This is a rechargeable Evolve 7.4V 5200mAh UTL-3978110-2S Battery . High quality and long lifetime, this UTL-3978110-2S battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for Evolve UTL-3978110-2S laptop have been tested and proven to match and/or exceed original battery performance and are 100% […]