HIGH QUALITY REPLACEMENT - This is a Volt and Octane clippers replacement 7.2 Volt rechargeable battery pack that fits directly into your existing Oster clippers. A full upgrade when compared to the orignal 78004, 078004-003, 76550 and 076550-100 battery models. 28% HIGHER CAPACITY - Our battery is engineered as a premium battery replacement with a 2040 mAh capacity which is 28% higher total capacity compared to OEM battery models. That means longer battery life per charge AND more total charge cycles over the lifespan of the battery pack. STAND OUT PERFORMANCE - This product is instantly recognizable with a bright yellow plastics on the back. On the inside, the lithium-ion battery is powered by Japanese performance grade power cells that deliver the most consistant and reliable power source charge after charge. EASY INSTALLATION: The battery pack is designed for easy installation. Use the side clips to remove your old or defective battery and the new battery slides into place and locks in for a safe secure fit. So, you can get your Oster Electric Clippers back up and running in seconds. PREMIUM BATTERY SOLUTION - Artisan Power offers a variety of high quality aftermarket battery replacements for all the top electronics from clippers to printers to phones and more. Save big by replacing old batteries without having to purchase new equipment. Replacement battery for the Oster Volt and Octane Cordless Hair Clippers. Our replacement Li-ion battery pack features a 2040 mAh capacity rating, which is 28% higher than the original Oster battery packs. This translates to longer battery per charge over the original Oster battery packs! Replaces battery part numbers 78004, 078004-003, 76550 and 076550-100. Instantly recognizable with our volt yellow plastic shell.