BrickLink - Book 98965nl : LEGO De batterij-motor van LEGO(R) speciaal voor aandrijving. (98965-NL) [Informational Book:4.5V] - BrickLink Reference Catalog
LEGO 88000 Power Functions AAA Battery Box | 673419148283 | BRICKshop - LEGO en DUPLO specialist
JimBricks
PeleusTech Power Functions Set Motor Set and Remote Control Compatible with Lego : Toys & Games
LEGO 161 Battery Wagon with Signal and Direction Switch Set Parts Inventory and Instructions - LEGO Reference Guide
BrickLink - Part 4760c01 : LEGO Electric 9V Battery Box Small Assembly [Electric, Battery Box] - BrickLink Reference Catalog
LEGO Set 5038-1 9V Battery Box (1988 Service Packs) | Rebrickable - Build with LEGO