Bricker - Part LEGO - 2847 Electric 9V Battery Box Large Base
LEGO MOC Steam Locomotive Tender with Optional PF/PU Mini-hub/Battery-box by (ಠ_ಠ) | Rebrickable - Build with LEGO
Open body with PF stuff | Lego trains, Lego modular, Train engines
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BrickLink - Part 2846 : LEGO Electric 9V Battery Box Large Cover [Electric, Battery Box] - BrickLink Reference Catalog
Power Functions motors presentation
LEGO PART 2847c02 Battery Box, 9V 4 x 14 x 4 with Yellow Base [Complete Assembly] | Rebrickable - Build with LEGO
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Free/Open Source | Applefritter
VINTAGE 90'S LEGO Technic 9v Battery Box - spare stored from new £10.00 - PicClick UK
LEGO Technic: Case Of Battery 9V Electrical 4 x 14 x 4 - Ref 2847c01 | eBay
How do I open this battery box? YouTube is not very helpful. Part no. 2847 : r/lego