Universal Battery Disconnect Switch W /Weatherproof Rubber Cover: ShopSBT.com
Bosch 6-in 18-volt 8 Amps Sliding Switch Brushless Cordless Angle Grinder (Charger Included and 1-Battery) in the Angle Grinders department at Lowes.com
Main Switch, battery BOSCH 0341003004. Buy online at Cars245