The BigBlue 28W Portable Solar Panel Charger offers high-efficiency outdoor power generation for smartphones, power banks, GPS units, and other small electronic devices. Featuring advanced N-type solar cells with a shadow-free surface design, the panels achieve up to a 25.4% energy conversion rate while reducing heat buildup for extended durability.

Triple-Port Output

Equipped with dual USB-C ports and one USB-A port, this charger delivers up to 5V/3A per port (5V/4.8A max overall) to power multiple devices simultaneously in direct sunlight. Built-in intelligent charging technology automatically optimizes output while protecting connected equipment.

Durable & Weather-Resistant

Constructed with a rugged polymer surface and IP44 water resistance, the folding panels withstand outdoor elements such as rain and fog. The lightweight, compact design folds down for convenient packing during hiking, camping trips, and emergency preparedness.

What’s in the Box

BigBlue 28W Solar Panel Charger
50 cm USB-C to USB-C Cable
Carabiners
User Manual

Brand	BigBlue
Model Number	B401D
Wattage	28 W
Output Ports	2x USB-C, 1x USB-A
Output Voltage	5 V
Output Current	3 A (Max per port), 4.8 A (Total max)
Solar Cell Efficiency	25.4%
Water Resistance Rating	IP44 (Panels only; junction box not waterproof)
Folded Dimensions	11 x 6 x 1.4 in
Item Weight	1.5 lb (671 g)
Form Factor	Folding
Enclosure Material	Monocrystalline Silicon
Power Source	Solar Powered