Powerology 10000mAh Ultra-Compact PD Power Bank - is an ultra-compact portable power source that safely charges your smartphones and other digital devices in minimum time thanks to its optimal 10000mAh battery capacity and Power Delivery (PD) fast charging support. Its lightweight and ergonomic construction fits easily into the palm of your hand, making it extremely convenient to carry in a pocket or bag during daily commutes and travels. The built-in smart protection system reliably safeguards connected devices from overvoltage, overheating, and short circuits.