Jackery · Folding bifacial (mini)
Jackery SolarSaga 40 Air
Solar savings: 2 panels — 10%; 3 panels — 13%; 4 panels — 15%; 5 panels — 18%. Maximum 5 panels per purchase; mix models. Panels inside kits do not count. Offers do not stack.
Based on 1 separately purchased panel after adding this selection. Final total is confirmed in your bag.
Overview & Key Strengths
Why this solar panel
The Jackery SolarSaga 40 Air is an ultra-featherweight 40W folding solar panel weighing just 1.98 lb (0.9 kg) — lighter than a 1-liter water bottle — designed for Jackery Explorer 100 Plus, 240 v2, and 300 Plus stations as well as direct USB-C/USB-A charging.
Its 4-fold book-style body slips easily into a daypack, sets up in seconds with corner grommets or its integrated prop stand, and carries an IP68 waterproof and dustproof rating.
- Ultra-compact Air series.
- TOPCon bifacial, up to 25% efficiency, BNPI ~47W.
- IP68.
- Tablet format.
- Charges gadgets and small Explorers directly.
- 900g.
- 1+2 year warranty.
Spec sheet
Full specs
- Brand
- Jackery
- Model / MPN
- JS-40B
- UPC / GTIN
- 810182241449
- Type
- Folding bifacial (mini)
- Rated Power
- 40 W
- Connector
- USB-A / USB-C + solar cable
- Weight
- 2 lb / 0.9 kg
- Folded / Panel Size
- 20.7 × 12.1 × 0.4 in / 52.5 × 30.7 × 1.0 cm (folded)
- Cell Chemistry
- Monocrystalline Silicon (ETFE)
- Cell Efficiency
- 23%
- Peak Power
- 40 W
- Direct USB Outputs
- 1 × USB-C (5V⎓3A), 1 × USB-A (5V⎓2.4A)
- Unfolded Dimensions
- 38.2 × 11.8 × 0.1 in (97.0 × 30.0 × 0.25 cm)
- Folded Dimensions
- 11.8 × 9.9 × 1.0 in (30.0 × 25.2 × 2.6 cm)
- Weather Resistance
- IP68 Waterproof & Dustproof
- Compatible Stations
- Jackery Explorer 100 Plus, 240 v2, 300 Plus, 500
Estimated full-sun charge time
- Small station (300 Wh)
- ~13 h
- Mid station (1,000 Wh)
- ~42 h
0–100% estimate for one panel in strong, direct sun with good angle. Clouds, haze, shade, and the station's own solar-input limit will slow this down in practice.
In action
Reference setups & field deployment
Jackery SolarSaga 40 Air charging compact gear at a forest picnic table
Weighs under 2 lb and charges both Jackery Explorer stations and USB-C/USB-A handheld devices.
Unfolded 4-panel monocrystalline layout
High-transmittance ETFE surface with signature Jackery orange trim and corner carabiners.
Tablet-sized folded profile
Folds down to 11.8 × 9.9 × 1.0 in for effortless backpack carry.
Highlights
Why it's worth it
- Ultralight 1.98 lb (0.9 kg) 4-fold design fits inside a standard hiking backpack
- Direct USB-C + USB-A ports on the junction adapter plus DC8020 port for Jackery stations
- 23%+ high-efficiency monocrystalline solar cells with durable ETFE lamination
- IP68 waterproof and dustproof rating for trail and campsite reliability
In the box
What's included
- Jackery SolarSaga 40 Air Solar Panel
- Multi-Function DC8020 & USB-A/USB-C Charging Cable
- 2 × Carabiners & User Manual
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