Are there any voltage restrictions? I want to use this in a 36v golf cart.

Yes. The shunt voltage range is 6.5 to 70V. The required battery charge voltage is set during setup. For example set the charge voltage to 39.6V for 36V lead acid battery Note different voltages for lithium! The manual is available for download from the website.

battery negative cable is two short to connect terminal lug, can I use nut bolt to extend it ? or is there another device I can use to extend negative

I am not sure what you are asking. There are three cables that come out of the SmartShunt; one is the Auxiliary, one is the Battery Positive, and one is the VE.Direct. The positive wire and the auxiliary wire can each be extended if you properly crimp another wire in place.

So even with "load -" and "battery -" terminals in the open, this is still ip65? it's ok if they are exposed? can i mount on trailer tongue?

IP65 means you won't get water and dust inside the unit. It doesn't mean the exposed terminals can't be wrecked in extreme conditions.

I use two 12v batteries wired in parallel for extended battery life. Will this monitor both batteries or "see" them as one?

The SmartShunt only has the capability to monitor one battery bank. It cannot tell how many batteries are connected to it.

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SmartShunt 500A/50mV IP65 Waterproof Smart Battery Monitor

Product ID: 514819928

Details

Brand
Victron Energy
Colour
Blue
Item weight
0.4 Kilograms
Power source
Battery
Style
Compact

💧IP65 waterproof rating

📱Bluetooth app control

🔋500A max current

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Description

🔋 Stay powered, stay connected — the smart way to monitor your energy!

ROBUST 500 A CAPACITY - Handles high current loads with precision, perfect for demanding energy setups.
WEATHERPROOF DURABILITY - IP65 rating ensures reliable performance even in harsh, wet environments.
COMPACT WIRE FREE DESIGN - No display needed—your phone is the screen, reducing clutter and installation hassle.
COMPREHENSIVE BATTERY INSIGHTS - Track state of charge, time remaining, and historical data for smarter energy management.
SEAMLESS BLUETOOTH INTEGRATION - Monitor your battery status effortlessly via VictronConnect app on your phone or tablet.

The Victron Energy SmartShunt 500A/50mV IP65 is a cutting-edge battery monitor that leverages Bluetooth connectivity to provide real-time battery data via your smartphone. With a robust 500 amp capacity and waterproof IP65 rating, it offers durable, precise monitoring without the need for a dedicated display, making it ideal for professional-grade energy management in any environment.

Specifications

ASIN	B0BF636VBX
Best Sellers Rank	#19,326 in Automotive ( See Top 100 in Automotive ) #29 in Automotive Battery Testers
Department	unisex-adult
Item model number	SHU065500BT
Manufacturer	Victron Energy
Product Dimensions	5.41 x 11.99 x 4.6 cm; 399 g

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TrustScore 4.5 | 7,300+ reviews

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

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MOP$1517

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TrustScore 4.5 | 7,300+ reviews

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