BATTERY ARRANGEMENT
A battery arrangement (10) comprises a housing (22) and a plurality of electric cells (12) arranged in a plurality of layers (14, 16, 18, 20) within the housing. The layers of electric cells define a duct (34). A plurality of connection members (36) connect the cells electrically to one another. A terminal assembly (37) is provided on the housing to connect the battery arrangement electrically to an article. Some of the electrical connection members extend through the duct (34) to electrically connect the cells (12) to the terminal assembly (37).