4.2 Gallon Battery-Powered Backpack Sprayer: Features, Specs & How to Use It

Manual pumping is the worst part of spraying a yard. The NPGLOBAL 4.2 Gallon Battery-Powered Backpack Sprayer cuts it out entirely, delivering up to 100 PSI on demand so you can focus on covering ground instead of working a pump handle. It's built for gardening, lawn care, weed control, and fertilizing, and it scales from a quick spot-treatment to a full afternoon of yard work on one charge.

Key Features

• Battery-powered performance — no manual pumping, consistent pressure from first spray to last
• Up to 100 PSI — adjustable from 21.8–100 PSI to match the job
• 4.2-gallon tank — fewer refill trips over a large yard
• 8 interchangeable nozzles — mist, fan, stream, and more for different spray patterns
• Wide-mouth opening — faster to fill and easier to clean
• Comfortable backpack design — padded straps for all-day wear

How to Use It

1. Fill the tank through the wide-mouth opening and strain out debris with the built-in strainer.
2. Set your target pressure with the pressure-control knob (21.8–100 PSI).
3. Attach the nozzle that fits the job — a fine mist for foliar feeding, a stream for spot treatments up to ~14 ft away.
4. Pull the trigger (with trigger lock for long sprays) and go — the stainless steel telescopic lance keeps reach without extra bending.
5. Recharge the lithium battery in 7–10 hours for up to 20 tanks of runtime.

See it in action: Backpack Sprayer — Review and How to Use

Specifications

Shop the Backpack Sprayer