The Chargeworx 2,000mAh Power Bank is equipped with power delivery technology that allows handling of higher power and a wide range of devices for a quick charge. With 20,000mAh capacity, this power bank provides up to 120 extra hours to your gadgets. Its smart detection sensor automatically warns you of potential performance problems and failure anomalies in your device. It also comes with safe-guard protection that ensures security when using the power bank. The LED battery life indicator shows the life of your power bank.