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 (India)
🏢 LT-Larsen & Toubro
📍 India