At the intersection of clean mobility and cutting-edge engineering sits Euler Motors, a brand that has rapidly emerged as one of India’s most innovation-driven EV startups. At the helm of its technology evolution is Poorvak Kapoor, Vice President – Technology, who has been instrumental in shaping the company’s tech-first approach, from liquid-cooled batteries and intelligent BMS to AI-powered fleet intelligence. In this exclusive Tech Talk, Kapoor dives deep into the tech architecture behind Euler’s commercial EVs and how the company is solving India’s most demanding operational challenges through real-world innovation.
In conversation with Poorvak Kapoor
ex: What was the biggest technological challenge you faced while building Euler’s EV platform, and how did you overcome it?
At Euler Motors, our tech-first approach has been central to everything from day one. We identified battery technology and electronics as the most critical areas for long-term differentiation, focusing on in-house innovation to give our customers lasting value.
From the outset in 2018, we were clear that battery tech would be a core advantage, both in terms of performance and platform control. Electronics such as thermal systems and control algorithms were equally vital to shaping vehicle efficiency and reliability.
We focused on building in-house capabilities for batteries and control electronics. When we started in 2018, we adopted lithium-ion cells for their proven longevity and reliability. Our initial prototypes ran 10,000 – 20,000 kilometres and provided valuable real-world insights that accelerated our product development.
We equipped our vehicles with integrated telematics that delivered data every 1-2 seconds, helping us learn, adapt, and improve rapidly. To ensure battery resilience in India’s extreme conditions, we developed batteries that could handle both high heat and cold, as well as the thermal stress from overloaded commercial vehicles.
We introduced liquid cooling technology, becoming the first commercial EV player in India to do so because we believe being tech-first for our customers means solving ground-level challenges with bold, practical engineering. It’s engineered to endure temperatures from -40°C to 70°C, ensuring suitability for diverse climates across India.
In parallel, we invested deeply in vehicle electronics, especially the vehicle control unit (VCU). We understood that everything from how efficiently you drive to how algorithms run on the vehicle would be determined by VCU.
It manages all subsystems necessary for its operation and directs the flow of power from the battery to the electric motor, as well as oversees functions like regenerative braking and charging. It handles the intricacies of the powertrain system by analysing signals from various vehicle sensors.
It also adjusts the motor’s power output based on the driver’s accelerator input, as signalled by the pedal position sensor and collaborates with the motor controller for smooth braking.
ex: Battery technology is evolving fast, but what sets Euler Motors’ approach apart in terms of innovation and real-world performance?
We’ve developed our liquid-cooled battery technology in-house, featuring the proprietary ArcReactor system, to ensure reliable performance and longevity in India’s diverse and challenging conditions. From the rough terrains of agricultural zones to the extremes of Indian weather, our batteries have been rigorously tested to deliver reliable, long-lasting performance.
This technology reflects our commitment to being tech-first for customers as it minimises thermal risks, maintains optimal performance under heavy loads, and keeps vehicles running reliably across India’s toughest conditions. We’ve evolved from first-gen semiconductor-based cooling to a next-generation compressor-based system, delivering up to 4x greater efficiency compared to earlier models.
This innovation not only enhances performance but also underscores our commitment to setting new standards for EV technology tailored to the unique needs of Indian roads.
ex: Euler Motors offers ultra-long battery life and extended warranties. What kind of engineering or chemistry decisions make this possible?
Our advanced liquid cooling technology plays a key role in maximising EV battery lifespan and performance. Overheating from continuous use is a primary cause of battery degradation. While most battery packs use a coolant, air-cooled systems have limitations. Euler Motors uses liquid cooling technology to circulate coolant across battery cells.
Unlike air-cooled systems, liquid cooling ensures uniform temperature distribution across the battery pack, even in extreme weather conditions, so that no part of the battery pack overheats. This reduces the risk of battery failure. Integrated sensors monitor the battery’s thermal status and activate the coolant system when temperatures cross set thresholds. This regulates heat, reduces stress, minimises wear, and enhances energy efficiency. All of this ensures longer battery life and faster charging that are key outcomes of our tech-first mindset, where each engineering choice is aimed at boosting performance and peace of mind for our customers.
Complementing this is our BMS, which continuously monitors temperature, state of charge, and battery health. It optimises power distribution and prevents issues like overcharging, deep discharge, or thermal runaway, ensuring consistent performance even under high loads or harsh weather conditions. At Euler Motors, we’re investing in innovative battery casing designs, using lightweight alloys to enhance payload capacity without compromising durability. These improvements are part of our commitment to delivering cutting-edge, cost-effective solutions for our customers of commercial EVs.
ex: Thermal management is often the unsung hero of battery performance and safety. How has Euler Motors optimised this for Indian conditions?
We continue to push the boundaries of performance with our ArcReactor™ 200 technology to solve real-world operating challenges unique to Indian conditions. Supported by a Vapour Compression Engine, it delivers dedicated thermal management by maintaining ideal battery temperatures even in extreme conditions. This ensures consistent performance and extends battery life.
Beyond the battery, it also cools powertrain components, reducing wear and improving overall efficiency. Designed to handle the varied and often extreme conditions across India, this technology ensures consistent and dependable performance, whether in intense summer heat, chilly winters, or daily urban commutes.
Euler Motors’ in-house telematics platform acts as a digital co-pilot for fleet operators, offering real-time vehicle tracking, predictive maintenance alerts, and detailed operational analytics. By monitoring parameters like battery health, driver behaviour, and route efficiency, it helps identify potential issues before they become costly problems, reducing downtime and controlling maintenance costs. The system’s multi-level telemetry can distinguish between critical issues and false alarms, preventing unnecessary vehicle shutdowns and improving uptime.
Our Battery Management System (BMS) works in close sync with this telemetry infrastructure to ensure energy efficiency, safety, and reliability. It continuously tracks key metrics like state-of-charge, temperature, and battery health, while advanced algorithms regulate thermal fluctuations, prevent overcharging, and pre-empt faults. This ensures consistent performance even under demanding load cycles or extreme weather conditions. Together, these systems give fleet operators real-time insights that help maximise range, extend battery life, and streamline vehicle operations. Smart connectivity and software-led intelligence are central to our vision of being tech-first for customers.
Real-time data is no longer a luxury but instead a business-critical tool for uptime, efficiency, and safety. As vehicles get more connected, real-time data is transforming how fleets are managed, how drivers interact with vehicles, and how uptime is protected. Advanced Driver Assistance Systems (ADAS) like Night Vision Assist, collision warnings, and blind-spot detection are no longer just safety tools.
They are business enablers that help prevent accidents, reduce downtime, and optimise fleet performance. For light commercial vehicles – the backbone of mid-mile logistics, these features unlock measurable gains in efficiency and profitability. The next wave of innovation will come from OEM-led platforms that integrate telematics, AI, and ADAS into one intelligent ecosystem that is tailored for Indian roads, driver behaviour, and operational needs. Looking ahead, our next-generation vehicles will continue to raise the bar across critical areas – from extended range and faster charging to enhanced safety features and intelligent, connected systems. Whether it’s more advanced thermal management, smarter telematics, or AI-driven fleet optimisation, whether it’s more advanced thermal management, smarter telematics, or AI-driven fleet optimisation, Euler Motors remains focused on being tech-first for customers, solving the operational challenges that matter most.