This is a rechargeable Rokid 3.7V 4.2V 4000mAh 14.8WH BA1801CB Battery . High quality and long lifetime, this BA1801CB battery lets you work seamlessly when you are on the move for business trips or vacations. All our Li-ion replacement batteries for Rokid BA1801CB Speaker have been tested and proven to match and/or exceed original battery performance and […]