Anker 525 Power Bank (PowerCore Essential 20K) - High-Capacity Portable Charger

Features:

• Massive 20,000mAh Capacity
• Dual USB Output
• High-Speed Charging
• Power IQ and Voltage Boost technologies 
• Universal Compatibility
• USB-C Input for Quick Recharge
• MultiProtect Safety System
• Durable Exterior
• LED Power Indicator
• Trickle-Charging Mode
• 18-Month Warranty