India has all but finished wiring its railway — and the humble battery has never mattered more to it. By Indian Railways’ own figures published this year, 99.6 per cent of the broad-gauge network is electrified as of May 2026: 70,002 of 70,271 route kilometres under the wire, with just 269 kilometres to go. You … Read more
The metal that decides how long your battery lives is one most buyers have never priced. Antimony is a brittle, silvery element that lead-acid battery makers have alloyed into their plates since the earliest days of the industry — a few quiet per cent, hidden inside the casting. For most of a century it was … Read more
An electric car’s battery retires with most of its life savings still in the vault. The industry convention is that an EV pack comes out of the car at around 70 to 80% of its original capacity — not because it has stopped working, but because a car is an unforgiving employer: range has shrunk, … Read more
The cheapest battery on the comparison sheet is rarely the cheapest battery you will own. Purchase price is one line of a long invoice. The rest arrives quietly, over years: in the electricity the battery wastes, the hours a technician spends on it, the cooling its room demands, the shift it fails to power, and … Read more
Hydrogen is energy’s most seductive storage idea — and physics has been quietly returning the same verdict on it for fifty years. Hydrogen is the most abundant element in the universe; feed it through a fuel cell and the exhaust is water vapour; a tank refills in minutes, like diesel, while a battery asks for … Read more
The lead-acid battery is more than a hundred and sixty years old, and it has just learned a genuinely new trick. Not a marketing trick — a materials one: put the right carbon in the negative plate, and the chemistry’s oldest weakness starts to give way. The result is called the lead-carbon battery, and it … Read more
This guide is written by a lead-acid battery maker, and we are naming that interest in the first sentence so you can hold us to the standard it demands. Scare stories about a rival chemistry would be cheap, and we will not sell them: lithium-ion cells power billions of phones, tools and vehicles through billions … Read more
The fastest way to charge a battery is to not charge it at all. Hand over the empty one, take a full one, drive off: battery swapping turns an hours-long chemistry problem into a two-minute logistics problem, and every few years the idea is announced as the future of electric transport. As of 2026 the … Read more
By common estimate a car spends about 95% of its life parked — and an electric car parks with a power station on board. Multiply a modest 50 kilowatt-hour pack by a million EVs and you are staring at 50 gigawatt-hours of storage standing idle in driveways and depots; that is arithmetic, not a forecast, … Read more
From February 2027, a battery sold into Europe will need to carry its own biography. Scan a QR code on the case and a digital record must open: what the battery is, where and how it was made, what its manufacture emitted, and — in time — how much of it is recycled material. The … Read more