Back Home / Electrical / Battery Protection / BATTERY TERMINAL PROTECTOR TREATED WASHER, BLACK 100/BOX BATTERY TERMINAL PROTECTOR TREATED WASHER, BLACK 100/BOX SKU: BTW Categories: Battery Protection, Electrical Black felt battery washer. Prevents corrosion build up. Prolongs battery life. Helps provide full starting power. Jar of 100. Case Quantity: 100 Log In For Pricing