Wahl Professional Animal's replacement NiMH battery is designed for the Arco Cordless Pet Clipper and Grooming Kit (Wahl model #8786). Offers 80 minutes of full run time with a 75 minute charge time for a continuous and powerful cordless experience when clipping or trimming dogs, cats, horses, and other animals and pets. Never run out of clipping power with a spare battery: keep one in your clipper and one on the charger for constant power. To release the battery from the Arco clipper, gently pull on the two side tabs at the bottom of the clipper.