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Parts

Sonoff DC uController

Temperature Probe

Small Pure Sine Inverter (300w - size depends on fridge)


Diagram


Fridge Specifications

Running Power70 w
Amperage @120V0.6 A
Amperage @12V6 *1.2 = 7.2A
Power Using Inverter

50*1.2 = 60w

70*1.2 = 84w


60-85w

Idle Power 40 w
Amperage @120V0.6A


Batteries

BatteryAhWatts
Battery 1110Ah1.3 kw
Battery 2110Ah1.3 kw
TOTAL220Ah2.6 kw


Runtime Calculation


Battery Power2600 w

Daily Power Consumption

(70w*24)

1600 w

< 2 days


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