Tag archive: Energy Storage Systems

Backup Power | Watts Used by Appliance

Assure you have the electricity when you need it! HOW MANY WATTS DO YOU NEED? The speed (amps) and pressure (volts) of electricity are measured as watts (Amps * Volts = Watts).  So a 60 watt light bulb uses 120 Volts times 0.5 Amps for each hour it is left running (typically 7PM to midnight as an average).  Now batteries…