Where should I connect the midpoint cable for a bank of 6 6 volt batteries running at 12 volts?

To the positive terminal of your middle bank where it it ties in to the last bank in parallel. Assuming you have three banks of 6v batteries wired in series (neg to pos) then all three banks wired together in parallel (neg to neg; pos to pos). Two 6v batteries in series gives you 12v. Three banks of 12v wired in parallel gives you 12v plus you can now take the amp hour of one battery and multiple by 3 to determine your total amp hours. Assuming all 6 batteries have the same amp hour ratings.

I have 4 battery pack of24v 100ah how many shunt should I used

It’s pretty unlikely you will pull more than 500 amps on that setup. 1 shunt is all you need, size it for your anticipated load. The 500a shunt you asked about would work fine for all but the most extreme installs.

My lifepo4 charged voltage is 52.5. discharged voltage is 48. i can set a discharge (%) but not a voltage. how do i set a 48v discharge floor?

Can't set a voltage floor. Use the victron app in demo mode to test. If you are trying to shut down battery at a discharge voltage, use the "smart batrrery protect" 48v 100A.

I purchased one of these last month - who do i contact for tech support/rma?

It appears that one of the big downsides to a Victron product is that they have no direct customer service/tech support. Everything is through dealers and distributors.

Victron Energy Smartshunt Bluetooth Battery Monitor 300a

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¥50008

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Sold byAmazon JapanDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔋 Power up your monitoring game—smart, sleek, and totally Bluetooth-ready!

PLUG PLAY SETUP - Quick installation with minimal wiring—get real-time battery intelligence without the hassle.
ROBUST 500 AMP CAPACITY - Handles high current loads with precision, perfect for automotive, marine, and off-grid power systems.
COMPREHENSIVE BATTERY INSIGHTS - Track voltage, current, energy, and time remaining with detailed historical data and customizable alarms.
SEAMLESS BLUETOOTH INTEGRATION - Monitor your battery status effortlessly via VictronConnect app—your phone is the display, no extra clutter.
FLEXIBLE MULTI CONNECTION OPTIONS - Supports VE.Direct port, second battery monitoring, midpoint monitoring, and temperature sensors for tailored setups.

The Victron Energy Smart Battery Shunt is a high-precision 500A battery monitor designed for professional-grade battery management. Operating between 6.5V and 70V, it connects seamlessly via Bluetooth to the VictronConnect app, turning your smartphone into a dynamic display. With multi-connection capabilities and detailed in-app analytics, it’s ideal for automotive, marine, renewable energy, and off-grid applications seeking clutter-free, real-time battery insights.

Specifications

ASIN	B0DJ2P2XN5
Best Sellers Rank	#112,513 in Car & Motorbike ( See Top 100 in Car & Motorbike ) #220 in Car Batteries & Accessories #588 in Battery Tools #800 in Diagnostic, Test & Measuring Tools
Box Contents	1 Smartshunt 300A
Brand Name	Victron Energy
Colour	black
Connectivity Protocol	Bluetooth
Customer Reviews	4.6 4.6 out of 5 stars (757)
Item Highlight	Victron Bluetooth Smart Shunt with detailed in-app Insights
Item Weight Unit of Measure	0.24 Kilograms
Manufacturer	Victron Energy
Manufacturer Part Number	SHU050130050
Model Number	SHU050130050
Number of Channels	1
Number of Packs	1
Unit Count	1.0 Count
Voltage	12 Volts
Water Resistance Level	Water Resistant

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¥50008

Duties & taxes included

In stock

Sold byAmazon JapanDelivered 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 Japan.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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Victron Energy SmartShunt Bluetooth Battery Monitor 300A

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Description

Specifications

Common Questions