A 4-gallon sprayer with battery and charger that runs all day on a charge, for homeowners and small crews spraying large lawns or acreage.
Amazon $199.99The PetraTools HD4000 is the better battery backpack sprayer overall, rated 3.9 to 3.1. The PetraTools HD4000 leads on features, value and spray power. The PetraTools HD4000 costs $184.01 less ($199.99 vs $384).
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 4-gallon bare tool for Makita 18V LXT owners who want a long-running sprayer on batteries they already have.
Amazon $384Which should you buy?
- Choose the PetraTools HD4000 for features (battery and charger included, adjustable pressure, 4 or more nozzles, gauge or control panel vs none of the listed features), value ($50 per gallon of tank ($199.99, 4 gal) vs $96 per gallon of tank ($384, 4 gal)) and spray power (up to 90 PSI vs up to 73 PSI).
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 | PetraTools HD4000 | Makita XSU02Z 4 Gallon |
|---|---|---|
| Overall rating | 3.9/5 | 3.1/5 |
| Value 25% | 56 $50 per gallon of tank ($199.99, 4 gal) | 14 $96 per gallon of tank ($384, 4 gal) |
| Tank size 10% | 67 4 gal tank | 67 4 gal tank |
| Spray power 20% | 79 up to 90 PSI | 64 up to 73 PSI |
| Runtime or airflow 20% | 100 50 tanks per charge (200 gal) | 92 41.2 tanks per charge (165 gal) with a battery sold separately |
| Features 15% | 75 battery and charger included, adjustable pressure, 4 or more nozzles, gauge or control panel | 0 none of the listed features |
| Warranty 10% | 0 warranty not published, scored as none | 50 3-year warranty |
Specifications
| PetraTools HD4000 | Makita XSU02Z 4 Gallon | |
|---|---|---|
| Spraying | ||
| Tank | 4 gal | 4 gal |
| Max pressure | 90 PSI | 73 PSI |
| Nozzles included | 6 | - |
| Wand length | 34.5 in | - |
| Power | ||
| Battery | 12 V 8 Ah, included | 18 V, sold separately |
| Runtime per charge | 6 hours | 6 hours |
| Gallons per charge | 200 gal | 165 gal |
| Tanks per charge | 50 | 41.2 |
| Features | ||
| Adjustable pressure | Yes | - |
| Agitator | No | No |
| Gauge or control panel | Yes | No |
| Build | ||
| Warranty | - | 3 years |
