Patent ID: 8322476
Filing Date: 2012-12-04
Classification: H01M,Y02E

Abstract:
1. A battery system comprising: battery holders stacked in three levels or more to hold batteries in fixed positions; and connecting bolts inserted in the direction of battery holder stacking to hold the stacked battery holders together, wherein connecting cylinders are established on the perimeters of the battery holders to accept the connecting bolts inserted in the direction of battery holder stacking, wherein the connecting bolts are inserted through the connecting cylinders to hold a plurality of battery holders in the stacked configuration and form a battery block, wherein the connecting cylinders established on the perimeters of the battery holders are disposed at a plurality of locations on the perimeter of the battery block, wherein the connecting cylinders established on the perimeter of the battery block are disposed in straight-lines to form rows of partial-stack connecting cylinders on battery holders stacked in two levels or more, but not on the entire stack of battery holders, and wherein the connecting bolts are inserted through each row of partial-stack connecting cylinders to hold the connecting cylinders that make up each row of partial-stack connecting cylinders in a stacked configuration, and retain the battery holders in a stacked configuration as a battery block.