* ASUS Asuspro B9440 Travel Charger. * This battery charger charges ASUS Asuspro B9440. * Advanced CMOS microcontroller chip manages the charging process for safe, rapid and reliable battery charging. * Include a free British standard type G power plug and socket convertor adapter for customers in the United Kingdom region. * Power off automatically when ASUS Asuspro B9440 battery is fully charged.