Samsung's solid-state batteries: A new era for wearable tech with 200 Wh/L energy density

Samsung Electro-Mechanics has just rolled out a new solid-state battery tech, especially for wearable gadgets. This new battery packs a punch with an energy density of 200 watt-hours per liter, which is on par with those bigger traditional lithium-ion batteries.

What sets Samsung’s solid-state design apart is its fantastic flexibility. Samsung claims they can whip up these batteries in any size or shape, from tiny millimeters to bigger centimeters. It’s all thanks to some fancy multi-layer ceramic capacitor production methods that they’ve been tinkering with for over three years, amassing more than 40 patents along the way.

Unlike the usual lithium-ion batteries, which tend to wrinkle and swell, Samsung's solid-state option keeps its sleek look while handling charge cycles. Add in the extra safety and shock resistance that comes with solid-state tech, and you’ve got a game-changer for the wearables scene.

Samsung is preparing to mass-produce these new batteries in the first half of 2026. They plan to use them in their Galaxy devices, such as smartwatches, fitness bands, and wireless earbuds. Plus, they’re already handing out samples to potential partners and customers.

While we still have a ways to go before solid-state batteries hit the mainstream for electric cars and bigger devices, wearables could be the perfect place to test this cutting-edge tech. But that’s not all—Samsung is also eyeing the EV world, claiming its solid-state batteries’ energy density could reach around 500 Wh/kg with a lightning-fast nine-minute charging time.