Batteries MWL Power MW series are characterized by a life 10-12 years. According to EUROBAT. They are designed for use in emergency power systems, especially where power reliability is presented in the first place. UPS systems, backup power supply in telecommunications and automatic control are the main application. MWL MW series Batteries can also be used as main power source in systems operating cyclically and energy storage in renewable energy systems such as photovoltaic systems, off-grid.