Portable Power Bank 20000mAh

Never worry about a dead battery again with our ultra-high capacity 20,000mAh power bank. Fast-charging technology delivers up to 3A output, charging your devices at maximum speed while the intelligent LED digital display shows exact remaining power percentage. Dual USB ports allow simultaneous charging of two devices, perfect for sharing with travel companions or powering multiple gadgets. Built with advanced safety features including overcharge protection, short circuit prevention, and temperature control. The slim, portable design fits easily in bags and backpacks despite its massive capacity. Can fully charge most smartphones 4-5 times, tablets 2-3 times, and provides hours of extra power for laptops. Universal compatibility with all USB-powered devices. Care: Charge fully before first use and every 3 months when not in regular use. Avoid extreme temperatures. Clean ports with compressed air. Store at 50-80% charge for longevity.