Allpowers SF400 Flexible Solar Panel
Solar panel · SF. Specs from the manufacturer page (checked ).

The ALLPOWERS SF400 Flexible Solar Panel is a 400 W monocrystalline solar panel with a 23% conversion rate and an IP68 waterproof ETFE surface. It weighs 7.9 kg (17.3 lbs) and can work with R2500, R3500, R4000, S2000PRO or other compatible power stations if the power, current and voltage match.
Key features
- 400 W monocrystalline silicon panel with a 23% conversion rate
- IP68 waterproof ETFE surface with honeycomb texture that collects light from different angles
- Lightweight and flexible, 7.9 kg / 17.3 lbs
- Rated 74.46V +5% open-circuit voltage, 6.85A +5% short-circuit current, 63.1V +5% maximum-power voltage and 6.34A +5% maximum-power current
- 1000V rating printed on the spec sheet
- Operating temperature -20°C to 85°C (-4°F to 185°F)
- When installed flat, withstands pressure up to 50 KG
- Works with R2500, R3500, R4000 and S2000PRO power stations; check that the power, current and voltage match
What it is for
- RVs
- campers and trailers
- cabins and sheds
- boats
Specifications
| Rated power | 400 W |
|---|---|
| Weight | 7.9 kg (17.4 lb) |
| Dimensions | 122 × 65 × 1 cm (48.0 × 25.6 × 0.4 in) |
| Warranty | 2 years |
From the Allpowers page. Values the manufacturer does not publish are left out.
What is in the box
- 2 × SF400 200W Solar Panel
- 1 × User Manual
Connection and wiring
We have not linked an official manual for this model yet; see the Allpowers page.
Error codes and troubleshooting
Solar panels have no error codes; faults show on the connected charge controller or power station.
FAQ
How much energy does the Allpowers SF400 Flexible Solar Panel make per day?
About 600 Wh on a short winter day (2 peak sun hours) and 1650 Wh in summer (5.5 h), after 25 % losses for angle, heat and the charge controller. Rated 400 W.
How long does it take to recharge a 1,000 Wh power station?
About 0.6 sunny summer days or 1.7 winter days with this one panel. Check that the station's solar input accepts the panel's voltage.