Li-ion Battery-3.6/3.7V li-ion battery, light-weight & long-lasting rechargeable battery without memory effect, and low self-discharge. Widely used for bluetooth speaker battery.PS4 Slim vs. PS4 Pro vs. Xbox One vs. Xbox One S: What's the difference? Here's how the latest Sony and Microsoft game consoles stack up -- in terms of specs, anyhow! Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.