$12.99

Battery Hydrometer – Acid Tester, Electrolyte Density Checker

Availability: In stock

The Mighty Max Battery Hydrometer professionally gives accurate indications on battery charge status and battery condition.

The Mighty Max Battery tester is designed to test the concentration of the battery acid in non-sealed batteries.

Mighty Max Hydrometer Tester Features

  • Professional quality for highest accuracy
  • Precision graduated specific gravity float
  • Perform Tests of the battery in seconds
  • Easy to read, color coded hydrometer
  • Precise readings for status of battery cells
  • Accurately Tests battery fluid condition

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Excellent
Mighty Max Battery
Based on 4450 reviews
Batteries installed as exact replacement on my ryobi rm480e, packaged very good, secured with double cardboard and styrofoam. Only gripe is that 2 batteries had handles and 2 had straps as well as different size bolts.Came fully charged also and does what it is intended.
Great battery at a competitive price.
My previous battery would charge to 13+volts but,
would not hold the charge. This lithium Mighty Max is a dream- lightweight and powerful and holds the charge greatly!
Good fix and work right out the box
ML35-12 - Perfect replacement for Generac 0D4575. Easily connected with terminal screws provided. Generator started up immediately.
SladeParsonsMotorsports. Were powered by MightyMax Batteries. Ordered on Friday night, received Saturday afternoon. Thanks Amazon and MIGHTYMAX batteries
Great battery for great price
Took a chance on one of these. Seems most people have good experience and some bad. For the price it’s worth a shot. Installed a YTZ10S in my GSX-R1000R. We’ll see how it lasts…
Exactly what I needed the get my Gem E4 LSV up and running
So far mostly good. They should really emphasize the size of these things. Bought to replace lawnmower battery with same stats and got this micro in the mail. Had to rethink securing it in the mower.