• Spray for 10 hours on a single charge. 

  • Quickly cover large areas all day with no down time or hassle to recharge the battery. 

  • Translucent 4-gallon tank makes it easy to see liquid level.

  • Chemical resistant shoulder straps with adjustable pads make it more comfortable to carry.

  • The large tank opening for easy filling has a built-in filter for keeping dirt and debris out of tank to reduce clogging.

  • Four included nozzles allow you to choose the best spray pattern for your application. 

  • See complete specifications


The Hudson® NeverPump™ Bak-Pak® is the convenient, easy way to carry enough fluid to handle larger jobs.



High performance, rechargeable battery-powered pump sprays up to 10 hours (600 minutes) on a single charge. No need to recharge while on the job site, up to 10 hours of spray time means enough power to completely drain the 4 gallon tank many, many times over with no down time or hassle to recharge the battery. Charge for 9 hours overnight and spray all day tomorrow.

Take advantage of the reliable
built-in lead acid battery.

The battery included with the NeverPump™ will not slowly degrade its power source and it consistently brings 600 minutes at full 60 psi strength with each charge.

Lithium Ion Battery Level Performance 

NeverPump™ Battery Performance 

After time, battery power weakens.
Will not last long enough to finish the job.

Runs at full power for 10 hours.
Enough strength to last the entire day.

Spray for 10 hours on a single charge. Quickly cover large areas all day with no down time or hassle to recharge the battery.

1.75 hours

10 hours

Similar battery operated sprayers require purchasing additional batteries to achieve comparable spray times, costing you twice the purchase price of the sprayer.

Spray for 10 hours on a single charge. Quickly cover large areas all day with no down time or hassle to recharge the battery.

Ideal for spraying cleaners, sealers, mildew removers, etc., on wood decks, siding, fences and outdoor furniture.   

Great for nursery and greenhouse spraying. Use for spraying turf gardens and small trees with herbicides, pesticides, and other types of fungicides. 

Terrific way to spray fruit trees, larger lawns, farm and ranch use, and more.

Portability for Larger Jobs.
Use on Decks, Fences, & Furniture
Kill Weeds & Bugs



The Hudson® Neverpump™ Bak-Pak® sprayer is consistently awarded the best reviews in the industry.  Available at these fine merchants, see what real users had to say.

I really like the ability to lightly squeeze the trigger and get the smallest stream I have ever been able to get out of any sprayer.

Great price a reliable product that never fails.
Never had a problem with battery staying charged. I use this back pack about 2 to 3 times aweek.

Easy to operate, easy to clean, and extremely efficient. I can spray all the foliage for 250 dahlia plants in less than 2 hours.

National Capital Dahlia Society


Add mix.

pump again.


With over a century of global manufacturing experience in the sprayer business, H.D. Hudson Manufacturing Company knows and understands the demands and needs of sprayer users in various markets and brings to our customers the best features in spraying products that meet or exceed your expectations. 


Your purchase comes with a one-year limited warranty and great customer service is available via our telephone hotline or online anytime.


Call us toll-free for more information.


​© 2017 H.D. Hudson Manufacturing Company

Browse our complete line of sprayers at hdhudson.com.

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