Search  for anything...

Battery Powered Backpack Sprayer 4 Gallon, Self-Cleaning Garden Sprayer, 4.9Ah Ultra-Long Power Supply Lithium Battery Sprayer for Weeding, Cleaning, No Gear Limit, Variable Pressure

  • Based on 213 reviews
Condition: New
Checking for product changes
$279.95 Why this price?

Buy Now, Pay Later


As low as $46.66 / mo
  • – 6-month term
  • – No impact on credit
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout. Payment plans are offered through our trusted finance partners Klarna, PayTomorrow, Affirm, Afterpay, Apple Pay, and PayPal. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

This item is eligible for return within 30 days of receipt

To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.

To initiate a return, please visit our Returns Center.

View our full returns policy here.


Availability: In Stock.
Fulfilled by Amazon

Arrives Wednesday, Nov 27
Order within 19 hours and 1 minute
Available payment plans shown during checkout

Features

  • Variable PressureNo gear limit! Dialing the knob between 8 psi to 116 psi depending on which you need, let the flow rate from drizzle to violent storm. Rotate the knob easily to select the satisfactory speed for your electric sprayer
  • Exclusive Patented TechnologyThe first battery backpack sprayer with self-cleaning technology reduces the waste of raw materials effectively. Start the self-cleaning function in time to earn a longer service life for you
  • 4 Hours& 58gallon OutputLarge pump and double capacitor capacity, this battery powered sprayer provides up to 4h of spraying time and up to 58gal+ total output per charge, your spraying distance can exceed 33+ feet
  • Double Waterproof- Our sprayer in lawn and garden is equipped with a high-quality 18V/4.9Ah Samsung lithium battery equipped with waterproof treatment and overload protection. Long-life Battery and quick charger allow charging to be completed in 1.5 hours
  • Customer Oriented ALIENTABI is a customer-centric brand. Before the sprayer is sent out, the factory will conduct a series of quality inspections on the machine, including a water leakage test, so some products will have residual water stains inside the box, which will not affect the use. If you receive the goods and think there is a problem, You can contact us and we will help you solve product problems within 24H.

Brand: ALIENTABI


Tank Volume: 4 Gallons


Material: Polypropylene (PP)


Style: Modern


Power Source: Battery Powered


Brand: ALIENTABI


Tank Volume: 4 Gallons


Material: Polypropylene (PP)


Style: Modern


Power Source: Battery Powered


Model Name: Inventor 5.5


Product Dimensions: 22.25 x 14 x 10.5 inches


Item Weight: 16.27 pounds


Manufacturer: ALIENTABI


Country of Origin: China


Item model number: Inventor 3


Batteries: 1 Lithium Polymer batteries required.


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Wednesday, Nov 27

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Top Amazon Reviews


  • Early Impressions; a Great Sprayer
Size: Self-Clean/4GL
I did a lot of research when replacing my old hand pump backpack sprayer with a battery powered one. One of the features that helped me decide on this sprayer was the self-cleaning feature. I have a large pond and need to spray algicides in order to keep the surface clean. That leads me to the second reason I chose this sprayer. It sprays at least 30 feet horizontally depending on wind and chemicals being sprayed. When I received the sprayer, I was immediately impressed with the manner in which it was packaged. After some minor assembly and charging the battery, it was ready for use. I ran a tank of plain water in it first to see the different spray patterns of the three included tips. After that, I mixed up some algicide and put the sprayer to use. I was a little concerned at first that the straps did not include straps across the stomach. After properly adjusting the straps, I realized that a strap across the stomach was not necessary. It does have a strap with buckle across the chest. The unit is very comfortable on the back and the on/off/variable pressure dial is easy to reach. When I finished spraying, I rinsed the tank since I used the entire mixture minus just a very small amount in the bottom of the tank. I poured a bucket of water and attached the self-cleaning pickup hose. I flipped the diverter valve to clean and pumped plain water through the pump, hose, and nozzle. It doesn't get any easier than this. The battery has a lot of charge left in it so there is no need to charge it after each use. Given all of the choices out there, I am really glad I picked this one. Absolutely no leaks, a strong performer, and not at all uncomfortable on the back. This is a solid piece of equipment. I am in high hopes it gives me years of trouble-free service. ... show more
Reviewed in the United States on July 8, 2023 by D. Oliver

  • Very high quality sprayer with very strong pressure and volume
I have been using a 5-gallon Solo backpack sprayer but needed something I could keep off of my not so healthy back. So, I got this cart sprayer. I was pleasantly surprised how well-built the sprayer is. All the components look to be top-notch. My Solo wand broke several times but it was cheap plastic and this is a stainless steel wand with a high-quality metal spray nozzle. The battery life looks to be very good, something like 6-8 tanks based on how it is going so far. In terms of performance it is very powerful -- it feels like it is several times more powerful than my backpack sprayer even though it is only rated at ~50% more psi. The spray is both finer and higher-volume than a backpack sprayer and so will cover 3-4 times faster. It seems to be somewhere between the hand-pump sprayers and the air-blast sprayers in terms of the rate and how fine the mist is. I have had no problems at all using the sprayer, just put a few parts together, charge the battery, and start spraying. The only thing I found a bit odd is the sprayer makes funny noises when it gets low, I think the motor is trying to clear out a potential clog. There is a special self-cleaning setting but I have not used it as it seems primarily useful if you are leaving chemical in the tank but want to flush out the pump/wand. I just flush out the whole thing when I am done. The hose length ends up being OK but I would prefer a longer hose. The supplier said they would be listing a hose extension in a few months and I plan on getting one. It would also be nice to have a wand extension option, it is working better than I thought on higher trees due to the high pressure but overall it would be easier to get the spray higher up with a wand extension. ... show more
Reviewed in the United States on May 29, 2022 by Scott Smith

  • very much worth the cost - a really good sprayer - just buy it
This is a really nice professional-quality powered sprayer. 2.5 gallons is plenty for me to carry on my back. The pump is well up to the task. The wand is long enough that you can squirt weed spray at the base of plants without a lot of grief. When you get it, don’t make the same mistake I did. It has a big door in the back for the battery. So I looked for a big battery. I thought something was wrong and had the first one replaced by Amazon. The second one had the same small battery. It looks small, but has plenty of charge to handle the load in the sprayer. I again apologize to the manufacturer. This is far superior to carrying a pump-up sprayer. It’s very well made. The price is right. The yellow weed spraying nozzle puts down a mist of spray on the target weeds, and it still has some range to spraying. Also, being powered, cleans up quickly. ... show more
Reviewed in the United States on July 30, 2023 by Eric Hussey

Can't find a product?

Find it on Amazon first, then paste the link below.