Enjoy convenient cordless charging of mobile devices. The Luxor KwikBoost EdgePower desktop charging station system is a total solution for laptops and mobile devices in workspace and classroom environments. The EdgePower eliminates extension cords by putting power right where you need it. This rechargeable power bank works with an EdgePower portable charging station system. A single EdgePower rechargeable battery can charge a typical laptop up to two times, an average smartphone up to 14 times, and a standard tablet up to four times. To create a complete system, the rechargeable battery requires a KwikBoost EdgePower clamp-on desktop charging unit. You also need your choice of a single battery charger, three-bay base charging station, or nine-bay base charging station (sold separately or in bundles). Battery cell recharge time: 2 hours. Easily interchangeable, allowing for uninterrupted use. 1-year manufacturer limited warranty. Safety Data Sheet . For additional battery conservation, a power save function automatically shuts the clamp off after 3 minutes when no devices are drawing power. Life cycles: 500 times (at higher than 80% of the initial capacity). Can charge a typical laptop up to two times, an average smartphone up to 14 times, and a standard tablet up to four times. Indicator lights keep you informed of charge level. Rechargeable battery provides hours of uninterrupted productivity. To create a complete system, the rechargeable battery requires a KwikBoost EdgePower clamp-on desktop charging unit. Overall dimensions: 2. 1"H x 3"W x 9. 1"D. Works with an EdgePower portable charging station system. Cell type: 18650 lithium-ion battery (2200mAh at 3. 7V), 18 cells. Input protection: charging overflow protection, charging circuit protection. Backlit on/off switch activates and deactivates AC outlet and USB charging ports to help conserve battery