The RHY 40V 6000mAh Lithium Ion Rechargeable Battery Pack is a high-performance replacement solution designed for cordless power tools, offering exceptional capacity and long-lasting durability. Featuring advanced lithium-ion technology, this battery pack delivers reliable 40V power with a robust 6000mAh capacity, ideal for demanding applications in power tools, home appliances, and consumer electronics. Built with high-quality LiCoO2 cathode materials and a solid-state design, it ensures stable performance and extended cycle life up to 800 cycles. Compatible with OP4050, OP4015, and OP4026A models, this RHY battery pack is engineered for professional use, providing efficient energy storage and superior runtime in a compact, lightweight 1.6kg design. Perfect for cordless power tools operating within 0-55℃ environments, it offers OEM/ODM support and comes with a 12-month warranty for added confidence.More