Is lithium battery a dual power source Why
240KW/400KW industrial rooftop - commercial rooftop - home rooftop, solar power generation system.
Makita BL1850B2DC2 18V LXT® Lithium-Ion Battery and Dual Port Charger Starter Pack (5.0Ah) ... Battery delivers consistent power and run time in extreme temperatures, even in winter (-4°F/-20°C) ... Power Source Battery Powered : Voltage 18 Volts : Wattage 90 watts : Item Package Quantity