Universal 98 Whr External Portable Battery Pack for LaptopsThis lithium-polymer universal external laptop battery from LaptopBatteryExpress.com is the ultimate in portable power pack technology.This universal external laptop battery works with these laptops:* Acer * Asus * Compaq * Dell * Gateway * HP * IBM * Lenovo* Panasonic* MSI * eMachines * Sony * Toshiba* Portable gaming device This battery is rated at 98 Whr (watt hour). This is just under the 100 Whr limit which the FAA allows to be brought onto an airplane as a single battery. Neither this or any other battery can be placed in your luggage aboard an airplane. This external laptop battery power pack can deliver uninterrupted power of 4 to 6 hours for most laptops depending on your power settings.This battery pack when plugged into your laptop will power the laptop but it will not recharge your internal battery. Any time a power source is connected to your laptop's power port socket, the laptop will switch to that power source as it's primary power and your internal battery will remain as your backup power. Part Number: AM-MP98Brand: ENERGY+Type: Li-IonSwitchable Voltage: 15V 16V 18V 19V 20V 24VCapacity: 98 mAhColor: Medium Grey BlueSize: 8.09 x 4.86 x 1.14Contacts: Wire Leads ConnectorWarranty: 12 MonthsBattery Pack includes these components:*98 Watt Hour Mobile Battery Pack.*Rubberized and durable hard plastic case weighs only 2.65 lbs.*Includes output cables, power cords, and status lights.*Built in fuel gauge reports charge status level.*Designed to be recharged from your computer's AC adapter.*75W Continuous Current, 88W Peak For 8 Seconds.*DC Jack Adapter Cables.*DC Output Cable and DC Plugs.*Complete User Manual.This external battery for laptops is NOT compatible with Apple laptops.