Water Miser Flip-Top Push-in Battery Cap


#2085 Water Miser Battery Cap

This battery cap fits into a 1-3/8 inch (1.375″) diameter vent hole. Please measure your battery before you buy it.


  • It reduces the need to add water by up to 30%
  • Reduces acid fumes
  • Saves you time and lowers upkeep costs
  • Internal flame arrestor
  • The flip-open top allows quick inspection & watering
  • Flip-top rotates 360° for easy positioning
  • No need to remove the vent cap from the battery
  • No more dropped or lost battery caps
  • Water level gauge basket for more accurate fills
  • Push-in style with rubber O-ring seal
  • Made in the USA

For more information on how to select the best vent cap model for your battery, please visit our FAQ page.

This vent cap can be purchased individually or by the box. One box contains 500 vent caps. To order a box, enter a quantity of 500 for one box, 1000 for two boxes, etc. A bulk discount is automatically applied when ordering 500 or more.

To buy this Water Miser battery cap, enter a quantity and select the Add to cart button. Then select the Checkout button that appears at the top left.

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Part #: 2085 Category:


Push-In type flip-top vent cap. Fits Douglas batteries or European industrial batteries without 1/4 turn vent cap openings (DIN).

Additional information

Weight 0.05 lbs
Dimensions 2.0 × 1.55 × 2.88 in
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