Indian energy company Exponent Energy builds a full‑stack rapid‑charging ecosystem using LFP‑based battery packs, advanced BMS, thermal management, and public chargers to enable 15‑minute full charges for commercial EVs from autorickshaws to buses.
Exponent Energy, founded in 2020 and headquartered in Bengaluru, India, develops full‑stack battery and rapid‑charging solutions for electric vehicles. Co‑founded by Arun Vinayak and Sanjay Balyal, the company focuses on integrating battery packs, chargers, BMS software, and a public charging network. Its stated mission is to simplify energy for EVs by delivering fast, durable, and scalable charging that reduces total cost of ownership and supports commercial fleet electrification across urban transport segments.
Exponent Energy’s core technology combines standard LFP (lithium iron phosphate) cell chemistry with proprietary cell‑to‑pack integration, advanced battery management, and offboard thermal management to enable 0–100% charging in about 15 minutes. The energy stack includes per‑module BMS with high‑accuracy voltage sensing, virtual cell models, dynamic charging algorithms (alternative to CC‑CV), and charger‑side liquid cooling. Technology is cell‑agnostic, rated for high power (up to megawatt class) and supports a 3,000‑cycle warranty with TÜV India certification, improving safety, longevity, and lifecycle environmental impact.
Products include fast‑charging e^pack battery packs, e^pump charging stations, e^plug connectors, and an interoperable public charging network. Offerings cover retrofit kits for three‑wheelers and OEM integrations for two‑wheelers, passenger autorickshaws, commercial vans, and buses. Key benefits are 15‑minute full charges, extended pack life, reduced infrastructure footprint, and fleet‑oriented uptime improvements.
2025 product launches include Exponent Oto (Nov 2025), a retrofit battery and charging solution for converting CNG/LPG three‑wheelers to EVs with 15‑minute full charge capability and a 3,000‑cycle warranty; and the P4 Next‑Generation Charging Station (Aug 2025), a 40 kW, slim, wall‑mountable unit with 3‑axis cable management and integrated heating/cooling. Both products were deployed in partnerships with OEMs including Montra Electric, Omega Seiki Mobility, and Kinetic Green, supporting scaled field deployments.
Exponent Energy has raised approximately $44–45 million to date across multiple rounds. Notable financings include a $5M seed round (Dec 2021) led by YourNest, venture and Series A rounds in 2022 with participation from the Pawan Munjal family office and Lightspeed India (Series A ~$13M), and a Series B in Dec 2023 (~$26.4M) led by Eight Roads Ventures and TDK Ventures. Other investors include 3one4 Capital and AdvantEdge VC.
