Abstract: The present invention is directed to a standard high volume battery charger that is capable of applying a seasoning cycle to batteries disposed within it as well as display battery measurements on a monitor through a user interface serial port. This battery charger comprises an enclosure including a power supply, a user interface connector and disposed with at least one sub-module comprising a mode control board and battery cavity. The mode control board has a user interface front panel, which is comprised of a battery section, battery status panel and a system status panel. The system status panel has disposed upon it two switches, that control the operation of the sub-module, which enable a user to select the application of a seasoning cycle to the batteries in the charger.