can it be used for trojan industrial batteries?

It can be used on any battery as it only checks the specific gravity of the acid. Works great by the way...

Could this be used to add distilled water too, say drawing the water out of a cup? Looking for multifunction instead of buying tester and filler.

Do NOT buy because MIGHTY MAX is selling it, they are a rip off company who only takes other peoples items and rebrands them to resell, they have NO CUSTOMER SUPPORT, the BATTERIES THEY SELL ARE JUNK TOO.

How do I read it no marks on large tube ?

Read at water level on the inner float.

What exactly is the difference between the car, boat/marine, and golf cart models?

Car. Boat.marine all have starting capacity of 100 amps a golf cart use is about 30 to 40 amps.

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⚡ Stay charged, stay ahead – test like a pro!

TRUSTED COMPLIANCE - CE and FCC certified for reliable, professional-grade testing you can count on.
LIGHTWEIGHT PORTABLE - Weighing just 0.15 lbs, it’s the perfect tool to carry anywhere for on-the-spot diagnostics.
PEACE OF MIND WARRANTY - Backed by a 1-year manufacturer’s warranty, ensuring durability and long-term value.
PRECISION AT YOUR FINGERTIPS - Compact handheld tester delivers exact battery acid gravity readings for peak performance.
EFFORTLESS BATTERY HEALTH CHECK - Quickly assess your golf cart or deep cycle battery’s condition with a user-friendly interface.

The Mighty Max Battery Hydrometer Tester is a compact, battery-powered device designed for precise measurement of battery acid specific gravity. Ideal for golf cart and deep cycle batteries, it features an easy-to-read scale, weighs only 0.15 pounds, and meets CE and FCC standards. Backed by a 1-year warranty, it offers professional-grade reliability in a portable form factor.

RM144

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Malaysiastore

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I loved the variety of products available. Will definitely shop again.

2 months ago

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Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Brand	Mighty Max Battery
Power Source	Battery Powered
Style	HYDROSTK5
Color	Standard
Item Weight	0.15 Pounds
Item dimensions L x W x H	11.5 x 2 x 2 inches
Specification Met	CE, FCC
Measurement Type	Specific Gravity
Manufacturer	Mighty Max Battery
Item Package Dimensions L x W x H	10.55 x 2.05 x 1.89 inches
Package Weight	0.09 Kilograms
Item Dimensions LxWxH	11.5 x 2 x 2 inches
Brand Name	Mighty Max Battery
Warranty Description	1 Year Manufacturers Warranty
Model Name	HYDROSTK5
Number of Items	1
Part Number	HYDROSTK5
Size	Standard

Mighty Max Battery Golf Cart/Deep Cycle Battery Hydrometer Tester

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