B&G Poly Valve 2.5 Gallon
The lower-priced B&G with a poly valve, for pest and lawn treatments around a home.
Amazon $212.99$212.99
The B&G Poly Valve 2.5 Gallon is the better battery backpack sprayer overall, rated 3.0 to 2.9. The B&G Poly Valve 2.5 Gallon leads on value. The B&G Extenda-Ban 2.5 Gallon wins on features. The B&G Poly Valve 2.5 Gallon costs $140 less ($212.99 vs $352.99).
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.
B&G Extenda-Ban 2.5 Gallon
A pest-control sprayer with B&G’s brass Extenda-Ban valve, for professionals treating around buildings.
Amazon $352.99$352.99
Which should you buy?
- Choose the B&G Poly Valve 2.5 Gallon for value ($85.20 per gallon of tank ($212.99, 2.5 gal) vs $141.20 per gallon of tank ($352.99, 2.5 gal)).
- Choose the B&G Extenda-Ban 2.5 Gallon for features (battery and charger included, adjustable pressure, metal wand, gauge or control panel vs battery and charger included, adjustable pressure, gauge or control panel).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 4 gallons battery backpack sprayer; a clear win is highlighted. How we rank explains each one.
| Factor weight | B&G Poly Valve 2.5 Gallon | B&G Extenda-Ban 2.5 Gallon |
|---|---|---|
| Overall rating | 3.0/5 | 2.9/5 |
| Value 25% | 22 $85.20 per gallon of tank ($212.99, 2.5 gal) | 0 $141.20 per gallon of tank ($352.99, 2.5 gal) |
| Tank size 10% | 17 2.5 gal tank | 17 2.5 gal tank |
| Spray power 20% | 83 up to 95 PSI | 83 up to 95 PSI |
| Runtime or airflow 20% | 57 5 hours per charge | 57 5 hours per charge |
| Features 15% | 60 battery and charger included, adjustable pressure, gauge or control panel | 75 battery and charger included, adjustable pressure, metal wand, gauge or control panel |
| Warranty 10% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| B&G Poly Valve 2.5 Gallon | B&G Extenda-Ban 2.5 Gallon | |
|---|---|---|
| Spraying | ||
| Tank | 2.5 gal | 2.5 gal |
| Max pressure | 95 PSI | 95 PSI |
| Wand length | 12 in | 18 in |
| Power | ||
| Battery | 21 V 5.2 Ah, included | 21 V 5.2 Ah, included |
| Runtime per charge | 5 hours | 5 hours |
| Features | ||
| Adjustable pressure | Yes | Yes |
| Metal wand | No | Yes |
| Agitator | No | No |
| Gauge or control panel | Yes | Yes |