Lightweight and slim, this portable battery charger recharges the battery in your smartphone, tablet, Bluetooth or other mobile device. Delivers 3,000mAh or about 12.5 hours of talk, 10 hours of internet,10 hours of video use, plus 50 hours of audio playback and can charge any USB-powered devices. Smart design that fits easily in a pocket or purse and works with any device. LED Indicator shows the battery level. The Ventev powercell 3015 is a lightweight and compact portable battery charger that provides an additional 12.5 hours of talk time.