Victron Smart Battery Sense: Wireless Setup

Updated 6 September 2026 · By SolarNevs Research Desk, Dealer surveys + verified sources · 1 source · Method ↗

Victron Smart Battery Sense unit adhered to the side of a 12V lithium battery casing with M10 eyelet leads connected to the battery posts — SolarNevs spec card

Key Takeaways

  • Smart Battery Sense is a wireless battery voltage-and-temperature sensor for Victron MPPT Solar Chargers..
  • Wireless synchronization: It uses VE.Smart Network - a wireless technology based on Bluetooth Smart..
  • Direct battery voltage support: Operating voltage range 8V to 60V.
  • Extreme electrical ceiling: Absolute maximum voltage 65V.
  • Physical casing size: Dimension h x w x d (mm) 14 x 38 x 38.
  • Direct harness length: Cable length 45cm.
  • Heavy post mounting: Eyelet hole size 10mm (M10).
  • Overcurrent safety: Fuse rating T1A 250V.
  • Broad thermal window: Operating temperature range -10°C to +60°C.
  • Wireless frequency spectrum: Bluetooth Frequency 2402-2480MHz.
  • Low-energy transmission: Bluetooth Power -4dBm.

VE.Smart Networking & Precision Sensing Architecture

Smart Battery Sense eliminates charging errors caused by cable resistance and ambient temperature variations. By measuring voltage and temperature directly at the battery terminals, it transmits real-time correction data to nearby SmartSolar MPPT charge controllers over Bluetooth.

The Victron Smart Battery Sense is a wireless voltage and temperature sensor (VE.Smart Network, Operating Span: 8V - 60V DC, Frequency: 2402-2480 MHz, -4dBm) designed for direct battery mounting:

  • Battery Post Terminals: 45cm Cable Harness, M10 Terminal Eyelets, T1A 250V Inline Fuse, 8V to 60V DC Span.
  • Wireless Broadcast: VE.Smart Network, Bluetooth Smart, Real-time Vsense, Real-time Tsense.
  • Physical Specs: 14 x 38 x 38, Self-Adhesive, -10 to +60°C, 65V Max Peak.

Installation Rules & Direct Battery Mounting

  1. Casing Attachment: Peel the self-adhesive backing tape and mount the sensor directly on the plastic wall of the battery body.
  2. Terminal Connections: Secure the eyelets across the battery posts using Eyelet hole size 10mm (M10) and Cable length 45cm with Fuse rating T1A 250V.
  3. Voltage Verification: Operates across Operating voltage range 8V to 60V up to Absolute maximum voltage 65V.

Wireless Optimization & Temperature Compensation

Smart Battery Sense automatically enhances solar charging efficiency:

  • Voltage Compensation: Broadcasts actual terminal voltage over Bluetooth Frequency 2402-2480MHz and Bluetooth Power -4dBm, enabling the solar charger to compensate for cable resistance voltage drop.
  • Thermal Regulation: Measures battery temperature to apply dynamic temperature compensation across Operating temperature range -10°C to +60°C.
  • Compact Form Factor: Sized at Dimension h x w x d (mm) 14 x 38 x 38 for tight battery enclosures.
  • Seamless Integration: Functions as Smart Battery Sense is a wireless battery voltage-and-temperature sensor for Victron MPPT Solar Chargers. via It uses VE.Smart Network - a wireless technology based on Bluetooth Smart..

Technical Specifications & Sizing Summary

Parameter

Engineering Rating

Design Significance

Primary Function

Smart Battery Sense is a wireless battery voltage-and-temperature sensor for Victron MPPT Solar Chargers.

Direct terminal sensing optimizes solar charge stages

Wireless Technology

It uses VE.Smart Network - a wireless technology based on Bluetooth Smart.

Cable-free local telemetry synchronization

Battery Voltage Span

Operating voltage range 8V to 60V

Direct connection across 12V, 24V, and 48V battery banks

Maximum Voltage Rating

Absolute maximum voltage 65V

Overvoltage protection margin for 48V systems

Physical Dimensions

Dimension h x w x d (mm) 14 x 38 x 38

Ultra-compact casing mounts directly to battery casing

Harness Length

Cable length 45cm

Sufficient reach for side-by-side terminal mounting

Terminal Eyelet Size

Eyelet hole size 10mm (M10)

Fits standard M10 battery post bolts

Inline Protective Fuse

Fuse rating T1A 250V

Protects sensing wiring against dead short circuits

Operating Temperature

Operating temperature range -10°C to +60°C

Wide operating temperature window

Radio Frequency Range

Bluetooth Frequency 2402-2480MHz

Standard 2.4GHz Bluetooth Low Energy band

Wireless Radio Power

Bluetooth Power -4dBm

Ultra-low RF power minimizes battery draw

References

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