Greenworks 80V 4 Gallon
A low-priced 4-gallon kit with a long runtime, for owners of Greenworks 80V tools.
Amazon $189.89$189.89
The Greenworks 80V 4 Gallon is the better battery backpack sprayer overall, rated 3.6 to 2.6. The Greenworks 80V 4 Gallon leads on runtime or airflow, value and spray power. The Solo 442 18V wins on features. The Greenworks 80V 4 Gallon costs $263.09 less ($189.89 vs $452.98).
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.
Solo 442 18V
#16 in 4 gallons and upFull review
A commercial-style 18 V sprayer with set pressure steps and a gauge, for applicators who need repeatable rates more than a low price.
Amazon $452.98$452.98
Which should you buy?
- Choose the Greenworks 80V 4 Gallon for runtime or airflow (50 tanks per charge (200 gal) vs 2.5 hours per charge), value ($47.47 per gallon of tank ($189.89, 4 gal) vs $113.25 per gallon of tank ($452.98, 4 gal)) and spray power (up to 70 PSI vs up to 60 PSI).
- Choose the Solo 442 18V for features (battery and charger included, adjustable pressure, gauge or control panel vs battery and charger included, 4 or more nozzles).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 4 gallons and up battery backpack sprayer; a clear win is highlighted. How we rank explains each one.
| Factor weight | Greenworks 80V 4 Gallon | Solo 442 18V |
|---|---|---|
| Overall rating | 3.6/5 | 2.6/5 |
| Value 25% | 59 $47.47 per gallon of tank ($189.89, 4 gal) | 4 $113.25 per gallon of tank ($452.98, 4 gal) |
| Tank size 10% | 67 4 gal tank | 67 4 gal tank |
| Spray power 20% | 61 up to 70 PSI | 50 up to 60 PSI |
| Runtime or airflow 20% | 100 50 tanks per charge (200 gal) | 21 2.5 hours per charge |
| Features 15% | 45 battery and charger included, 4 or more nozzles | 60 battery and charger included, adjustable pressure, gauge or control panel |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Greenworks 80V 4 Gallon | Solo 442 18V | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 4 gal |
| Max pressure | 70 PSI | 60 PSI |
| Nozzles included | 5 | - |
| Wand length | - | 20 in |
| Hose length | - | 48 in |
| Power | ||
| Battery | 80 V 2 Ah, included | 18 V, included |
| Runtime per charge | - | 2.5 hours |
| Gallons per charge | 200 gal | - |
| Tanks per charge | 50 | - |
| Features | ||
| Adjustable pressure | - | Yes |
| Metal wand | - | No |
| Agitator | No | No |
| Gauge or control panel | No | Yes |