The M12 Lithium-Ion Battery Pack is built for high-torque applications and managed by Milwaukee’s exclusive REDLINK Intelligence. The battery comes with overload protection to prevent you from damaging your cordless power tools while the discharge protection prevents cell damage. The temperature management system and individual cell monitoring help maximize battery life. Use this high voltage lithium-ion battery pack to power your Milwaukee M28 cordless power tools. 48112830 48-11-2830