MEGAWISE RZ 618-3
A small 110 V cool-and-heat unit for a tent or truck cab, sold by Amazon itself.
Amazon $522.89$522.89
The MEGAWISE RZ 618-3 is the better battery-powered portable air conditioner overall, rated 3.5 to 3.4. The Outohome YA01 5100 BTU wins on value. The Outohome YA01 5100 BTU costs $152.90 less ($369.99 vs $522.89).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
Outohome YA01 5100 BTU
A 35 lb 5,100 BTU tent air conditioner that hides its power draw.
Amazon $369.99$369.99
Which should you buy?
- Choose the Outohome YA01 5100 BTU for value ($72.55 per 1,000 BTU ($369.99, 5,100 BTU) vs $109.46 per 1,000 BTU ($522.89, 4,777 BTU)).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 110 V AC for power stations battery-powered portable air conditioner; a clear win is highlighted. How we rank explains each one.
| Factor weight | MEGAWISE RZ 618-3 | Outohome YA01 5100 BTU |
|---|---|---|
| Overall rating | 3.5/5 | 3.4/5 |
| Value 30% | 63 $109.46 per 1,000 BTU ($522.89, 4,777 BTU) | 88 $72.55 per 1,000 BTU ($369.99, 5,100 BTU) |
| Efficiency 25% | 100 11.4 BTU per watt (420 W rated) | 50 rated cooling power not published (neutral score used) |
| Noise 15% | 50 noise rating not published (neutral score used) | 70 46 dB rated |
| Weight 10% | 50 weight not published (neutral score used) | 43 35 lb |
| Warranty 20% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| MEGAWISE RZ 618-3 | Outohome YA01 5100 BTU | |
|---|---|---|
| Cooling and power | ||
| Cooling capacity | 4,777 BTU | 5,100 BTU |
| Heating capacity | 2,730 BTU | - |
| Rated cooling power | 420 W | - |
| Power input | 110 V AC | 110 V AC |
| Battery | Not included | Not included |
| Size and noise | ||
| Weight | - | 35 lb |
| Noise | - | 46 dB |
| App control | No | No |
| Warranty | ||
| Warranty | 1 year | - |