Confused by kilowatts? Can’t tell an anode from a cathode? Here is a simple guide to the jargon likely to be tossed around at Tesla’s Battery Day on Sept. 22.

Open one of your iPad’s analytics files (these files start with “Analytics” followed by a date). In the analytics file, tap ...

His lithium iron phosphate car has been running for almost five years, and he has lost count of how many times he has charged ...

Is it OK to check your phone’s power bank? Can you charge your tablet in the overhead bin? What about a cordless hair dryer?

Why your phone charges quickly one day but slowly the next, or why electric cars still take an hour or more to charge, is a ...

Firefighters with the Madison and Idaho Falls fire departments watched Wednesday as a pack of lithium-ion battery cells burst ...

A 2017 Toyota Prius needs a new battery. A salvage pack with 40k miles has been sitting, while a 100k-mile pack is fresh.

Forget cell-to-pack and cell-to-body battery designs. This EV battery company is proposing something entirely different.

Chinese researchers at Tianjin University recently announced a breakthrough lithium‑metal battery reaching an unprecedented energy density of over 600 Wh/kg. Media hailed this as a “battery revolution ...

When Microsoft researchers in 2023 identified a new kind of material that could dramatically reduce the amount of lithium ...

Rechargeable lithium-ion batteries most commonly power cordless electric lawn mowers. In push mowers, they’re usually ...