Name: MEGAWISE RZ 618-3
Brand: MEGAWISE
Price: 522.89 USD

3.5/5#13 of 22 in 110 V AC for power stations battery air conditioners
3.5

A small 110 V cool-and-heat unit for a tent or truck cab, sold by Amazon itself.

4,777 BTUCooling
2,730 BTUHeating
420 WRated power
110 V ACInput

Check price at Amazon$522.89

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

420 W draw suits a 1,000 W power station
Heats as well as cools
Sold and shipped by Amazon

Cons

Heat output is small at 800 W
Noise and weight not published
Costs more per BTU than most 110 V units

How it scores

The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its power input. How we rank explains each one.

Value $109.46 per 1,000 BTU ($522.89, 4,777 BTU)63
Efficiency 11.4 BTU per watt (420 W rated)100
Noise noise rating not published (neutral score used)50
Weight weight not published (neutral score used)50
Warranty 1-year warranty0

Specifications

Cooling and power
Model number	RZ 618-3
Cooling capacity	4,777 BTU
Heating capacity	2,730 BTU
Rated cooling power	420 W
Power input	110 V AC
Battery	Not included
Size and noise
App control	No
Warranty
Warranty	1 year