturn policy

    $2,699.99Checked Nov 9
    Visit RICH SOLAR

About the MEGA 400 400 Watt Solar Panel

The MEGA 400 is a 400W, 24V off-grid solar panel. It uses 10-busbar monocrystalline cells in a 108-cell configuration, with efficiency up to 23.2%. The power tolerance is 0 to +5W, so output is at least the rated 400W. It also performs well in low light, such as on cloudy days and at dawn and dusk.

The front is 3.2 mm AR-coated tempered glass. The frame is anodized aluminum, which is lightweight, strong and corrosion-resistant. The panel is PID-resistant and 100% EL-inspected to help prevent microcracks. It has been tested for UV exposure, thermal cycling, humidity freeze and more. It is rated for 5400 Pa snow loads and 2400 Pa wind loads.

Eight pre-drilled mounting holes allow installation with Z brackets, tilt mounts, poles or on the ground. MC4 connectors with 4 ft pre-attached cables are included for quick installation. The panel works with both on-grid and off-grid inverters. It suits residential, agricultural and commercial off-grid use.

Maximum power
400W (PMAX)
Power tolerance
0 to +5W
Cells
108 monocrystalline, 10-busbar, up to 23.2% efficiency
Max power voltage
31.0V (VMP)
Max power current
12.9A (IMP)
Open circuit voltage
37.1V (VOC)
Short circuit current
13.7A (ISC)
Max system voltage
1500VDC
Max fuse rating
25A series fuse
Temperature range
-40 to +185°F
Glass
3.2 mm AR-coated tempered glass
Frame
Anodized aluminum
Mounting
8 pre-drilled holes for Z brackets, tilt mounts, pole or ground installation
Connectors
MC4, IP67-rated waterproof
Panel leads
12 AWG, 4 ft each (pair)
Junction box
IP68-rated waterproof
Snow load
5400 Pa
Wind load
2400 Pa
Certifications
UL 61730, IEC 61215, CSA C22.2
Compatibility
On-grid and off-grid inverters
Dimensions
67.8 x 44.7 x 1.2 in
Weight
45.2 lbs
Power warranty
25-year limited power output
Workmanship warranty
10 years

Questions and answers

What charge controller does the MEGA 400 need?
It is a 24V nominal panel, so pair it with an MPPT charge controller rated for its open-circuit voltage and current. Match the controller to your battery bank voltage, not just the panel wattage.
Can I use it for a grid-tied system?
Rich Solar says it works with both on-grid and off-grid inverters. Most buyers use it off-grid, and a grid-tied install needs a compatible inverter and typically a permit and rapid shutdown equipment.
How many panels do I need for a 24V battery bank?
One panel is enough to charge a 24V bank at roughly 400W in good sun. For faster charging or cloudy-day headroom, two panels in parallel double the current.
What connectors and cables come with it?
It ships with 4 ft pre-attached 12 AWG leads and MC4 connectors. You add your own extension cable to reach the controller.
How is it mounted?
The anodized aluminum frame has 8 pre-drilled holes for Z brackets, tilt mounts, pole mounts or ground racks. It is rated for 5400 Pa snow and 2400 Pa wind loads.
What does the warranty cover?
There is a 25-year limited power output warranty and a 10-year workmanship warranty. Keep the serial label and proof of purchase for claims.
Where is the MEGA 400 400 Watt Solar Panel cheapest?
At RICH SOLAR, for $2,699.99, as of our latest check.

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