SunJack 40W Foldable Waterproof Solar Panel — ETFE Monocrystalline, PD30W USB-C & IP67 Ports

The SunJack 40 Watt Foldable and Waterproof Solar Panel is a rugged, travel-ready solar charger that delivers up to 40W to power phones, tablets, power stations and USB devices while resisting harsh weather.

Compact and thoughtfully engineered, this 4-panel solar array combines high-efficiency ETFE monocrystalline cells with IP67-rated ports, integrated kickstands and carabiners for versatile outdoor mounting. It folds down to the size of a tablet for easy transport and includes multiple adapters so you can connect DC and USB devices without hunting for cables at the trailhead.

How much power can this solar panel actually produce in the field?

Under good sunlight the SunJack 40W panel can produce up to 40 watts of solar power, enough to fast-charge phones and top up portable power stations. Actual output depends on sun intensity, panel angle and weather conditions.

• Peak output: up to 40W with high-efficiency ETFE monocrystalline cells.
• Multiple outputs: PD30W USB-C, dual USB-A (QC3.0) and a DC output for power stations.
• Simultaneous charging supported by an internal IC chip—charge USB and DC devices at once.
• Includes adapter cable and 10 DC adapter plugs for broad compatibility.

Is this panel durable and weather-resistant enough for camping?

This panel is built for outdoor use: rugged ETFE laminate and IP67-rated waterproof ports protect sensitive electronics from rain, dust and accidental splashes. The design includes reinforced corners and a durable folding shell to withstand travel wear.

• ETFE surface resists scratches, fading and moisture for long-term performance.
• IP67-rated ports protect against full dust ingress and temporary water immersion.
• Carabiners and integrated kickstands let you hang, prop, or angle the panel on varied terrain.
• Collapsible 4-panel layout folds down to tablet size for backpack-friendly carry.

What devices can I charge and how fast will they charge?

The SunJack 40W supports a wide range of gadgets: phones, tablets, USB-C laptops within PD limits, camera batteries, and most portable power stations via the DC output. The PD30W USB-C port delivers faster charging for compatible phones and tablets, while QC3.0 USB-A ports speed-charge older devices.

• PD30W USB-C for modern phones and small tablets with quicker charge profiles.
• Dual USB-A QC3.0 ports for rapid charging of legacy devices.
• DC output compatible with many power stations (adapter cable and 10 plugs included).
• Internal smart IC distributes power to multiple ports safely and efficiently.

How easy is it to set up and carry on a trip?

Setup is straightforward: unfold the four panels, use the kickstands to angle toward sun, or hang with the included carabiners. When you’re done, fold the array to tablet size and stow it in your pack for minimal bulk and weight.

• Folds compactly to roughly tablet dimensions for convenient transport.
• Integrated kickstands allow quick angling without extra gear.
• Carabiners let you hang the panel from backpacks, branches, or A-frames.
• Includes adapters, carabiners, manuals and a quickstart guide for immediate use.

Who is this for? The SunJack 40W is designed for outdoorspeople, weekend campers, van-lifers and anyone who needs dependable mobile power without hauling heavy gear. It’s ideal for travelers who value lightweight, weather-resistant equipment and for creators or remote workers who need steady USB-C charging on the go. Backed by design and support from a US-based company, it’s also suited to buyers who want simple setup, broad device compatibility and accessible customer service.