High Energy Batteries (India) Limited (HEB) is a specialized manufacturer of high-tech, mission-critical electrochemical power systems. Established in **1979** in technical collaboration with Yardney Electric Corporation (USA), the company serves as a strategic partner to the **Indian Navy, Army, Air Force, and ISRO**. Operating under the **Official Secrets Act, 1923**, HEB provides essential import substitution under the **'Atmanirbhar Bharat'** initiative, maintaining a dominant **65%-70% market share** in the Silver Zinc battery segment for Indian defense. --- ### **Strategic Business Segments & Product Portfolio** HEB operates primarily through its **Aerospace, Naval, and Power Systems** division. While it holds a legacy Lead Acid Battery (LAB) segment, operations there have been **suspended since April 2019** due to non-remunerative pricing. | Chemistry | Key Applications | FY25 Revenue Performance | | :--- | :--- | :--- | | **Silver Oxide Zinc** | Torpedo propulsion (Heavy/Light Weight), Supersonic Missiles, and Satellite Launch Vehicles (SLV). | **₹77.72 Cr** | | **Nickel Cadmium (Ni-Cd)** | Fighter Aircraft, Army Battle Tanks, and Indian Railways (locomotive starting). | **₹3.03 Cr** | | **Seawater Activated** | Magnesium Silver Chloride and Cuprous Chloride systems for Torpedoes and Sonobuoys. | Included in Naval Systems | | **Lead Acid (LAB)** | Commercial auto and standby VRLA applications. | **Suspended** (Impairment: **₹1.15 Cr**) | --- ### **Future Growth Engines: R&D and Green Energy Transition** HEB is transitioning from a defense-only manufacturer to a diversified energy storage and hydrogen technology provider. The company has aggressively scaled its R&D expenditure, reaching **₹891.29 Lakhs** in FY25 (up from **₹103.30 Lakhs** in FY23). * **Vanadium Redox Flow Batteries (VRFB):** HEB is developing Long-duration Energy Storage (LDES) in collaboration with **IIT Madras** and **ONGC Energy Centre**. Having demonstrated a **1 kW / 10 kWh** module, the company is now scaling to **10 kW / 100 kWh** and **50 kW** systems. Discussions are underway with **US and European firms** for contract manufacturing. * **Green Hydrogen & Fuel Cells:** * Completed a project for **Hydrogen/Oxygen generation** in March 2025. * Developing a **2.4 kW PEM Fuel Cell (PEMFC)** for three-wheeler integration, with testing of a scaled-up **2.5 kW+** unit targeted for **FY 2025-26**. * Partnering with oil majors (IOCL, GAIL) for **100 kW+** Hydrogen Generation units. * **Lithium-Ion (Li-Ion) Diversification:** Established facilities for **second-life cell screening** and battery pack assembly for UPS, e-mobility, and solar street lighting. * **Indigenization of Torpedo Components:** Developing **Torpedo Reels** to replace imports, aligning with the **05th Positive Indigenization List (PIL)**. --- ### **Operational Model & Market Dynamics** * **Customer Concentration:** Approximately **97%** of revenue is derived from government/defense undertakings. The **Navy & Naval Research Labs** alone contribute **65%** of the order base. * **Order Book & Execution:** As of May 2025, the opening order book stood at **₹35.73 Cr**. Execution cycles typically span **12-18 months**. New production orders for Light and Heavy Weight Torpedo batteries are expected by late **2025**, projected to add **₹50-₹60 Crores** in annual business. * **Export Expansion:** Exports surged to **₹12.22 Cr** in FY25 (from **₹40.14 Lakhs** YoY). Key markets include **Sri Lanka, Malaysia, Algeria, Italy, and Kyrgyzstan**. * **Manufacturing Base:** Operations are centralized at **Mathur (Pudukkottai)**. The company is negotiating with foreign firms to establish a local manufacturing base for advanced NiCd batteries in **FY 2025-26**. --- ### **Financial Profile & Capital Structure** HEB maintains a conservative, **long-term debt-free** balance sheet, characterized by high margins and consistent shareholder returns. | Financial Metric | FY 2024-25 | FY 2023-24 | FY 2022-23 | | :--- | :--- | :--- | :--- | | **Turnover** | **₹80.75 Cr** | **₹77.23 Cr** | **₹92.54 Cr** | | **Profit Before Tax (PBT)** | **₹20.68 Cr** | **₹23.11 Cr** | **₹27.50 Cr** | | **EBITDA Margin** | ~**25%** | **28.9%** | - | | **Dividend Per Share** | **₹3.00 (150%)** | **₹3.00 (150%)** | **₹3.50 (175%)** | | **Interest Coverage** | - | **11.5x** | **9.9x** | * **Credit Rating:** Upgraded in August 2025 to **IND BBB/Stable** (Fund-based) and **IND A3+** (Non-fund based). * **Stock Information:** Equity shares have a face value of **₹2** (following a 1:5 split in 2022). Total share capital consists of **89,63,840 shares**, with **98.87%** held in dematerialized form. * **Liquidity:** While long-term debt-free, HEB utilizes a **₹30 Cr** working capital facility. Short-term borrowings stood at **₹11.25 Cr** as of March 2025. --- ### **Supply Chain & Risk Mitigation** * **Raw Material Hedging:** Major inputs are **Silver, Zinc, and Copper**. Silver price risks are mitigated through **Price Variation Clauses** in defense contracts. The company maintains a high inventory cycle (**254 days**) and holds ~**4 tonnes of silver** to hedge fluctuations. * **Import Dependency:** Less than **10%** of raw materials are imported, minimizing forex exposure. Imports are typically handled on an **advance payment basis**. * **Sectoral Risks:** * **Procurement Cycles:** Defense cycles have extended from **4-5 years** to **6-7 years** due to improved battery shelf life. * **Working Capital:** Operations are intensive due to "bunched up" payments related to Ministry of Defence fund allocations. * **Technological Risk:** Rapid global advancements require constant R&D to avoid obsolescence. HEB addresses this through partnerships with **DRDO, IIT Madras, and the Centre for High Technology (CHT)**. --- ### **Compliance & Regulatory Status** * **Certifications:** ISO 9001:2015, ISO 14001:2015, and ISO 45001:2018. * **Labor & MSME:** Adopted new Labour Codes effective **November 21, 2025**. Classified as a **'Small'** enterprise as of April 2025 (formerly 'Medium'). * **Security:** Operations are strictly governed by the **Official Secrets Act** due to the strategic nature of naval and aerospace propulsion systems.