Belkin BoostCharge 20K PD20W Power Bank Compact - BlackFast charge a smartphone, tablet, or other PD enabled device while simultaneously charging two other devices at standard speed. Take advantage of 20W shared power when you charge 3 devices at once. Overcharge protection gives a safe, powerful chargee. Built in overcharge protection supplies a safe, powerful charge for your peace of mind. Keep your smartphone and other devices safe while connected to the power bank. Adds up to 92 hours (4 days) of