Generic Back Cover Battery Door for Samsung Galaxy S3 III i9300 - Pebble Blue The Samsung Galaxy S III Battery Door is a perfect replacement part of the original one and also an excellent repair part for your scratched, cracked or damaged Battery cover housing. Do not hesitate and give you phone a fresh and new look. Wholesale will be greatly welcome and appreciated. Battery Door is an important component part of Samsung Galaxy S III (S3), which provides protection for the battery. Outside the battery cover, there is a brand logo SAMAUNG.