Ryobi OP40401 40V 4.0Ah Lithium-Ion Battery Pack

Delivering reliable fade-free power to Ryobi 40V cordless tools this OP40401 lithium-ion battery is certain to impress. Lithium-ion technology ensures that this battery runs longer and weighs less than comparable NiCD batteries. Plug this 4.0Ah heavy duty battery pack into any of Ryobi?s 40V outdoor power tools (sold separately) and get the job done with the same rugged performance of a gas-powered unit. The OP40401 boasts 4.0Ah of power making it the perfect choice for extended tasks or power-hungry tools. This OP40401 lithium-ion battery works with Ryobi 40V cordless power tools such as RY40406 RY40540 RY40530 RY40620 RY40250 and more (sold separately). Charge it on compatible Ryobi 40V li-ion chargers including OP401 (sold separately). Ryobi OP40401 40V 4.0Ah Lithium-Ion Battery Pack