EV Battery Solutions

Battery packs are essential in electric vehicles, contributing significantly to cost, performance, and safety. Designed for long life, compactness, and compliance with stringent standards, EV batteries play a critical role in the success of electric platforms. A well-engineered Battery Management System (BMS) is central to this, managing each cell’s charge, safeguarding against overheating, and ensuring efficient energy use to maximize range and battery longevity.

At GMS, we bring deep expertise in developing battery solutions that range from 1 kWh to 75 kWh (36V – 800V), supporting applications from two-wheelers to heavy-duty commercial vehicles. Our comprehensive design approach covers cell selection, configuration, characterisation and thermal & fire-resistant safety designs. Additionally, our BMS integration capabilities employ advanced algorithms to enhance battery health, optimize charging cycles, and provide real-time monitoring—keeping batteries safe, efficient, and adaptable to various vehicle needs.

Using a modular, scalable design approach, GMS delivers flexible solutions for diverse voltage and power requirements, empowering electric vehicles with dependable and efficient energy storage. Our battery systems enable seamless communication with the vehicle’s control systems and support future-focused automotive technology, ensuring that EV platforms achieve top performance, safety, and reliability.

Where We Can Support You?

Application Areas

Traction Applications
  • 2Wh / 3Wh / 4Wh / Bus / Truck Applications
  • Off-highway Vehicle Drives
  • Battery Swapping
Non-Traction Applications
  • Energy Storage Systems (ESS)
  • UPS Batteries
  • Second Life Applications
  • Battery Operated Consumer Equipment
  • Battery Operated Industrial Equipment and Machineries
Specialized Applications
  • Extreme Temperature Withstanding Batteries
  • High C Rate Batteries
  • Low Self-Discharge (20 Years Retention) Battery Packs

Solutions

Battery Packs
  • Cell to Module designs
  • Cell to Pack designs
  • Fixed / Swappable Batteries
Application Power
  • Two Wheelers - 1kWh to 6kWh
  • Three Wheelers - 2kWh to 10kWh
  • Four Wheelers - 10kWh to 60kWh
  • Bus/Truck - 50kWh to 300kWh
Application Voltage
  • 48V to 1200V
BMS Type
  • Integrated with MOSFET switching
  • Integrated with Relay/Contactor
  • External with PDU control
  • Daisy chain / Bus configuration
  • Master / Slave configuration

Technologies

Battery Chemistries Used
  • Li-ion / NMC
  • LiFePO4
  • LTO
  • Solid State
  • LiSOCl2
Cell Types for Packaging
  • Cylindrical Cells
  • Pouch Cells
  • Prismatic Cells
Battery Pack Cooling Implemented
  • Air / Forced Air Cooling
  • Liquid Cooling Plates
  • Immersed Liquid Cooling
BMS Algorithms
  • SoC / SoH / SoP / SoF / SoT / DoD / DTE Estimations
  • Dynamic Safety Algorithms
  • Cycle Life Optimization Algorithms
  • Fail Safe Algorithms

Why Choose GMS EV Battery Solutions?

Tailored Solutions

GMS provides customized battery and BMS designs that meet specific performance, safety, and efficiency requirements.

Expertise Across Applications

With experience in applications from consumer electronics to industrial systems, GMS optimizes solutions for each sector's unique challenges.

Commitment to Quality

All designs undergo rigorous testing and validation to meet industry standards, ensuring reliability and safety.

Innovative Technologies

We leverage advancements in battery chemistry, design, and management systems to deliver cutting-edge solutions.

Case Studies

SAFE Battery Pack

The SAFE Battery Pack was meticulously engineered using state-of-the-art LiFePO4 technology, achieving over 5000 working cycles while ensuring peak safety and reliability.

Application Area:

Electric Two-Wheelers (scooters, motorcycles)

Key Features:

  • Flame and Fire-Proof Design for high-risk environments.
  • IP65 Waterproof Design for protection against dust and water.
  • Modular Design for flexible configurations (4 kWh capacity).
  • User-Friendly plug-and-play architecture for quick installation and maintenance.
SAFE Battery Pack

20 kWh Battery Pack Design for Car

This project focused on designing a 20 kWh battery pack for automotive applications using advanced pouch cell technology.

Application Area:

Passenger car

Key Features:

  • Modular Configuration with 11 modules achieving 400V total.
  • Master-Slave BMS for balanced charging and discharging.
  • IP65 Enclosure for protection against dust and moisture.
  • Advanced Thermal Management with water-cooled cooling pads.
20 kWh Battery Pack

10 to 20 Cell BMS with Onboard Switching

An advanced Battery Management System (BMS) designed for battery packs across 36V, 48V, and 72V configurations, supporting multiple chemistries.

Application Area:

2W / 3W

Key Features:

  • Onboard Switching up to 100A for efficient management.
  • Accurate State Estimations for SoC, SoH, SoP, and more.
  • Versatile Communication Interfaces (CAN, Bluetooth, RFID).
  • Smart Cell Balancing with 200mA automatic balancing.
  • Fault Detection for 15 different fault types.
10 to 20 Cell BMS

EV Battery Solutions

Requirements Form

Requirement Criteria

Battery Specification

Electrical Requirement

Thermal Management

Safety Features

Communication and Monitoring

User Interface

Physical Design

Cost and Development

Additional Features

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