Longer run time - runs up to 2 hours on a single charge. Continuous power - provides more power during use than nicad batteries. Lightweight and ergonomic - half the weight of nicad and nimh batteries. Clearcoat protectant - clear coating protects clipper from dirt, smudges and fingerprints. Single-speed rotary motor. Rugged design for use in dog grooming, equine and large animal environments.