Foldable Solar Panel Pack 21W 28W – Ultra-Portable & High-Efficiency Charging Solution
Premium monocrystalline solar cells deliver 21W/28W max output for rapid charging. Ultra-lightweight ETFE material enhances durability while resisting water, dust, and scratches. Compact tri-fold design fits effortlessly into backpacks for camping, hiking, or emergency kits. Integrated USB output directly powers phones, tablets, and small devices without bulky power banks. Smart IC chip adjusts voltage automatically to prevent overcharging. Reinforced stitching and anti-slip brackets ensure stability on uneven terrain. Ideal for outdoor adventures, RV trips, or off-grid power backup. Direct wholesale pricing – bulk orders available for resellers and eco-conscious retailers. Globally compliant with CE/ROHS certifications.