After decades of lithium-ion batteries dominating the market, a new option has emerged: batteries made with sodium ions.

They better withstand cold temperatures. They're readily available as 9v batteries as well as C, D, AA and AAA sizes. A lithium option is more expensive upfront and their shelf life is typically ...

You can't escape devices needing AA and AAA batteries, but instead of buying more, Laser has an option that will keep you reaching for a USB cable.