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!

FLEXIBLE INTEGRATION - Easily connects to GX devices via VE.Direct cable for expanded system control.
ROBUST 500 A CAPACITY - Handles high current loads with precision, perfect for demanding energy setups.
WEATHERPROOF DURABILITY - IP65-rated waterproof design ensures reliable performance in all environments.
COMPREHENSIVE BATTERY INSIGHTS - Track state of charge, time remaining, and historical data for smarter energy management.
SEAMLESS BLUETOOTH CONNECTIVITY - Monitor your battery status effortlessly via VictronConnect app on any smartphone or tablet.

The Victron Energy SmartShunt 500A/50mV IP65 is a cutting-edge battery monitor that leverages Bluetooth technology to provide real-time battery data directly to your smartphone or tablet. With a robust 500 amp capacity and a waterproof IP65 rating, it offers durable, precise monitoring for professional-grade energy systems. Its seamless integration with GX devices and comprehensive analytics empower users to optimize battery performance and longevity.

Specifications

ASIN	B0BF636VBX
Best Sellers Rank	#18,647 in Automotive ( See Top 100 in Automotive ) #31 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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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.

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131787CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

2 months ago

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Received my product in pristine condition. Great service overall.

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