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Battery Watering Systems can be added to any new battery order and installed prior to delivery. Installation is simple enough that they can be installed on existing batteries in about 20 minutes.

View system pricing and and specs:

Watering systems require a water supply to pressurize and fill. See the "Mini-Pump" below.

Flow-Rite's Mini Pump Water Supply

The Flow-Rite Mini-Pump revolutionizes battery watering.

  • Makes gravity feed tanks & high pressure regulators obsolete.
  • Gravity feed tanks must be mounted 4 to 6 feet above the top of the battery & takes ten times longer to fill than high pressure fillers.
  • High pressure fillers can only use tap water, and require a tap or hose near the batteries.

The Mini-Pump allows use of tap or distilled water, and easily transports to the battery and pumps at high pressure.

> Order the Mini-Pump

SmartBlinky Pro Water Level Indicator

Stop guessing whether it's time to water your batteries. Never lose another battery due to charging it dry. 

  • Highest Visibility
  • Audible Alarm
  • Easiest to install

Free installation prior to delivery when ordered on a new battery.

 > Order SmartBlinky Pro 

SmartBlinky Pro™ - Detailed Info

Intelligent battery monitoring with both Light and Sound

Let your batteries tell you when they need water.  SmartBlinky Pro  provides the brightest and most effective electrolyte level indication  of any battery watering monitor on the market, so you know when to fill  your batteries, keeping them in prime condition. You will save time from  unnecessary battery watering and level checking. The LED is mounted on  the battery cable near the connector for maximum visibility --perfect  for applications in which the battery never leaves the truck, like fast and opportunity charging.

With our patented Smart Sensing Technology that eliminates false  indication, our innovative Smart MOUNT for quick and easy install, and  the SmartBEEP audible alarm, your batteries can stay filled and ready  for use.  Save time and increase your ability to avoid costly permanent  damage to your batteries with SmartBlinky Pro. SmartBlinky Pro is  rugged, built to withstand the harsh environment of industrial battery  applications.  And, like our other Blinkys, SmartBlinky Pro is UL  Classified so users are assured of its quality and safety.

The audible alarm alerts management when a battery has not been  maintained and for how many days, further enhancing the SmartBlinky  Pro’s ability to help prevent costly damage to batteries due to low  electrolyte levels.

Brochure: SmartBlinky Pro

> Order SmartBlinky Pro

SmartBlinky Pro installed on a new 48 Volt GB Industrial Battery.

SmartBlinky Pro installed on a new 48 Volt GB Industrial Battery.

How to install a FLOW-RITE Watering Kit

Flow-Rite EVO System

Philadelphia Scientic watering system installation

Philadelphia Scientific Spider System installation

Philadelphia Scientific - HydroPure™ Deionizer System

Deioniser - How to install the HydroPure deioniser

Flow-Rite Downloads

Flow-Rite - Full 2017 catalog (pdf)


Flow-Rite - Mini Pump Brochure (pdf)


Flow-Rite - Watering Cart Brochure (pdf)


Flow-Rite - General Water Supply Brochure, 1-28-2015 (pdf)


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Philadelphia Scientific manual watering gun.

 Feature and Benefits

  • Automatic shutoff: The Watering Gun fills cells to precisely the correct level. The shutoff is so positive you can actually feel it.
  • Safe: It keeps eyes and face away from battery hazards, and reduces backache from bending over batteries. It is insulated to prevent sparking on connectors.
  • Reliable: The shutoff mechanism has been tested to 1 million cycles and proven in hundreds of thousands of tough applications worldwide. Powered by the water itself, it has no solenoids, no electronics and no wiring.
  • Fast but gentle: The flow rate is 1.7 gallons/minute (6.4 liters/minute), which is fast enough for the largest cells. Yet the flow is gentle enough to fill a coffee mug.
  • Easy Installation: Attach the Battery Watering Gun to any standard garden hose, our HydroFill Watering Cart or our Deionizer System and you have a fully operating battery filling system.