The Datamation DS-16BY-BC-E5 is an advanced UL-listed battery charger that can re-charge and maintain up to 16 batteries (6 cell or 9 cell) for Dell Latitude E5400/5410/5500/5510 laptops. Working with engineers with more than a decade of battery technology experience, we can now provide a compact, effective recharging strategy for organizations that want to maintain extra batteries for classes, training facilities, etc. This new charger makes use of the Dell™ batteries’ smart charge and quick-charge features and contains two bays that can be used to completely re-calibrate batteries, helping preserve their effective life and optimum use.