M18 6.0-8.0 rebuilt to a 8.4 or 9.0extreme output

This service upgrades a M18 6.0-8.0 battery to a 8.4 or 9.0 extreme output configuration.  It is designed to enhance performance and extend overall power capacity. This battery has more output amperage than stock making it suitable for higher draw tools. the 8.4 is a slightly lower cost option to the 9.0 extreme. Please select if you are supplying the battery to rebuild or not.