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Best power stations for a space heater

Models with at least 1500 W continuous output, enough for a 1.5 kW space heater, and at least 2 hours of heat (heater cycling 70 % of the time). 65 of the 224 models we track qualify; here are the 10 most popular in the US, models sold on Amazon first.

What size you need: about 3182 Wh of rated capacity for 2 hours, and at least 1500 W of peak output to start it. That uses the same formula as our calculator; enter your own appliances there.

#	Model	Specs	Heating time
1	EcoFlow DELTA Pro 3	4096 Wh, 4000 W continuous, 8000 W peak, LiFePO4, 114 lb	3.1 h	Check on Amazon →
2	Anker SOLIX F3800 Plus	3840 Wh, 6000 W continuous, LiFePO4, 137 lb	2.9 h	Check on Amazon →
3	EcoFlow DELTA Pro Ultra X	12288 Wh, 12000 W continuous, 45000 W peak, LiFePO4, 76 lb	9.3 h	Check on Amazon →
4	EcoFlow DELTA Pro	3600 Wh, 3600 W continuous, 7200 W peak, LiFePO4, 99 lb	2.7 h	Check on Amazon →
5	EcoFlow DELTA 3 Ultra Plus	3072 Wh, 3600 W continuous, 7200 W peak, LFP, 74 lb	2.3 h	Check on Amazon →
6	Bluetti Apex 300	2764.8 Wh, 3840 W continuous, 7680 W peak, LiFePO4	2.1 h	Check on Amazon →
7	Jackery HomePower 3600 Plus	3584 Wh, 3600 W continuous, LiFePO4	2.7 h	Check on Amazon →
8	Anker SOLIX F3000	3072 Wh, 3600 W continuous, 7200 W peak, LFP, 91 lb	2.3 h	Check on Amazon →
9	Bluetti Elite 300	3014 Wh, 2400 W continuous, 4800 W peak	2.3 h	Check on Amazon →
10	EcoFlow DELTA Pro Ultra	6144 Wh, 7200 W continuous, 10800 W peak, LiFePO4, 70 lb	4.6 h	Check on Amazon →

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The picks in short

EcoFlow DELTA Pro 3

4096 Wh, 4000 W continuous, 8000 W peak, LiFePO4, 114 lb. Runs the space heater 1500 w about 3.1 h on a full charge. Specs from the EcoFlow page.

Anker SOLIX F3800 Plus

3840 Wh, 6000 W continuous, LiFePO4, 137 lb. Runs the space heater 1500 w about 2.9 h on a full charge. Specs from the Anker SOLIX page.

EcoFlow DELTA Pro Ultra X

12288 Wh, 12000 W continuous, 45000 W peak, LiFePO4, 76 lb. Runs the space heater 1500 w about 9.3 h on a full charge. Specs from the EcoFlow page.

EcoFlow DELTA Pro

3600 Wh, 3600 W continuous, 7200 W peak, LiFePO4, 99 lb. Runs the space heater 1500 w about 2.7 h on a full charge. Specs from the EcoFlow page.

EcoFlow DELTA 3 Ultra Plus

3072 Wh, 3600 W continuous, 7200 W peak, LFP, 74 lb. Runs the space heater 1500 w about 2.3 h on a full charge. Specs from the EcoFlow page.

Compare the picks

Questions

What size power station do I need for a space heater 1500 w?

About 3182 Wh of rated capacity for 2 hours of a 1500 W space heater 1500 w running 70 % of the time, after inverter and battery losses and a reserve. The power station also needs at least 1500 W peak output to start it. Your device's label gives the real watts.

How were these power stations chosen?

Models with at least 1500 W continuous output, enough for a 1.5 kW space heater, and at least 2 hours of heat (heater cycling 70 % of the time). 65 of the 224 models we track match; we list 10, models sold on Amazon first, then by US popularity. We have not tested them; the numbers are the makers' published specs.

Which is the most popular power station on this list?

The EcoFlow DELTA Pro 3: 4096 Wh, 4000 W continuous, 8000 W peak, LiFePO4, 114 lb. Heating time: 3.1 h.

Run times assume the appliance alone, typical duty cycle, inverter and usable-capacity losses, as in the calculator. Specs as published by the makers; checked dates are on each model page. All portable power stations · Other lists