The Raptors Airsoft RTQ NiMH 1600mAh 8.4v Block Battery is a high-quality battery designed for use in airsoft guns. It features a powerful 8.4v output and a 1600mAh capacity, which provides plenty of power to keep your gun firing all day long. The battery is also built to last, with a durable construction and high-quality materials that are designed to withstand the rigors of airsoft gameplay. With its block design, this battery is easy to install and fits most airsoft guns.