1. At a Glance – The Battery That Powers Torpedoes, Not Toys
High Energy Batteries (India) Ltd is that rare Indian microcap which literally keeps the Navy alive underwater and the Air Force airborne — and still trades like a niche chemistry lab nobody visits. With a market cap of ~₹504 Cr and a stock price hovering around ₹563, this defence-focused battery maker just reported Q3 FY26 PAT of ₹5 Cr, up a ridiculous 646% YoY, on quarterly revenue of ₹23.45 Cr (+85% YoY). ROCE sits at a healthy ~23%, debt is controlled (D/E ~0.22), and promoter holding has quietly climbed to 42.9% with zero pledge drama.
This is not a consumer battery company chasing Duracell ads. This is a silver-zinc monopoly supplier to Indian Navy, DRDO, missile programs like Agni–Prithvi, and now exports to Philippines, Malaysia, Algeria, Italy, Kyrgyzstan. If defence indigenisation was a stock, this would be it — just without the PR department.
But beware: revenues are lumpy, working capital is ugly, and one missed defence order can give investors cardiac arrest. Curious? You should be.
2. Introduction – Welcome to the Defence Monopoly Nobody Talks About
High Energy Batteries is what happens when you mix chemistry PhDs, DRDO scientists, and Indian Navy purchase orders — and then list it quietly on the BSE without shouting on Twitter.
Founded in 1979, the company operates in one of the most boring-looking but insanely critical niches: high-performance, mission-critical batteries where failure means torpedo doesn’t launch, missile doesn’t wake up, or aircraft doesn’t restart mid-air. This is not volume business. This is precision, reliability, and
trust.
For years, the company looked sleepy: flat sales, volatile profits, working capital nightmares. Then suddenly FY25–FY26 rolls in, exports start kicking in, order book swells to ₹62.7 Cr confirmed + ₹101 Cr probable, and margins spike like a caffeine overdose.
This is a classic “boring defence supplier turning spicy” story — but with risks that only seasoned investors appreciate.
3. Business Model – WTF Do They Even Do?
Let’s simplify this like you’re explaining it to a lazy but smart investor:
High Energy Batteries makes one-time-use and high-intensity rechargeable batteries for defence platforms where lithium-ion just doesn’t cut it.
Core Technologies:
- Silver-Zinc batteries (cash cow – 96% of FY25 revenue)
- Nickel-Cadmium batteries
- Silver-Chloride Magnesium seawater batteries
Where are these used?
- Submarine & torpedo propulsion
- Missile ignition systems (Agni, Prithvi)
- Aircraft emergency starting & load support
- Naval communication & guidance systems
These batteries are:
- High power
- Short life
- Extremely reliable
- Very expensive
- Impossible to replace casually
Once qualified by DRDO/Navy, entry barriers are brutal. This is not a space where Chinese imports casually walk in.

