Bypass Diode Shade Safe
FOSSiBOT SP400 Pro Bifacial Portable Solar Panel (400W)
- 2‑Year Warranty: Backed by a 2‑year warranty for peace‑of‑mind purchase and worry‑free usage.
- Lightweight & Fold‑for‑Portability: 36% lighter than its predecessor, weighing only 9 kg complete with the stand, for effortless transport and quick setup.
- Smarter Bypass, Shade Safe: Integrated bypass diodes stop overheating if parts of the solar panel get covered by shade.
- 25% Conversion Efficiency: Engineered with advanced solar cells that minimise energy loss while performing in high temperatures — delivering more power, faster, even in demanding conditions.
- Up to 10%‑15% More Power with Dual‑Sided Output: Dual‑side sunlight capture boosts energy output on reflective surfaces such as snow, sand and concrete.
- Never Worry About Extreme Conditions: Built to endure extreme temperatures from ‑10℃ to 70℃ (14℉ to 158℉), and rated IP67 dust‑ and water‑resistant.
- Aluminum Frame: Built to last with a reinforced aluminium frame and impact‑resistant materials that withstand bumps and rough handling.
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FOSSiBOT SP400 Pro Bifacial Portable Solar Panel
Lighter. Smarter. Stronger.
Aluminum Frame
25% High Solar Conversion
Lightweight & Foldable
9kg/19.8 lbs
9kg/19.8 lbs
400W Peak Power
Bifacial Solar Panel
IP67 Protection
Light Comes from Both Sides
Captures direct sunlight from the front and reflected light from the rear, adding 10–15% more light.
7.21%
Grass
9.54%
Cement
9.84%
Sandy Land
14.83%
Snow
24.85%
Mirror
25% High Conversion Efficiency
High-efficiency cells make better use of the sunlight you get.
Open Circuit Voltage
39.1V
Peak Power
400W
*Under typical weather conditions, actual power ranges from 70% to 85% of peak rating.
Aluminum Frame. Better Protection
Reinforced aluminum and protected corners stand up to bumps and rough handling.
Thick Plastic Corner Guards
Aluminum Frame
Layered to Perform
FOSSiBOT SP400 Pro
Other
Only 19.8 lbs. Easy to Carry
The new SP400 Pro is 36% lighter than the previous SP420, making it easier to carry and store.
Net weight:
9kg (19.8 lbs)
Folded Size:
691*790*87.4mm
Unfolded Size:
2765*790*21.4mm
Net weight:
9kg (19.8 lbs)
Folded Size:
691*790*87.4mm
Unfolded Size:
2765*790*21.4mm
Smarter Bypass. Shade Safe
Bypass diodes help prevent overheating when part of the panel is shaded.
Stable 35° Angle for Any Terrain
The fixed stand stays steady on grass, gravel, and uneven ground.
IP67 Panel with Sealed Connectors
Dust and water resistant, making it well suited for outdoor use.
Waterproof MC4 Connector
Works with 90% of Power Stations
Standard MC4 connectors work with most compatible portable power stations.
F1800 (1024Wh)
1 x SP400 Pro
≈ 3.41 Hrs
F2400 (2048Wh)
1 x SP400 Pro
≈ 6.83 Hrs
F3600 Pro (3840Wh)
4 x SP400 Pro
≈ 3.2 Hrs
F7200 (5222.4Wh)
6 x SP400 Pro
≈ 2.9 Hrs
More Panels. More Power
1
Locate the PV ports behind your solar panel.
2
Use an extension cable to connect the PV ports to the PV connector-to-XT60 solar charging converter.
3
Connect the solar charging converter to the XT60 port on your power station.
Note: Ensure the cables are connected to their opposing charge, excluding the XT-60 port.
How to Connect
Connect panels in series or parallel to expand your solar setup.
Charge the portable power station
Connect in series
Connect in parallel
Power Your Life, Power Your Adventure
RV Trip
Camping
Fishing
Power Outage Essentials
-10°C to 70°C. Ready for the Outdoors
Reliable performance across a wide range of outdoor temperatures.
What's in The Box
SP400 Pro Portable Solar Panel
User Manual
Portable Solar Panel Bag
MC4-XT60 Solar Charging Cable(1.5M)
New Generation vs Previous Generation
FOSSiBOT SP400 Pro Bifacial Portable Solar Panel
FOSSiBOT SP420 Portable Solar Panel
Conversion Efficiency
25% ↑
Conversion Efficiency
23.4%
Solar Capture
Double-Sided ↑
Solar Capture
Single-Sided
Hotspot Protection
Anti-hotspot technology
Hotspot Protection
--
Weight
19.8 lbs ↓
(9kg)
Weight
30.79lbs
(13.97kg)
Frame
Aluminum Frame
Frame
Standard Frame
Working Temperature
-10°C to 70°C ↑
Working Temperature
-10°C to 65°C
Folded Size
691*790*87.4mm ↓
Folded Size
1036*550mm
Unfolded Size
2765*790*214mm ↓
Unfolded Size
1036*2231mm
PREVIEW
POWER
Model:
Max Power at STC:
Panel Type:
Conversion Efficiency:
Voltage at Max Power(Vmp):
Current at Max Power(Imp):
Open Circuit Voltage(Voc):
Short Circuit Current(Isc):
GENERAL
Connector:
Weight:
Dimensions (Unfolded):
Dimension (Folded):
Operating Temperature:
Number of Panels:
Warranty:
In The Box
