8 Best Battery Powered Backpack Sprayer 2021

Battery-powered backpack sprayer. If you are trying to find a suited battery-powered backpack sprayer, the effort can be a costly, tiring, costly, and frustrating task.

However, for you to discover what battery-powered backpack sprayer suits your needs, you require to understand what factors to consider as you purchase a battery-powered backpack sprayer today.

The threat to your plants is so real. They find it no more comfortable to live in a hostile and toxic environment as you do. If it is for commercial or for home use, you have to take care of the surroundings where you plant your plants using the best backpack sprayer.

Using a battery-powered backpack sprayer, you can dispense a dose of weed-killing and pest-destroying solutions rapidly and easily.

What to consider when selecting battery-powered backpack sprayer

1. Primary use of a backpack sprayer

What is the primary use of your battery-powered backpack sprayer? If you are using mainly oil-based carriers or for woody plant control, you will need sprayer pumps, hoses, and oil-resistant seals. Battery-powered backpack sprayers must have durability, especially with multiple applicators using the same equipment.

2. The manual or battery-powered backpack sprayer

Manual sprayers are usually for treating new infestations. A battery-powered backpack sprayer will provide more convenience for large areas. The battery-powered backpack sprayer will ease off the pressure from manually pumping a handle to maintain pressure.

But, battery-powered backpack sprayers are commonly more expensive, heavier, and need more maintenance compared to manual sprayers.

If you decide to purchase a battery-powered backpack sprayer, make sure that the battery can handle both high and low sprayer psi output.

3. Battery life

The battery life of a battery-powered backpack sprayer will determine how long you can use the sprayer with just one single charge. Some products have a battery that can last up to ten hours with one single charge. Other products can last less than that.

4. Type of pump

A backpack sprayer will come with a diaphragm pump or a piston pump. The piston pump is lower in price than diaphragm pumps. Piston pumps may not be suitable for herbicides.

If you are applying desiccant herbicide, the piston pump may wear out faster and need replacement. A diaphragm pump will provide ease of repair and durability with herbicides.

5. Safe and comfort

Features like a spray wand grip and a full-size pump handle help reduce user fatigue. A contoured tank and an adjustable, chemical resistant padded straps provide a comfortable fit for the user.

A padded harness has to be bought separately for some sprayers. Find Viton type rubber seals that resist softening and swelling that can cause leakage and pump breakdown.

6. Spray wand

A high-quality spray wand can withstand any factors that may cause leaks and can provide accurate application and comfort to the user. Find spray wands that accept the TeeJet caps and nozzles, that let the user choose from a numerous assortment of industrial-grade tips.

7. Ease of repair and has durability

The battery-powered backpack sprayer tank should be made of high-density polyethylene with UV protection for you to have a quality tank. Seals, other accessories, and hoses should be rated for additives and herbicides. Repair parts should be available online or at your local suppliers to replace components such as pumps.

5 best battery powered backpack sprayer reviews

1. 105Ex Effortless Backpack Sprayer

Backpack Sprayer

This 105Ex Effortless Backpack Sprayer can help you stop pumping when using a backpack sprayer. The sprayer is powered by a 20-volt Lithium-Ion battery (commercial grade).

The backpack sprayer is equipped with a pump that delivers a constant 40 PSI to have a continuous and even spraying experience. The 105Ex backpack sprayer is lightweight, with a weight of only about 3 lbs.

Much less than manual backpack sprayer in the market. The backpack sprayer can perform a stream spraying of up to thirty feet horizontal and twenty-three feet vertical for tall vines and trees.

Pro :

  • Lightweight
  • Commercial grade lithium-ion battery
  • 40 psi spray

Con :

  • None

2. Chapin Backpack Sprayer 4-Gallon 24-volt Extended Spray Time Battery-powered Backpack Sprayer For Fertilizer, Herbicides, and Pesticides

Chapin Backpack Sprayer

The Chapin battery-powered backpack sprayer is simple to maintain, comfortable to wear, and easy to operate sprayer. The Chapin backpack sprayer is equipped with a 20-Volt Lithium-ion battery that allows you to retain fixed droplet size, even spray pattern, steady pressure, and constant flow rate.

Spraying would be very easy without manual hand pumping. The manufacturer designed the sprayer for prolonged use.

The Chapin backpack sprayer features lumbar support, a chest support cinch that can help reduce the strain, and deluxe padded adjustable back straps. To give your hands extra comfort, a shut-off assembly comes with a padded grip.

The Chapin backpack sprayer product has an extra-wide opening tank at 6 inches. The wide opening will prevent spilling when filling the tank.

When it’s time to clean the tank, the wide opening will help a thorough and easy cleanup. The electric motor is the one that adds weight to the whole unit.

Pro :

  • Recharge after 50+ gallons of use
  • Has the durability
  • Triple filtration
  • Chest support cinch
  • Double padded back straps
  • Steady pressure
  • Evenly spray
  • Wide opening tank

Con :

  • The price

3. Hudson Backpack Sprayer 13854 Never Pump Back-Pack 4 Gallon Battery Operated Yard Sprayer

Backpack Weed Sprayer

With this battery-powered backpack sprayer, you do not require to recharge up to six-hundred minutes. You can use the backpack sprayer by completely drain the 4-gallon tank many times over with one charge.

Every charge will provide a steady power source and a consistent 60 psi strength in 600 minutes. You do not have to worry about spilling while adding liquid to the 4-gallon tank. Thanks to the large 4 in. tank opening with a filter allow for keeping debris out and easy filling.

The tank is very easy to see the liquid inside. The backpack sprayer comes with a one-year warranty and includes an AC charger for 9 hours of charging time.

Pro :

  • Recharge after 600 minutes of use
  • Fill the tank without spilling
  • Filter tank to keep debris out
  • 60 psi strength

Con :

  • 9-hours of charging time

4. Petra 4 Gallon Battery Powered Backpack Sprayer Yard Sprayer Backpack Chemical Sprayer

Backpack Chemical Sprayer

This battery-powered sprayer can operate for six to eight hours on a single battery charge. That is over 200 gallons of a solution of spray without pumping.

Using an adjustable knob, you can have a maximum power of 70 psi pump with an 8AH lead-acid battery. With this battery, the backpack sprayer can provide four times the battery life other than 2.0 lithium battery sprayers.

When the battery is out of power, you can charge the battery in 8 hours for a complete charge.

The backpack sprayer comes with a one-year warranty.

The acid and the wand are made of stainless steel. The sprayer also includes a plastic squeeze handle with a locking mechanism. You do not have to worry about debris and dirt coming into the tank, the mouth lid has a filter, and it is wide for a smooth filling.

You can use multiple nozzle attachments that are included. The translucent tank with gallon markers will let you check how much is left in the tank.

Another feature is a variable PSI pressure adjuster to control the spray easily.

Pro :

  • One-year warranty
  • Wide mouth lid with filter
  • 70 psi pressure pump
  • 6 to 9 hours on a single charge
  • For yard work

Con :

  • 8-hours of charging time

5. M4 MY4SONS 4-Gallon Yard Sprayer Battery Powered Backpack Sprayer Wide Mouth

Yard Sprayer

This M4 Automatic Battery-Powered Backpack Sprayer has a 4-gallon tank and can provide reliability, control, and power. Its large wide mouth opening will make it easy to fill the tank.

When talking about debris coming into the tank, it can be avoided because of its screen filter. You will always know when it is time to charge the battery because you can see from the indicator lights.

You can control the sprayer with the variable flow switches and the on/off switch. On one charge, the battery can provide up to 200 gallons of a tank filled.

The pump can give a 60 psi pump that can reach up to 30 feet. To completely charge the battery, would take about 8 hours.

Pro :

  • Product support
  • Long battery life
  • Variable pressure
  • 200 gallons with a single charge
  • Battery life indicator
  • Can reach 30 feet of spray
  • For yard work

Con :

  • 8-hours of charging time

How to maintain your battery-powered backpack sprayer?

  • To make sure to achieve a long-lasting battery-powered backpack sprayer, cleaning after every use is very important to the backpack sprayer.
  • Once you do a routine cleaning of the equipment completely at the end of the day with a tank cleaner or just clean water, you will sure the equipment will last longer.
  • Do the lubrication of the o-rings and seals and at least one time in one year.
  • During the colder months, you need to add RV antifreeze or automotive antifreeze to prevent any damage due to cold temperatures. It is recommended to use automotive antifreeze because it is less corrosive to spray equipment pumps.

Common parts of battery-powered backpack sprayer

  • Lithium-ion battery backpack sprayer
  • Shoulder straps
  • Lithium-ion charging station
  • Lithium-ion battery pack
  • An adjustable conical spray nozzle
  • Fan spray nozzle
  • Misting nozzle
  • Parts bag
  • Spray lance with quick connect
  • Sprayer handle

How to charge the battery of the backpack sprayer

  • Make sure the battery charger complies with AC on the main power supply.
  • Never charge the battery outdoor.
  • Plug the charging station into a power socket. The indicator light on the charging station should show a green light.
  • Slide the battery onto the charging station.
  • The indicator light will turn red when the battery is seated properly onto the charger station.

How to operate the battery backpack sprayer?

For yard work, make sure you wear protective gloves, protective clothing, protective goggles, and a mask when operating a battery backpack sprayer.

  • Make sure you are using a fully charged battery. Open the battery compartment on the backpack sprayer. Next, slide the battery on to the socket. Last but not least, close the cover.
  • Check the sprayer for leaks using water first, prior to using any solution mix.
  • Choose the spray nozzle which best suits your needs. See the instruction manual for spray patterns.
  • To replace spray head, pull down on the female quick connect coupler. Next, insert a new sprayer head into the quick connect.
  • Inspect carefully if the spray nozzle connection is secure.

How to spray using the backpack sprayer?

  • To turn on the sprayer by selecting one of two flow rate settings.
  • When the sprayer is in the “Off” position the sprayer is not running.
  • See the indicator light. Greenlight means a charged battery. Red light means the battery needs charging.
  • It is recommended to have a spare battery to limit downtime. When one sprayer is in operation, the other battery can be charging.
  • Point nozzle in a safe direction away from pets and humans. Do not spray against the adverse wind.
  • Press down on the switch assembly on the handle to start the sprayer.
  • Move-in a constant direction and speed to prevent over-spraying and/or missing a few coverage areas.

How to store the battery-powered backpack sprayer properly?

  • Make sure all liquids are removed from the sprayer.
  • Use a dry place for storage and indoor areas like a storage shed or a workshop.
  • Follow all storage requirements for lithium-ion batteries.

How to care for the battery of backpack sprayer

  • Charge the battery after every operation. This practice will help prolong the life of the battery.
  • Make sure the battery is removed from the sprayer and placed in a dry location away from pets and children.
  • When storing the battery for a long time, make sure the battery is around ½ charge. Always store the battery in a dry place.
  • Battery should be changed every one to three months to ensure a longer life of the battery.

Top 8 backpack sprayer comparison chart

Model  Pressure Price Rating
1. 105Ex Effortless Backpack Sprayer 40 psi $$$ 4.5
2. M4 MY4SONS 4-Gallon Battery Powered Backpack Sprayer 20 – 60 psi $$$ 4.6
3. Solo Backpack Sprayer 475-B Diaphragm Pump, 4-Gallon, Bleach Resistant Pump Assembly 60 psi $$$ 4.5
4. Petra 4 Gallon Battery Powered Backpack Sprayer 70 psi $$$ 4.4
5. Solo Backpack Sprayer 425 4-Gallon Wide Pressure Range 90 psi $$$ 4.3
6. Solo Backpack Sprayer 425-Deluxe 4-Gallon with Deluxe Padded Straps 90 psi $$$ 4.0
7. Chapin Backpack Sprayer International 63985 Black & Decker Backpack Sprayer 35 – 40 psi $$$ 3.9
8. Hudson 13854 Backpack Sprayer Never Pump Bak-Pak 4 Gallon Battery Operated Sprayer 60 psi $$$ 3.8

Common problems of backpack sprayer and the solution

Problems Causes Solution
There is a leak from end of spray wand The shut-off valve is damaged or worn Replace the shut-off valve
There is a leak inside the cylinder The cause would be a dirty piston or collar, or damaged piston or collar Clean the piston or collar
Replace worn cylinder
You must replace the piston or collar
There is a leak outside the cylinder The O-ring on cylinder is probably damaged
The O-ring on pressure cylinder is probably damaged
You need to replace the O-ring
The diaphragm pump is leaking The diaphragm pump is damaged
The O-ring on diaphragm housing is damaged
The O-ring on pressure cylinder is damaged
The solution is to replace those O-rings
You are struggling when moving the pump lever The bushing is dirty
No lubrication
After repeated exposure, the collar swollen
The cylinder walls are dirty
Clean the bushing
Lubricate the collar
Replace the collar
Replace or clean the collar or piston
There is no pressure and an insufficient resistance while pumping The valve plates are dirty or damaged
There is a leak in the seal of the pressure regulator
The piston or the collar is worn
The O-ring of the valve seat is damaged
Clean or replace the cylinder or valve plates
Replace the seal
You must replace the collar or piston
Replace the valve seat
When the handle is pulled up it forces a kickback The inlet screen at the base of the pressure cylinder is clogged Use a small brush and detergent, and clean the intake screen
You are struggling when doing upward pumping and the tank walls become indent upwards No vent hole
The intake channels are clogged
The lower valve plate sticks
The vent hole clogged
You need to replace the vented cap
Clean the intake channels
Replace the valve plate
Clean the vent hole

8 Best Battery Powered Backpack Sprayer 2021
Scroll to top