This is a rechargeable B&L-Beta 3.7V 1620mAh WL-B1 Battery . High quality and long lifetime, this WL-B1 battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for B&L-Beta WL-B1 Electronics Equipment have been tested and proven to match and/or exceed original battery performance and are […]