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Clear plastic hydrometer with graduated float and rubber bulb for battery testing

Mighty Max Battery

Mighty Max Battery MAX3464431 Battery Hydrometer Tester

SKU CH-MGBA-J5PJF

Tests battery acid concentration in non-sealed batteries with a precision graduated float for accurate charge status readings

  • TypeLab Instruments
  • Professional quality ensures highest accuracy readings
  • Precision graduated float measures specific gravity reliably
  • Color-coded scale simplifies battery fluid assessment
  • Tests non-sealed battery acid concentration in seconds
  • Designed for marine and boat battery maintenance

Marine battery tester for non-sealed cells

The Mighty Max Battery hydrometer measures specific gravity of battery acid to indicate charge level and overall condition in non-sealed marine and boat batteries. It is built for technicians and owners who need a quick, direct reading without electronic equipment. The tool works by drawing fluid into a precision graduated float that shows the state of each cell in seconds.

Manual operation with no power draw

The tester requires no batteries or external supply, so it adds zero electrical load and produces no noise during use. Its glass and plastic construction has no moving parts that generate heat, making it suitable for repeated checks in engine compartments or on workbenches. Because it is entirely passive, there are no thermal or acoustic considerations in normal service.

Colour-coded float simplifies interpretation

The included float is marked with colour bands that correspond to specific gravity ranges, letting the user see at a glance whether a cell is charged, needs charging or may be failing. No separate charts, software or calibration accessories are supplied, so the reading depends solely on the float scale. The package carries a California Proposition 65 warning for chemicals known to cause cancer and reproductive harm.

Highlights

  • Professional quality ensures highest accuracy readings
  • Precision graduated float measures specific gravity reliably
  • Color-coded scale simplifies battery fluid assessment
  • Tests non-sealed battery acid concentration in seconds
  • Designed for marine and boat battery maintenance

Specifications

BrandMIGHTY MAX BATTERY
TypeLab Instruments

Questions about this item

How do I install the Mighty Max Battery MAX3464431 hydrometer and what step do people often get wrong?

Remove the battery cell caps, insert the nozzle into the electrolyte, and squeeze the bulb to draw fluid. The step people miss is allowing the float to settle fully before reading the specific gravity scale.

What maintenance or replacement will the Mighty Max Battery MAX3464431 hydrometer need later?

Rinse the tube and float with distilled water after each use to prevent acid residue build-up. Replace the unit if the float cracks, the bulb loses suction, or the graduated scale becomes illegible.

What limit shows up first when using the Mighty Max Battery MAX3464431 hydrometer under sustained testing?

The tester is designed for non-sealed batteries only; it cannot measure sealed or maintenance-free cells. Extended use on hot electrolyte may also affect float buoyancy and reading precision.

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