Key Features of Factory Waterproof Solar Power Bank 20000mAh
Dual USB ports enable simultaneous charging for two devices, optimized with 15W fast-charging technology for efficient power delivery. Constructed with premium Li-polymer battery cells, ensuring high energy density, lightweight design (only XXg), and extended lifespan up to 500+ charge cycles. IP67-rated waterproof and dustproof casing, reinforced with shock-resistant ABS+PC hybrid material, ideal for outdoor adventures, hiking, and emergency scenarios. Built-in high-efficiency monocrystalline solar panel for sustainable solar charging, providing backup power during travel or off-grid use (full solar charge: ~30 hours). Wireless charging compatibility (Qi-certified) supports 10W fast wireless charging for smartphones, eliminating cable clutter. Slim yet rugged unibody design (XXmm thickness) with anti-slip texture, featuring a precision-molded internal circuit board for stable voltage output. Includes intelligent safety protections: overcharge, short-circuit, and temperature control, certified by CE/FCC/RoHS. Ideal for globetrotters, campers, and emergency kits—combines portability (XXWH dimensions) with industrial-grade durability. Direct factory pricing, bulk order discounts available. Ships globally with wholesale-ready packaging.