BigBlue 28W 3-Port USB Portable Solar Panel Charger with Waterproof Polymer Surface
Click for pricing and details on the retailer's site
Why We Chose This Product:
The BigBlue 28W combines 25.4% efficiency N-type solar cells with a light 1.5 lb quad-folding design that easily fits inside a daypack. Its triple USB output interface automatically balances current across connected devices, ensuring reliable off-grid charging without adding unnecessary bulk to your pack.
Who Is It For:
Backpackers, campers, and travelers who need a lightweight, packable solar charger for smartphones, power banks, and small USB electronics. If you need to power 12V automotive batteries or heavy AC appliances, look at a rigid panel kit or solar generator instead.
N-type solar cells convert up to 25.4% of sunlight into usable power
Foldable 1.5 lb frame packs down to 11 x 6 inches for backpack storage
Lacks integrated USB-C Power Delivery ports for high-draw devices
Tech specs:
- Wattage
- 28W
- Weight
- 1.5 lbs
- Outputs
- 1 USB-A, 2 USB-C
- Efficiency
- 25.4%










































































