12
*For this Renogy inverter, the battery bank will be 12 volts direct current (12 VDC)
700 Watts to run microwave using the batteries as if it
was a 12VDC microwave requires 58 Amps
700 Watts / 12 Volts = 58 Amps
Now that amps have been determined, the amps hours
need to be determined. The microwave will be used for
approximately 3 hours a day.
58 Amps * 3 hours = 174 Ah
At least a 174 Ah battery must be selected in order to use the 700 Watt microwave at
3 hours a day. However, determining a battery size is also dependent on the battery
that is able to handle repeated discharge/charge cycles.
NOTE: This is just an example. Actual quantities vary by battery capacity and rates
of discharge.
NOTE: In the example above, the user would need to be using at least the Renogy
1000W Pure Sine Wave Inverter.
Grounding
The Renogy Pure Sine Wave inverters come equipped with a grounding lug for
appropriate grounding to earth ground or to another designated ground (For example, a
metal frame of an RV). The connections to ground must be tight and against bare metal.
Whether using the inverter in a mobile application, such as an RV or in a building,
grounding is highly recommended. The recommended wire size for grounding is 10
AWG insulated copper strand wire. For more information regarding grounding, users
and/or installers must consult with the Local and National Electric Codes (NEC) for
more specific grounding regulations and suggestions as they can change per scenario.
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