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Electrostatic technology has been around for almost 80 years. In 1941, it was invented as a technique to evenly spray paint without dripping. This method instantly became popular, and it was used in WW2 to paint American bazookas and ammunition boxes. Since then, electrostatic technology has been used in many other industries and its use has been slightly altered. Recently, this technology has been adopted into the cleaning industry. Many people believe this technology will revolutionize the cleaning business. Electrostatic sprayers, like this one, expel a solution that is statically charged. When the solution is applied to a surface, it will cling to and wrap around it. The solution will find its way into nooks and crannies and other unreachable areas. Using this form of cleaning decreases elbow grease, increases productivity, and lowers the amount of liquid solution needed for a job. Ultimately, it saves you valuable time and money.


Viaclean Technologies manufactures hospital-grade disinfectants that can be used with this sprayer. These disinfectants are safe, unscented, colorless, and can be applied to a variety of surfaces. Click on the links below to be directed to their listings on the Rehabmart website.
  • Smart Touch Disinfectant
  • Bioprotect RTU (Ready to use) Protectant
  • Bioprotect 500 Concentrate Protectant

    Orders cannot be cancelled or returned once they ship.

    PRECAUTION NOTICE:
    1. ACID based cleaners should not be used in ES Sprayers. It destroys the seals.
    2. Flush the ES Sprayer with water after usage to prolong the longevity of the sprayer and the life of the rubber seals.
    3. Alcohol is flammable, so Alcohol-based cleaners and liquids should not be used in ES Sprayers.
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    This product is non-returnable.
    Note: This product is for sale in the United States only and is ineligible for International Shipping.

    Product Specifications / Dimensions

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    Electrostatic sprayers are the overachievers of tank sprayers. They outperform ordinary sprayers by leaps and bounds. These sprayers are valuable and sought out by professionals in various industries, including agriculture, automotive, and tanning. Using an electrostatic sprayer will help get the job done faster and more efficiently.

    This sprayer runs on a rechargeable battery. Since you will not be tethered to an electrical outlet, you can take this sprayer almost anywhere. This sprayer uses a common 12V 9aH lead-acid battery. The battery is rechargeable, and a charger is included with your purchase. If you ever need to replace the battery, it is an ordinary 12V 9aH lead-acid battery. This cost-efficient type of battery can easily be purchased online or at a hardware store. Continuous working time is 6-8 hours. The recommended charge time is 8-12 hours or overnight.

    There are 3 removable nozzles you can connect to the wand. The nozzles are single, double, and quadruple nozzles. When a solution is sprayed, it is mist-like.

    The tank holds 4.22 gallons (16 liters) of a solution. There is a convenient carrying handle on top of the tank. The tank's colors are bright blue and yellow. The bright colors make this tank very difficult to lose.

    Factory testing is performed on each ES290 Dr. Allens' unit prior to shipment:
    • Each ES290 electrostatic sprayer unit is individually tested by a Quality Assurance Technician at the factory, so do not be alarmed at small traces of water condensation which may be visible in the holding tank at the time you receive and open your ES290 Sprayer.

    Appropriate Personal Protective Equipment (PPE) should be worn while spraying. The level of PPE depends on the type of solution you are being exposed to. CLICK HERE to browse our Protective Wear category and CLICK HERE to browse our Face Mask category.

    How to avoid a Static Shock and why Electrostatic Sprayers generate static electricity:
  • Electrostatic Sprayers work by producing or activating an electrostatic charge to the water ion (ie: the disinfectant solution has water in it). An ion is a charged atom or molecule.
  • The Electrostatic Sprayer is doing what it is designed to do when it activates water ions with a positive static charge.
  • If you feel a mild electrostatic shock upon activating your nozzle, this is normal and it is not harmful.
  • To prevent the user from feeling a mild static discharge (which is normal and harmless, like touching a door knob in winter), wear gloves (rubber, latex, vinyl) when using the sprayer.
  • The factory engineers have been consulted, and these electrostatic sprayers are operating normally.
  • The Science: Most electrostatic sprayers generate positively charged particles, because most surfaces are negatively charged. The theory is that the positively charged particles will stick to most surfaces that are negatively charged. (As a side note, the earths surface is negatively charged.) Electrostatic sprayers are designed to generate positively charged ion-mist particles. These particles then repel each other and have a better chance to stick to something else. This is the law of opposite attraction.


    Dr. Allens ES290 Electrostatic Sprayer - In Stock Picture


  • FAQ For Dr. Allens ES290 Electrostatic Sprayer - In Stock

    ? Have a question about this product? Click here to ask us!
    Does this come with a liquid solution?
    Answer: No, this product is only the electrostatic sprayer. Whatever solution added in the tank will be electrostatically charged when it is sprayed.
    Can I put pesticides in this sprayer?
    Answer: Yes, pesticides can be used. Avoid very acidic, flammable, and insoluble to water solutions.
    Does this run on battery or cord?
    Answer: This electrostatic sprayer runs on a rechargeable battery. The battery and charger are included with your purchase.
    What is the battery life?
    Answer: The battery for this electrostatic sprayer is a standard 12V 9aH lead-acid battery, and the battery life is 6-8 hours of continuous use. We recommend purchasing an extra battery at your local hardware store if you need to use the device for longer periods of time. You can change the battery out and then charge them when not in use. There is a charger included with your purchase.

    Dr. Allens ES290 Electrostatic Sprayer - In Stock Pictures:

    Dr. Allens ES290 Electrostatic Sprayer - In Stock
    Dr. Allens ES290 Electrostatic Sprayer - In Stock
    Cordless Electrostatic Backpack Sprayer with Battery. The picture above shows the double nozzle attached to the end of the sprayer's wand.
    Cordless Electrostatic Backpack Sprayer with Battery. The picture above shows the double nozzle attached to the end of the sprayer's wand.