SOLAR BATTERY POWER SUPPLY DEVICE

摘要

A battery pack (40) includes battery modules, a flat battery box (20), and a solar panel (10). The modules are arranged in parallel to each other. Each module includes cylindrical rechargeable battery cells (41) that are arranged side by side in the longitudinal direction of the cells. One of the cells is serially connected to another one of the cells arranged adjacent to this one of the cells in the longitudinal direction. The box (20) accommodates the battery pack (40). The panel (10) includes solar cells (41) capable of generating power for charging the pack (40). The box (20) is arranged on the back surface of the panel (10). The panel (10) and the pack (40) are arranged substantially in parallel to each other so that the distances between the parts of panel (10) and the pack (40) are substantially fixed. The modules are held in a non-horizontal orientation.