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.

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.
- 01
Active Cell Balancing
Precision balancing across all cells for maximum pack life and uniform performance.
- 02
SOC/SOH Analytics
Advanced state-of-charge and state-of-health estimation using proprietary algorithms.
- 03
CAN Communication
Industrial-grade CAN bus for vehicle integration, fleet management and charger communication.
- 04
BLE Diagnostics
Bluetooth Low Energy for mobile app monitoring, configuration and firmware updates.
- 05
Cloud Connectivity
4G/WiFi gateway support for remote monitoring, analytics and OTA updates.
- 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.
| Nominal Voltage | 72V (20S) |
|---|---|
| Max Continuous Current | 120A |
| Peak Current | 200A (10s) |
| Balance Current | 100mA (Active) |
| Communication | CAN 2.0B, BLE 5.0, RS485 |
| Operating Temp | -20°C to 70°C |
| Protection | OVP, UVP, OCP, OTP, SCP |
| Compliance target | AIS-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.
07 / Applications
Application industries
Where the 72V 120A Smart BMS is used.
Industry pagesElectric Mobility
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.
State of charge
State of health
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
Keep exploring
72V 120A Smart BMS
Interested in the 72V 120A Smart BMS?
Get in touch with our team for pricing, samples and technical consultation.


