maXpeedingrods BM90JP Portable Diesel Heater, 5 kW

The maXpeedingrods BM90JP is a portable diesel heater listed with 5,000 watts of heat output and a 12-volt supply. Its self-generating design, remote control and USB output are aimed at outdoor heating, including tent use, but the listing does not specify how self-generation operates or its conditions.

At a glance

The manufacturer describes a self-generating design intended to avoid external power, but gives no operating details for that claim.
Remote control is listed for operation.
A USB output is claimed for small lights, phones and other lighting equipment when sufficient power is available.
The manufacturer claims a muffler and sound-insulating foam reduce operating noise.
Fuel consumption is listed as 0.17–0.48 litres per hour.

Price

£552.48Save 15%

Reference price: ~~£649.99~~

Price checked: 12 Nov 2026

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Pros and cons

Pros

Portable all-in-one design is presented for use across outdoor settings such as camping, boats and vehicles.
The stated 12-volt supply and remote control are relevant to vehicle or campsite setups.
USB output may provide power for small devices when sufficient power is available.

Cons

Listed weight is 19700 Grams, so portability still involves moving a 19.7 kg unit.

Technical specifications

13 specifications

Identity
Brand	maXpeedingrods
Model	BM90JP

Heating and fuel
Listed heat output	5000 Watts
Fuel type	diesel
Fuel consumption	0.17–0.48 liters per hour

Electrical
Voltage	12 Volts
Amperage	12 Amps

Dimensions and installation
Form factor	Portable
Weight listed	19700 Grams

Other details
Colour	Tan
Listed use	Outdoor
Recommended use	Tent
Country of origin	China

What to know before buying

Listing details to confirm

The listing calls the heater self-generating and says it needs no external power, while also giving a 12-volt supply and 12-amp rating. It does not explain how these claims relate or specify the conditions for USB output, so confirm the power arrangement and operating requirements before buying. The stated noise reduction is a manufacturer claim, not a quantified noise level. Follow the installation instructions for the exhaust and hot surfaces.

Who is it for?

A good fit for

Campers or outdoor users seeking a portable diesel heater for tent, vehicle or boat applications.
Buyers who can confirm the heater's power requirements and have a suitable installation plan.

Less suited to

Buyers needing a clearly documented power setup or verified noise level before purchase.
Anyone unable to handle or transport a 19.7 kg heater.

maXpeedingrods BM90JP Portable Diesel Heater, 5 kW · photo 2 — Additional product photo 2

Customer reviews on Amazon

3.6 / 5 · 4 ratings

5 stars66%66%
4 stars0%0%
3 stars0%0%
2 stars0%0%
1 star34%34%

The available aggregate ratings are mixed, with a majority in the five-star category but a substantial one-star share. The sample is very small, and no written customer comments are supplied, so it does not establish specific strengths or faults. For buyers, the key practical questions remain the unclear self-generating versus 12-volt power arrangement and the unquantified noise claim.

Frequently asked questions

Does the BM90JP need an external power supply?

The listing describes it as self-generating and says external power is not needed, but also lists a 12-volt supply and 12-amp rating. It does not explain how these statements fit together, so confirm the required power arrangement before buying.

What fuel consumption does the listing give?

It states 0.17–0.48 litres per hour. Actual consumption conditions are not specified.

Can it charge or power a phone?

The listing claims a USB output for phones and small lights when sufficient power is available. It does not specify the USB output rating.

Is it described as quiet?

The manufacturer claims a muffler and sound-insulating foam reduce operating noise, but no measured noise level is provided.