Mini fridge for medication: how much battery you need
Mini fridge for medication draws about 40 W (25–70 W range), runs 40% of the time and uses 384 Wh per day. Start-up surge: 150 W.
~400 Wh a day; thermoelectric (Peltier) models draw constantly and use 2× more than compressor minis.
Battery needed
| Hours | Wh | Battery (Wh) | Inverter (W) |
|---|---|---|---|
| For 8 hours | 128 | 194 | 44 / 150 |
| For 24 hours | 384 | 582 | 44 / 150 |
| For 72 hours | 1152 | 1746 | 44 / 150 |
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Stations that fit (24 h)
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FAQ
How many watts does a Mini fridge for medication use?
Typically 40 W while running, with a range of 25–70 W depending on model and age. Start-up surge can reach 150 W.
How long will a 1000 Wh power station run a Mini fridge for medication?
About 41.3 hours on the clock, allowing for the 40% duty cycle, inverter losses and a 20% reserve.
What size power station do I need for a Mini fridge for medication overnight (8 h)?
About 194 Wh of battery and an inverter rated at least 44 W continuous with 150 W surge.
Can I run a Mini fridge for medication on solar during an outage?
You need roughly 256 W of panels in winter to replace a day's use (384 Wh), charging through a station with a big enough MPPT input.
Other appliances
1 Approximate values: estimated from motor or heater power and typical figures published online, not from a manufacturer chart. Check your appliance label.
Inverter efficiency 88%, usable depth of discharge 90%, reserve 20%. Full method: How we calculate. source