Symmetric Circuits designs and delivers custom and off-the-shelf Battery Management Systems for low and high voltage applications — from 2-wheelers and drones to industrial storage systems and EVs.
A compact, cost-optimised BMS for light electric 2-wheelers, e-cycles, and small energy storage — delivering essential protection in a slim form factor.
| Voltage Range | 12V – 60V |
| Continuous Current | Up to 30A |
| Cell Chemistry | LFP, NMC, NCA |
| Cell Balancing | Passive |
| Communication | UART, CAN |
| Protection | OV, UV, OC, SC, OT |
Enhanced safety-grade BMS with dual-layer protection, pre-charge control, and hardware safety cut-off — engineered for mopeds, e-bikes, and urban delivery vehicles.
| Voltage Range | 24V – 72V |
| Continuous Current | Up to 50A |
| Cell Chemistry | LFP, NMC |
| Cell Balancing | Passive + Active option |
| Communication | CAN, RS485, UART |
| Protection | OV, UV, OC, SC, OT, HW cut-off |
Full-featured BMS for high-performance 2-wheelers, AGVs, and light industrial platforms — with active balancing, SOC/SOH estimation, and real-time CAN telemetry.
| Voltage Range | 24V – 96V |
| Continuous Current | Up to 80A |
| Cell Chemistry | LFP, NMC, NCA, LTO |
| Cell Balancing | Active (inductive) |
| Communication | CAN 2.0B, BLE, UART |
| SOC Estimation | Coulomb counting + KF |
A distributed master–slave BMS for large-format battery packs in 4-wheelers, commercial EVs, and BESS — scalable from 100V to 1000V with centralised management.
| Voltage Range | 100V – 800V |
| Continuous Current | Up to 500A |
| Cell Chemistry | LFP, NMC, Solid-State |
| Architecture | Master + Slave modules |
| Communication | CAN FD, ISO 15118 |
| Isolation | Reinforced, IEC 60664 |
Functionally safe, ISO 26262 ASIL-B compliant BMS designed for passenger vehicles and high-stakes industrial storage — with redundant monitoring and contactor management.
| Voltage Range | 200V – 1000V |
| Functional Safety | ISO 26262 ASIL-B |
| Cell Chemistry | LFP, NMC, NCA |
| Contactor Drive | Pre-charge + main + HV ILK |
| Communication | CAN FD, Ethernet |
| Diagnostics | Full DTC logging, OBD-II |
Purpose-built BMS for utility-scale Battery Energy Storage Systems — multi-rack management, grid communication, and predictive SoH analytics for long asset life.
| Voltage Range | 400V – 1000V |
| Rack Capacity | Up to 300 kWh per rack |
| Grid Comms | Modbus TCP, IEC 61850 |
| SoH Analytics | ML-based degradation model |
| Thermal Mgmt | Active liquid cooling interface |
| Certifications | IEC 62619, UL 9540 |
Hardware and firmware customisation on our standard LV platform — adjust form factor, connector types, current ratings, and communication interfaces to match your product exactly.
| Based On | SC-LV Lite / SC-LV Safe |
| Customisation | Form factor, connectors, I/O |
| MOQ | 50 units |
| Lead Time | 6 – 8 weeks |
| Firmware | Parameter-level customisation |
| Support | 12-month warranty |
Fully ground-up BMS design to your specification — custom chemistry support, proprietary algorithms, unique communication protocols, and full IP ownership transferred to you.
| Voltage Range | Any (per spec) |
| Chemistry | Any — incl. Na-ion, Solid State |
| IP Ownership | Full transfer to customer |
| Certifications | CE, BIS, AIS — supported |
| Firmware | Full custom algorithm development |
| Support | 24-month engineering support |
Reverse-engineer and replace an existing BMS — retain the original pin-out and connector while upgrading the electronics, firmware, and protections with modern components.
| Input | Existing PCB or datasheet |
| Output | Drop-in replacement board |
| BOM Saving | Typically 30–50% reduction |
| Firmware | Re-written, fully documented |
| Testing | Full electrical validation |
| Turnaround | 8 – 12 weeks |
Hardware and software protection against over-voltage, under-voltage, over-current, short circuit, and thermal events — with sub-millisecond response.
Coulomb counting combined with Kalman Filter and adaptive algorithms delivers ±2% SOC accuracy and reliable degradation tracking across the battery lifetime.
Integrated CAN 2.0B, CAN FD, BLE 5.0, and RS485 communication for seamless vehicle system integration and cloud data logging out of the box.
Factory-configurable for LFP, NMC, NCA, LTO, Na-ion, and Solid-State chemistries — with user-adjustable thresholds for future chemistry migration.
Our BMS solutions are deployed across a wide range of electric and energy-storage applications — each optimised for the specific demands of that segment.
Smart LV BMS optimising range, fast charging, and ride safety for e-bikes, mopeds, and e-autos.
Scalable HV architecture for 4-wheelers, buses, and trucks requiring high reliability and OEM-grade diagnostics.
Ruggedised BMS for forklifts, warehouse robots, and excavators demanding long cycle life and high uptime.
Rack-based master–slave BMS for grid-connected storage with IEC 61850 communication and ML-based SoH.
Lightweight, high-density BMS with ultra-fast protection response for performance-critical drone operations.
Robust BMS built for lawn mowers, construction machinery, and utility vehicles with wide temperature operation.
Whether you need an off-the-shelf BMS or a fully custom design — our engineering team will spec the right solution for your battery pack, application, and budget.
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