This is a rechargeable ECS 10.8V 3350mAh TH10-3S3350-B1S1 Battery . High quality and long lifetime, this TH10-3S3350-B1S1 battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for ECS TH10-3S3350-B1S1 Electronics Equipment have been tested and proven to match and/or exceed original battery performance and are […]