This document provides information about a replacement battery for the Symbol LS4278 Barcode Scanner. It summarizes the features of the HLS4278-M replacement battery, including that it contains high-quality battery cells, provides excellent discharge characteristics and cycle life, and extends operating time. Specifications of the replacement battery are also given, including the cell manufacturer, chemistry, voltage, capacity, dimensions, and warranty. Contact information is provided for Global Technology Systems, the manufacturer of the replacement battery.