Product Manager – BESS & Energy Storage Company: Loom Solar Department: Product / Energy Storage Location: Faridabad / Delhi NCR Experience: 6–12 years Qualification: B.Tech/B.E. – Electrical, Electronics, Power Electronics, Energy Storage or related field Reporting To: CPO / Business Head – Energy Storage 1. Role Purpose Loom Solar is building a scalable Energy Storage & BESS business ranging from 1 kWh residential batteries to 1,000 kWh / 1 MWh commercial and industrial Battery Energy Storage Systems . We are looking for a Product Manager – BESS & Lithium Battery who can own the complete product lifecycle: Market Research → Product Strategy → Product Specification → Cell/Battery/OEM Selection → BMS → PCS/Inverter Integration → Certification → Product Launch → Sales → Service → Product Profitability The candidate will be responsible for developing a competitive BESS portfolio for residential, commercial, industrial, telecom, solar EPC, microgrid, backup power and energy-management applications . The role requires a combination of technical depth, product management, commercial understanding and strong execution capability . 2. Product Portfolio The Product Manager will manage and develop the complete storage portfolio: Residential 1 kWh 2.5 kWh 5 kWh 10 kWh 15 kWh 20 kWh Commercial 25 kWh 50 kWh 100 kWh 200 kWh 261 kWh 500 kWh Industrial / Utility 1,000 kWh / 1 MWh Modular BESS solutions above 1 MWh as the business expands The portfolio may include: Battery Pack + Rack + BMS + PCS + EMS + HVAC + Fire Safety + Container/Cabinet + Monitoring Software 3. Key Responsibilities A. BESS Product Strategy Develop the 3-year BESS product roadmap for Loom Solar. Define: Residential battery roadmap Hybrid inverter + battery combinations C&I BESS roadmap AC-coupled BESS DC-coupled BESS Modular BESS Cabinet BESS Containerized BESS 1 MWh+ systems Identify market opportunities in: Rooftop solar PM Surya Ghar Residential backup C&I peak shaving Load shifting Demand management Solar self-consumption Diesel generator replacement Microgrids Telecom EV charging Open-access projects Solar EPC Captive power Renewable energy projects 4. Product Development Own the complete BESS product-development lifecycle. Customer Requirement → PRD → Technical Specification → Cell Selection → Pack Design → BMS → PCS → EMS → Prototype → Testing → Certification → Pilot → Commercial Launch Prepare detailed product specifications covering: Battery chemistry Cell format Cell capacity Nominal voltage Usable energy C-rate DoD Round-trip efficiency Cycle life Operating temperature IP rating Communication protocols CAN / RS485 / Ethernet BMS architecture PCS rating EMS functionality Thermal management Fire protection Safety systems Remote monitoring Warranty 5. Lithium Battery Technology The candidate should understand: LFP / LiFePO ₄ technology Lithium-ion battery architecture Cell → Module → Pack → Rack → System Battery management systems SOC / SOH Cell balancing Thermal runaway Thermal management Battery degradation C-rate Depth of discharge Cycle life DC protection AC protection Contactor and pre-charge systems Fuses and breakers Communication architecture Experience with LFP-based stationary storage will be strongly preferred. 6. BMS & EMS Product Ownership Own the functional requirements for: BMS Cell voltage monitoring Temperature monitoring Over-voltage protection Under-voltage protection Over-current protection Short-circuit protection Over-temperature protection Cell balancing SOC estimation SOH estimation Fault management Event logging EMS Define requirements for: Solar priority Battery priority Grid charging Peak shaving Time-of-use optimization Load shifting Export limitation Backup operation DG synchronization Energy forecasting Remote monitoring Energy analytics 7. PCS & Inverter Integration Work closely with engineering and inverter teams to integrate: Battery + BMS + PCS + Hybrid Inverter + Solar + Grid + Load + EMS Define: AC/DC architecture Power rating Charging power Discharging power Grid synchronization Grid-forming / grid-following requirements Black-start capability where applicable Backup functionality Parallel operation Multi-rack operation Communication protocols 8. OEM / Supplier Management Identify and qualify: Lithium cell manufacturers Battery-pack OEMs BMS suppliers PCS manufacturers EMS/software providers HVAC suppliers Fire suppression suppliers BESS enclosure/container manufacturers Evaluate vendors on: Technology | Quality | Cost | Reliability | Warranty | Certification | Capacity | Lead Time | Service | Financial Stability Develop supplier scorecards and quarterly vendor reviews. 9. Product Cost & Commercial Ownership Own the product economics. Track: Cell cost Pack cost BMS cost PCS cost EMS cost Cabinet/container cost HVAC Fire safety Installation Logistics Warranty provision Service cost Develop product-level: BOM → Landed Cost → Dealer Price → EPC Price → Project Price → Gross Margin → Contribution Margin Continuously drive ₹/kWh cost reduction . 10. Product Pricing Develop pricing architecture for: Residential ₹/kWh + inverter/system package C&I ₹/kWh + PCS + EMS + installation Large BESS ₹/kWh + EPC + commissioning + O&M Track competitor pricing and maintain a monthly: BESS Market Price Tracker 11. Product Certification & Safety Coordinate with engineering, quality and certification teams to ensure compliance with applicable Indian and international standards. Own the certification roadmap covering, as applicable: Battery safety BMS safety EMC Electrical safety Transportation requirements Fire safety Grid compliance Environmental testing Factory acceptance testing Site acceptance testing Maintain a complete BESS technical compliance matrix before launch. 12. Quality & Reliability Create a closed-loop quality system: Field Failure → Data → RCA → CAPA → Engineering Change → Validation → Product Improvement Monitor: Cell failure Pack failure BMS failure PCS failure Communication failure Thermal issues Warranty claims RMA Field failure rate MTBF Availability For large BESS systems, establish: FAT → SAT → Commissioning → Performance Test → O&M 13. Product Warranty Develop warranty architecture based on: Years Cycles Throughput Remaining capacity Operating conditions Temperature DoD C-rate Define warranty policies for: Residential batteries Commercial BESS 1 MWh BESS Extended warranty AMC/O&M 14. Product Launch Own the complete launch process. Prepare: Product name Positioning Datasheet Technical manual Installation manual Warranty policy Pricing Product presentation Sales kit ROI calculator BESS sizing calculator Installation checklist Troubleshooting guide Training material Train: Sales → Dealer → EPC → Installer → Service Team 15. BESS Sizing & Solution Design Create standard sizing methodologies for: Residential Load → Solar → Battery → Inverter → Backup requirement C&I Load profile → Solar generation → Peak demand → Tariff → Battery size → PCS size → ROI Develop tools for: Battery sizing PCS sizing Solar+BESS sizing Backup sizing Peak shaving Energy arbitrage DG replacement ROI/payback 16. Customer & Market Development Personally meet: Large EPCs C&I customers Solar installers Developers Industrial customers Telecom companies Data centers EV charging companies Energy consultants Government customers Conduct regular customer discovery and convert requirements into product roadmap decisions. 17. Competitive Intelligence Track BESS players and technologies across: Product architecture Cell chemistry ₹/kWh Warranty Cycle life Efficiency PCS EMS Fire safety Monitoring Installation O&M Maintain a monthly competitor dashboard. 18. Digital & Monitoring Product Work with the technology team to build a Loom BESS monitoring platform covering: SOC SOH Voltage Current Temperature Power Energy Charging/discharging Faults Alarms Historical generation Battery degradation Remote diagnostics Firmware updates Warranty tracking 19. Sales Enablement Develop: Dealer BESS training EPC training Installer certification BESS sales presentation Technical comparison Competitor battle cards ROI calculator Application calculator Product selection guide Case studies The Product Manager should spend meaningful time in the market with the sales organization. Requirements 6–12 years of experience in lithium batteries, BESS, energy storage, inverter or power electronics. Strong understanding of LFP battery systems. Experience in product development/product management. Experience working with battery OEMs. Understanding of BMS and PCS. Strong understanding of solar + storage systems. Experience with commercial negotiations and product costing. Strong analytical and project-management skills. Preferred Experience in: C&I BESS 100 kWh–1 MWh systems Containerized BESS Hybrid inverters EMS Solar EPC Energy management EV charging Microgrids DG replacement Utility-scale storage Benefits 1. Freedom : We allow you freedom to “follow your passion” 2. Opportunity to work with India’s fastest growing SMB Company 3. Regular Training of Professional Skills such as Leadership, Problem Solving and Product offerings. 4. Multifold chances increase to build the career in Solar Energy Sector 5. Exponential Growth in Salary and other remuneration 6. Great learning curve and hand on experience with leadership team about solar in future
Loom Solar, founded in 2018, has rapidly emerged as one of India's Fastest Growing Renewable Energy brands, specializing in the manufacturing of cutting-edge solar panels, inverters, and lithium batteries, catering to diverse sectors including utility-scale, commercial, residential, agriculture, and government projects.
Operating from a state-of-the-art manufacturing facility in Faridabad, Haryana, with a 300MW production capacity, Loom Solar excels in the production of high-quality solar solutions. Loom Solar has experienced rapid growth since the beginning of its journey, expanding its reach to over 500 districts across India through a network of 10,000+ resellers.
Loom Solar ensures maintaining strict quality standards, including ISO 9001-2015 certification and adherence to BIS, IEC, and MNRE guidelines. This commitment to quality ensures the reliability and performance of its products, delivering superior value to customers.
Loom Solar's vision extends beyond product manufacturing. With a strong global presence in 10+ countries including USA, Canada and Saudi Arabia, the company aims to play a pivotal role in India's transition to a greener future by fostering a sustainable energy ecosystem. By providing accessible and affordable solar solutions, Loom Solar empowers individuals and businesses to reduce their carbon footprint and contribute to a cleaner, more sustainable environment.
