Lightweight and compact, this 2600mAh portable battery recharges the battery in your smartphone. Good for 10 hours of talk time or 9 hours of internet, video use, or audio playback. Fits easily in a pocket or purse and charges USB-powered devices. LED indicator light shows the battery level. This 2600mAh portable battery charges up to one device on the go, providing up to10 hours of talk time or 9 hours of internet, video use, or audio playback.