Image Item No. Description  2847c03 (Inv)  Electric 9V Battery Box 4 x 14 x 4 with Red Buttons and Contact Plate with Dark Bluish Gray Base (2846 / 2847c00) Catalog: Parts: Electric, Battery Box  84599  Electric 9V Battery Box Power Functions (Rechargeable) with Dark Bluish Gray Bottom Catalog: Parts: Electric, Battery Box  4760c01pb08 (Inv)  Electric 9V Battery Box Small with Red '5' Pattern (Sticker) - Set 6440 Catalog: Parts: Electric, Battery Box