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.

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Description

🔋 Power up your battery IQ with smart, wireless precision!

ROBUST 500 AMP CAPACITY - Handles heavy-duty battery systems with ease, perfect for professional setups.
SEAMLESS BLUETOOTH MONITORING - Your phone is the sleek display—ditch clutter and wires while staying fully connected.
COMPREHENSIVE BATTERY INSIGHTS - Track voltage, current, energy, and time remaining with detailed historical charts and alarms.
EFFORTLESS SETUP PORTABILITY - Compact 330g design with quick installation—get real-time data in minutes, wherever you are.
VERSATILE CONNECTIVITY OPTIONS - Supports VE.Direct port, second battery monitoring, midpoint monitoring, and temperature sensors for ultimate flexibility.

The Victron Energy Smart Battery Shunt is a Bluetooth-enabled 500 amp battery monitor designed for professional-grade battery management. Operating within a 6.5V to 70V range, it offers real-time monitoring via the VictronConnect app, eliminating the need for a physical display. With multiple connection options and detailed in-app insights including voltage, current, energy, and time remaining, it’s engineered for easy setup and reliable performance in demanding environments.

Specifications

Brand	Victron Energy
Power Source	Dc Powered Via Monitored Battery
Style	500A
Colour	Blue
Item Weight	0.33 Kilograms
Item dimensions L x W x H	5.4 x 12 x 4.6 Centimeters
Min. Operating Voltage	6.5 Volts (DC)
Specification Met	ISO 9001
Upper Temperature Rating	120 Degrees Fahrenheit
Maximum Operating Voltage	70 Volts (DC)
Manufacturer	Victron Energy
Country of Origin	Malaysia
Model number	SHU050150050
Number of Memory Sticks	1
Item Weight	330 g
Product Dimensions	5.41 x 11.99 x 4.6 cm; 330 g
Item model number	SHU050150050
Item Height	1.81 Inches
Item Width	4.72 Inches
Included Components	Victron Energy SmartShunt 500 amp Battery Monitor (Bluetooth)
Are batteries included?	No

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