This document provides specifications for a rechargeable lithium ion battery that can be used as a replacement for the OEM battery in Motorola/Symbol WT4090 devices. It lists the battery's dimensions, cell specifications including manufacturer, chemistry, voltage and capacity. It also describes features of the battery such as using GTS Genius Technology to monitor battery health and providing LED alerts, certified compatibility, high quality cells and rigorous testing. Contact information is provided for pricing and additional details.