A lithium 4.5-gallon sprayer from a long-time sprayer maker, for homeowners who want a long runtime without fuss.
Amazon $249.93The Solo 417-Li is the better battery backpack sprayer overall, rated 3.1 to 2.9. The Solo 417-Li leads on value and tank size. The Jacto PJB-16 wins on warranty, spray power and features. The Solo 417-Li costs $113.06 less ($249.93 vs $362.99).
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.
A light, commercial-grade Brazilian sprayer with an electronic pressure panel, for pros who carry it all day.
Amazon $362.99Which should you buy?
- Choose the Solo 417-Li for value ($55.54 per gallon of tank ($249.93, 4.5 gal) vs $86.43 per gallon of tank ($362.99, 4.2 gal)) and tank size (4.5 gal tank vs 4.2 gal tank).
- Choose the Jacto PJB-16 for warranty (3-year warranty vs 1-year warranty), spray power (up to 70 PSI vs up to 62 PSI) and features (battery and charger included, adjustable pressure, gauge or control panel vs battery and charger included, adjustable pressure).
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 | Solo 417-Li | Jacto PJB-16 |
|---|---|---|
| Overall rating | 3.1/5 | 2.9/5 |
| Value 25% | 49 $55.54 per gallon of tank ($249.93, 4.5 gal) | 21 $86.43 per gallon of tank ($362.99, 4.2 gal) |
| Tank size 10% | 83 4.5 gal tank | 73 4.2 gal tank |
| Spray power 20% | 52 up to 62 PSI | 61 up to 70 PSI |
| Runtime or airflow 20% | 39 3.7 hours per charge | 0 runtime not published, scored as zero |
| Features 15% | 50 battery and charger included, adjustable pressure | 60 battery and charger included, adjustable pressure, gauge or control panel |
| Warranty 10% | 0 1-year warranty | 50 3-year warranty |
Specifications
| Solo 417-Li | Jacto PJB-16 | |
|---|---|---|
| Spraying | ||
| Tank | 4.5 gal | 4.2 gal |
| Max pressure | 62 PSI | 70 PSI |
| Max flow | - | 0.6 GPM |
| Wand length | 28 in | 23.6 in |
| Hose length | 55 in | 53.1 in |
| Power | ||
| Battery | 11 V 7.8 Ah, included | 14.5 V 5.8 Ah, included |
| Runtime per charge | 3.7 hours | - |
| Features | ||
| Adjustable pressure | Yes | Yes |
| Metal wand | No | - |
| Agitator | No | No |
| Gauge or control panel | No | Yes |
| Build | ||
| Weight | - | 9.7 lb |
| Warranty | 1 year | 3 years |
