BESS Product Manager (Utility and Industry)
Position Summary
The Utility & Industrial BESS Product Manager owns the product vision, roadmap, and lifecycle for large-scale Battery Energy Storage Systems (50 kWh – 10 + MWh). The role spans market analysis, technical definition, product development, containerized system architecture, PCS/EMS integration, safety compliance, and commercial success.
You will work closely with engineering, supply chain, certification bodies, EPC partners, utilities, and large industrial customers to ensure successful deployment of grid-scale and C&I; energy storage products.
Key Responsibilities
- Define product strategy for utility-scale and industrial BESS (AC-coupled, DC-coupled, hybrid ESS).
- Build the long-term roadmap for containerized BESS (250 kWh – 10+ MWh) and PCS/inverter platforms.
- Analyse global and domestic market trends (LFP cell tech, 2P/3P configuration, liquid cooling, fire safety).
- Define competitive differentiation in cost, safety, energy density, lifecycle, and digital integration.
- Conduct market sizing, TAM/SAM analysis,



and customer segmentation (utilities, IPPs, C&I;).
- Create PRDs and system specifications for:
- Battery packs, racks, and container architecture
- PCS/inverter requirements (20 ft/40 ft)
- HVAC/thermal management
- Fire Detection & Suppression (FDS)
- BMS/EMS integration
- Protection schemes, grounding, and grid code compliance
- Define performance KPIs: round-trip efficiency, degradation, availability, OPEX.
- Work with R&D; on cell selection, topology choices, control algorithms, safety design.
- Coordinate with electrical, mechanical, thermal, firmware, and EMS teams.
- Drive certification requirements (UL9540, UL1741, IEC 62933, UL1973, IEEE 1547, BIS and other relevant standards as applicable).
- Support supply chain in selecting cells, racks, PCS, thermal systems, and auxiliaries.
- Enable manufacturability, configuration standardization, and cost optimization.
- Lead product introduction,

📌 BESS Product Manager (Bengaluru)
🏢 LT-Larsen & Toubro
📍 Bengaluru