Genesis Rescue Systems offers two battery options. End users can choose from the Genesis proprietarybattery system or our most popular option, the Milwaukee 28v battery system .Genesis users will never have to worry about discontinued products from third party companies. The manufacturing of our battery iscompleted in the same  factories as our competitors. The Genesis proprietary battery uses the same number of  battery cells as the Milwaukee 28V and users will see no difference in performance. The user can also swap between both battery systems seamlessly.