Any battery-powered heater would operate by battery generating electricity to run an electric heater. A standard electric space heater is a 1,500W heater. Batteries have, as we have we surmised so far, too low a capacity to run battery-operated heaters anyway.

If you use a BTU to watt converter here, you see that you will need 1 7,585 watts. Even a big battery has a 1,200 Wh capacity. That will last for about 4 minutes. That’s it; it will drain the battery in a matter of minutes. Well, if we want to power a 1,500W heater for 1 hour with a battery, we will need a 125 Ah 12V battery. According to EPEC Engineering Technologies, such a 125 Ah 12V lead-acid battery weighs between 30 and 50 lbs. Outtake: It’s a 30-50 lbs battery that powers a heater for only 1 hour.Or even What are the Top 10 affordable (best budget, best cheap, or even best expensive!!!) Rechargeable Cordless Heater available? Etc. Tesla uses lithium-iron-phosphate (LFP) batteries. To be able to run a standard space heater for 1 hour, you would need a 1.5 lbs Tesla-quality battery. That’s durable, right? A Tesla battery-powered heater would last for 10 hours on a battery that only weighs 15 lbs… Due to high heating output and indoor safety features, the DEWALT DXH12B is the closest thing to the best battery-operated tent heater. It has a factory-installed Oxygen Depletion Sensor (ODS) and a thermoelectric safety valve. Both of these make the use of DEWALT DXH12B inside the tent much safer. If you’re looking for a battery-operated heater, you will find a grand total of 0 of them. That’s why if you want to enjoy off-grid heating for camping or for when there is a power outage, you basically have 3 choices.

Mr. Heater MH18B is the most popular battery-powered heater for camping alternatives. Its 1 lb propane tank can generate 4,000 BTU (low setting) to 9,000 BTU (high setting) of heating output. These standard battery-powered heater alternatives can produce 5,000+ BTU of heating output easily. They can warm you better than a camping fire and can keep your tent warm at night. Let’s look at the 3 best portable propane heaters that can heat you better than any pipedream battery-operated heater could:One of the most authentic (battery-wise) rechargeable cordless heaters you can make includes a power station. The power station is basically a big battery. It has multiple outlets; including USB charges and heater outlets. EF ECOFLOW DELTA is one of the best power stations that can be used to create a power station + electric heater combo that mimics battery-powered heaters very closely. With below 10 lbs total weight (9 lbs, to be exact), it is very portable. In fact, if there were a battery-operated heater for camping, it should have pretty much the same specifications as the Mr. Heater MH18B. Well, as we know, batteries are too small to be capable to generate enough electricity to sustain an electric heater for several hours. The best alternative for battery-powered heaters are the portable propane heaters.

Best Portable Power Station + Electric Heater: EF ECOFLOW DELTA Power Station (Can Be Recharged With A 12V Car Charger) Generac 7117 Gp2200I comes equipped with a 10 lbs propane tank that can generate the maximal 1,700W output for 2.7 hours. That means it will run a 1,500W heater at 100% heating output for a little more than 3 hours. Most such heaters also have a lower 750W setting; you will get at least 6 running hours by switching to that. Propane is actually a very rich power source. A single gallon of propane contains 91,500 BTU of heating power. The burning efficiency of propane is very close to 100% making these units very energy efficent. That’s very important when you want a portable heater. Now, if you want to use battery-powered heating for power outages (we all know what happened in Texas in February 2021), no battery will cut it. Power source accepts Makita 18V LXT® and Compact Lithium-Ion Batteries; features a 2.1A USB power port for charging portable electronic devicesThis power station has 1,800W running watts and 3,300W starting watts. This is the perfect battery used to power an electric heater. On top of that, you have a total of 13 outlets you can use to charge your phone and other devices. Best Battery-Operated Heater For Camping Alternative: Mr. Heater MH18B Propane Heater (4,000 / 9,000 BTU) Ok, there are no cordless heaters that would run on batteries, you might be thinking. What’s the next best thing? While a theoretical battery-powered heater for camping could last about 1-hour max., propane can last up to about 7 hours on a 1 lb tank of propane. As you will see below, these portable propane heaters have a 1 lb tank of propane attached to the heater.