Pool pump 1.5 HP: how much battery you need1
Pool pump 1.5 HP draws about 1500 W (1500 W range), runs 100% of the time and uses 12000 Wh per day. Start-up surge: 3500 W.
Estimate from motor power; usually 240 V.
Battery needed
| Hours | Wh | Battery (Wh) | Inverter (W) |
|---|---|---|---|
| For 8 hours | 4000 | 6061 | 1651 / 3500 |
| For 24 hours | 12000 | 18182 | 1651 / 3500 |
| For 72 hours | 36000 | 54546 | 1651 / 3500 |
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Stations that fit (24 h)
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FAQ
How many watts does a Pool pump 1.5 HP use?
Typically 1500 W while running, with a range of 1500 W depending on model and age. Start-up surge can reach 3500 W.
How long will a 1000 Wh power station run a Pool pump 1.5 HP?
About 0.4 hours on the clock, allowing for the 100% duty cycle, inverter losses and a 20% reserve.
What size power station do I need for a Pool pump 1.5 HP overnight (8 h)?
About 6061 Wh of battery and an inverter rated at least 1651 W continuous with 3500 W surge.
Can I run a Pool pump 1.5 HP on solar during an outage?
You need roughly 8000 W of panels in winter to replace a day's use (12000 Wh), charging through a station with a big enough MPPT input.
Other sizes
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.