Regular price $987.69

Introducing the Gentoo 2.5 Gallon Cordless Sprayer by StainOut Systems - Your Ultimate Solution for Lightweight and Portable Disinfecting, Pre-spraying, Deodorizing, and More!

Are you in search of a versatile, easy-to-use sprayer that can handle various tasks with exceptional efficiency? Look no further than the Gentoo 2.5 Gallon Cordless Sprayer, affectionately known as the GEN2.0. This innovative sprayer comes equipped with a host of remarkable features that set it apart: 

  1. Rapid Charging:  Experience the convenience of a sprayer that charges up to 4 times faster, ensuring you spend more time working and less time waiting.
  1. Extended Battery Life:  The Lithium-Ion battery boasts an impressive staying power, ensuring it remains charged for hours on end.
  1. Consistent Power:  Enjoy uninterrupted performance thanks to the constant power supply, providing a reliable stream of your chosen liquid.
  1. Feather-Light Build:  Weighing in at a mere 8 lbs, the Gentoo GEN2.0 is designed for effortless portability, making it ideal for a wide range of applications.
  1. Enhanced Durability:  With a robust 90 psi pump featuring chemical-resistant Viton seals and an integrated pressure switch, this sprayer is built to last.

But the benefits don't end there. The Gentoo GEN2.0 offers even more reasons to make it your go-to sprayer:

  • Quick Chemical Changes:  Say goodbye to time-consuming refills. The GEN2.0 boasts quick-connect fittings that allow you to swap bottles in seconds, enhancing your productivity.
  • Versatility Unlimited:  From pre-spraying carpets to disinfecting, sanitizing, applying plant food, and administering insecticides, this sprayer covers a multitude of tasks with ease.
  • On-the-Go Charging:  Need to charge on the road? No problem! The Gentoo GEN2.0 includes a standard car charger, ensuring it's always ready when you are.
  • User-Friendly Design:  Easily detach the tank for swift bottle changes, offering versatility when working with multiple chemicals.
  • Perfect for Any Setting:  Whether you're a professional in the commercial space or tending to household tasks, the Gentoo GEN2.0 is your reliable companion.

Experience the freedom and efficiency of the Gentoo 2.5 Gallon Cordless Sprayer for yourself. Discover why it's hailed as the best-value sprayer on the market! 


  Q:   What is the pump seal made of?

  A:   The pump seal is constructed from Viton, a highly chemical-resistant material. To maximize the pump's lifespan, always rinse it after using products with low or high pH levels.

  Q:   How often should I charge?

  A:   Charge your Gentoo nightly or as needed to ensure it's ready for your next task.

  Q:   How do I know if it's charging?

  A:   When charging, the indicator light will turn red. Once fully charged, it will change to green, indicating it's good to go.

Additional Information:


30 x 18 x 74cm


90 PSI


9.4 lts

Battery Lithium Ion

5200 M.A.H. 11.6 volt

Battery Life

All day battery life

Operating Current

2.1 amps


• 45cm lance
• 122cm hose

Product Weight



Gentoo 2.5GAL Manual

Gentoo 2.5GAL Parts