18Wh DAK822470K Battery For Microsoft Surface Book 1st Gen 1703 1704 1705 1785
DAK822470K G3HTA020H. Capacity: 18Wh. Microsoft Surface Book 1 CR7 CR7-00005. For Microsoft Surface CR7 13.5". Microsoft Surface Book 1 CR7 CR7-00007. If run the battery shut down often, it will shorten the battery life.