The LIND battery charger is designed for charging the battery pack for Panasonic Toughbooks. The charger uses the Panasonic laptop's 80 Watt or higher AC adapter as a power source or the charger can be powered from a Lind 80 or 120 Watt DC adapter. Panasonic Batteries: CF-VZSU30 CF-VZSU48 Panasonic Laptops: CF-18 CF-19 Panasonic Power Adapters: CF-AA1683AM CF-AA1653AM