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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Mighty Max Battery Golf Cart/Deep Cycle Battery Hydrometer Tester

Product ID: 12136641

Details

Brand
Mighty Max
Color
Clear
Item Weight
2.4 ounces
Power Source
Battery
Style
HYDROSTK5

⚡Accurate specific gravity reading

📏Compact handheld design

🔋Professional-grade battery testing

R$292

Duties & taxes included

In stock

Sold byAmazon BrazilDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Never get caught powerless—test like a pro, play like a champion!

TRUSTED BY PROS - Mighty Max Battery’s professional-grade hydrometer ensures reliable deep cycle and golf cart battery maintenance.
LIGHTWEIGHT DURABLE - Weighing just 2.4 ounces, it’s built for durability without weighing you down.
PEACE OF MIND WARRANTY - Backed by a 1-year manufacturer’s warranty, ensuring long-term confidence in your investment.
PRECISION IN YOUR PALM - Compact handheld tester fits effortlessly in your toolkit for on-the-go diagnostics.
INSTANT BATTERY HEALTH CHECK - Reads specific gravity of battery acid with pinpoint accuracy to prevent unexpected failures.

The Mighty Max Battery Golf Cart/Deep Cycle Battery Hydrometer Tester is a compact, professional-grade tool designed to accurately measure the specific gravity of battery acid. Lightweight and easy to use, it provides precise diagnostics for maintaining optimal battery health in golf carts and deep cycle batteries. With a 1-year warranty and a trusted brand reputation, it’s an essential device for proactive battery care.

Specifications

ASIN	B00NCWAPEY
Best Sellers Rank	#107,513 in Automotive ( See Top 100 in Automotive ) #125 in Battery Testers
Brand Name	Mighty Max Battery
Color	Clear
Customer Reviews	4.3 4.3 out of 5 stars (820)
Item Dimensions	11.5 x 2 x 2 inches
Item Weight	2.4 ounces
Manufacturer	Mighty Max Battery
Measurement Type	Specific Gravity
Model	10
Number of Items	1
Part Number	HYDROSTK5
Power Source	Battery Powered
Style Name	HYDROSTK5
Unit Count	1 Count
Warranty Description	1 Year Manufacturers Warranty

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Sneha T.

Received my product in pristine condition. Great service overall.

1 month ago

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Great price for an authentic product. Fast international shipping too!

3 weeks ago

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