Replacement Battery for Medfusion 4000, Syringe Pump (22-4050-51, B11798) with Circuit Board

This Artisan Power battery is 100% compatible with the Medfusion 4000 Syringe Pump (With circuit board). The batterys 6900 mAh capacity is guaranteed to extend pump operating time by 47% over the 4700 mAh capacity rating of the original 22-4050-51 and B11798 batteries. Battery uses Japanese power cells which are proven to deliver maximum battery run time and total cycle life.