Product Manager - Energy Storage

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 /

LiFePO₄ 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