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BMS / Battery Management

72V 120A Smart BMS

Intelligent Battery Management for Fleet & E-RickshawThe 72V 120A Smart BMS is Voltava's flagship battery management system designed for electric three-wheelers, e-rickshaws and light commercial vehicles. It features active cell balancing, real-time SOC/SOH estimation, and comprehensive safety systems built for extreme Indian conditions.

FIG. 01 / CONCEPT RENDER
72V 120A Smart BMS, concept render

01 / Overview

Built for Fleet & E-Rickshaw

Smart BMS for 72V mobility packs, from fleet and e-rickshaw to commercial EV.

Nominal Voltage
72V (20S)
Max Continuous Current
120A
Peak Current
200A (10s)
Balance Current
100mA (Active)

02 / Features

Key features

What the 72V 120A Smart BMS does.

  1. 01

    Active Cell Balancing

    Precision balancing across all cells for maximum pack life and uniform performance.

  2. 02

    SOC/SOH Analytics

    Advanced state-of-charge and state-of-health estimation using proprietary algorithms.

  3. 03

    CAN Communication

    Industrial-grade CAN bus for vehicle integration, fleet management and charger communication.

  4. 04

    BLE Diagnostics

    Bluetooth Low Energy for mobile app monitoring, configuration and firmware updates.

  5. 05

    Cloud Connectivity

    4G/WiFi gateway support for remote monitoring, analytics and OTA updates.

  6. 06

    Thermal Management

    Integrated temperature monitoring with thermal shutdown protection across -20°C to 70°C.

03 / Specs

Technical specifications

Design specifications for this product. Items marked as targets may change before final release. Any row can be selected and copied.

Technical specifications of the 72V 120A Smart BMS
Nominal Voltage72V (20S)
Max Continuous Current120A
Peak Current200A (10s)
Balance Current100mA (Active)
CommunicationCAN 2.0B, BLE 5.0, RS485
Operating Temp-20°C to 70°C
ProtectionOVP, UVP, OCP, OTP, SCP
Compliance targetAIS-156

04 / Protocols

Communication protocols

3 communication interfaces on this unit, as listed in its specification.

  • CAN 2.0B
  • BLE 5.0
  • RS485

05 / Safety

Safety systems

Protection built into the 72V 120A Smart BMS.

  • Overcurrent Protection (OCP)
  • Overvoltage Protection (OVP)
  • Undervoltage Protection (UVP)
  • Over-temperature Protection (OTP)
  • Short Circuit Protection (SCP)
  • Cell Disconnect Isolation

06 / Thermal

Thermal protection

  • Integrated temperature monitoring across the pack.
  • Thermal shutdown protection across -20°C to 70°C.
  • Over-temperature protection (OTP) is part of the standard protection set.
Min−20°C
Max70°C
Rated operating range, read from the “Operating Temp” specification. Scale in °C.

07 / Applications

Application industries

Where the 72V 120A Smart BMS is used.

08 / Visuals

Product visuals

Concept renders of the 72V 120A Smart BMS, with close-ups.

09 / Dashboard

Dashboard visuals

Sample screens showing the kind of data the 72V 120A Smart BMS feeds. Values are illustrative.

72V 120A Smart BMS / dashboardIllustrative data

State of charge

78%SOC

State of health

94%SOH

Pack voltage

74.2V

Current

42A

Temperature

31°C

Cell voltages, 20 cells

Min 3.705 VMax 3.717 VSpread 12 mV

Status

  • Cell balancing3 cells active
  • ChargingIdle
  • BLE linkConnected
Live pack voltage, current, SOC/SOH, per-cell voltages, temperature and balancing status over BLE on the phone, and through the 4G/WiFi gateway on the fleet dashboard.

72V 120A Smart BMS

Interested in the 72V 120A Smart BMS?

Get in touch with our team for pricing, samples and technical consultation.