FOSSiBOT SP100 Pro 100W Bifacial Foldable Solar Panel

A 100 W foldable panel with bifacial cells reaching up to 25% conversion efficiency. It weighs 3.1 kg, is IP67 waterproof, and comes with a 35° stand and an MC4-to-XT60 cable that plugs straight into a power station.

~~$162.08~~

6%$152.36

Price with code · Geekbuying · as of 2026-10-09

Code 26BTS01 · 6% off

max $20 · orders over $50 · until 2026-10-31

Copy code & shop Geekbuying

~~$162.08~~6%$152.36Copy code & shop Geekbuying

The bifacial panel catching light on both sides

1Bifacial cells, up to 25%

The front takes direct sun and the back catches light reflected from the ground, adding 10–15% in suitable conditions. Conversion efficiency reaches 25%, and bypass diodes limit losses from shaded cells.

23.1 kg, folds into a bag

It opens to 1040 × 602 mm, folds to 520 × 602 mm and weighs 3.1 kg. There’s a carry handle and a fixed 35° stand, plus a storage bag.

3IP67 and an aluminium frame

IP67 waterproofing, an aluminium frame and a fluorine-coated surface let it work from −10 to 70 °C. Series or parallel connections combine several panels for more power.

Key specs

Peak power: 100 W
Efficiency: Up to 25% (+10–15% from the back)
Water resistance: IP67
Size: 520 × 602 × 42 mm folded
Weight: 3.1 kg
Ships from: EU warehouse

Good pick if

You own a FOSSiBOT F1800, F2400, F3600 Pro or F7200
You want light solar charging for camping

Think twice if

You expect one panel to fill a big station quickly

FAQ

Is there a promo code?

Yes. Enter 26BTS01 at Geekbuying checkout when buying the FOSSiBOT SP100 Pro 100W Bifacial Foldable Solar Panel for 6% off. Conditions: max $20 · orders over $50 · until 2026-10-31.

Does it work with other power stations?

It uses standard MC4 connectors, so it also works with other solar systems that take MC4 or XT60 input.

What’s in the box?

The SP100 Pro panel, an MC4-to-XT60 cable, a storage bag and a manual.