What does the dongle use to detect temperature?

I fear you may both be wrong. This device contains a temperature sensor built in. It can also display the temp from the victron sensor when connected appropriately.

why would I buy a victron product if I need an $80 serial cable to communicate with it?

You don't need an $80 serial cable, the Bluetooth device is what costs money. It uses an ethernet cable.

Will this allow me to upgrade firmware in my multiplus via my phone cellular data?

No. To upgrade and make critical settings you must plug into you PC. I think this is done for safety reasons.

Can I have this plugged in and use at the same time as the digital muilticontrol panel? Or is it one or the other?

I also have the Digital Multi Control 200/200A GX installed and the DMC takes over power on/off control. The Victron Connect app accessing the BT Smart Dongle still works, however with many reduced features. Mostly just the Overview screen in Victron Connect and the Details view is limited. It actually displays in Victron Connect the message "VE Bus Smart Dongle is running in secondary mode because there is a remote control panel connected to the VE bus. In secondary mode only a limited number of values are available"

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Victron Energy VE.Bus Smart Dongle for Multiplus/Inverter

Product ID: 258965014

Details

Brand
Victron Energy
Colour
Blue
Item weight
0.08 Kilograms
Material
several
Product dimensions
10L x 3W x 6H

📱Seamless VictronConnect app monitoring

🔋Bluetooth-enabled inverter control

🌡️Integrated voltage & temperature sensing

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Description

🔌 Power up your control game—smart, sleek, and always connected!

DUAL FUNCTIONALITY - Combines Bluetooth connectivity with precise voltage and temperature sensing in one sleek device.
COMPACT LIGHTWEIGHT - At just 80g and 10x3x6 cm, it fits perfectly in caravans, yachts, and motorhomes without bulk.
PLUG PLAY MONITORING - Skip bulky control units—get real-time system insights and control via the VictronConnect app anytime, anywhere.
SMART BLUETOOTH CONTROL - Effortlessly monitor and adjust your inverter/charger settings from your phone.
UNIVERSAL COMPATIBILITY - Works flawlessly with Multis, MultiPlusses, Quattros, and Phoenix Inverters featuring VE.Bus ports.

The Victron Energy VE.Bus Smart Dongle is a compact Bluetooth accessory that enables real-time monitoring and control of compatible inverter/chargers. It doubles as a voltage and temperature sensor, offering precise system insights without the need for bulky control units. Ideal for mobile and off-grid setups, it integrates seamlessly with the VictronConnect app to optimize power management on the go.

Specifications

ASIN	B07FCV43LQ
Batteries required	No
Best Sellers Rank	#78,910 in Computers ( See Top 100 in Computers ) #230 in Bluetooth Network Adapters
Customer Reviews	4.6 4.6 out of 5 stars (472)
Date First Available	11 February 2019
Included components	Components included in the description
Item Weight	0.08 Kilograms
Item model number	NT-1066
Item volume	198 Milliliters
Product Dimensions	10 x 3 x 6 cm; 80 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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TrustScore 4.5 | 7,300+ reviews

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Good experience, but the tracking updates could be better.

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116392CFA

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

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TrustScore 4.5 | 7,300+ reviews

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