The Tryton TJ2 AK is a rechargeable 20V, 2Ah battery designed for use in a variety of electronic devices. The battery features a spill-proof design and is engineered with a 5-way protection system to maximize longevity, reliability, and safety. The rechargeable design enables users to recycle the same battery multiple times instead of having to purchase a new battery every time. The battery can also be used to power devices with power ratings down to 2Ah, making it suitable for a wide range of applications.