Battery cartridge

The design is the visual features of a battery cartridge shown in solid lines in the drawings, whether those features are features of one of shape, configuration, ornament or pattern or are a combination of any of these features. Figure 1 is a rear perspective view of the battery cartridge; Figure 2 is a detailed perspective view of a front end of the battery cartridge shown in Figure 1; Figure 3 is a top plan view of the battery cartridge shown in Figure 1; Figure 4 is a bottom view of the battery cartridge shown in Figure 1; Figure 5 is a right side view of the battery cartridge shown in Figure 1; Figure 6 is a left side view of the battery cartridge shown in Figure 1; Figure 7 is front view of the battery cartridge shown in Figure 1; and Figure 8 is a rear view of the battery cartridge shown in Figure 1. Drawings of the design are included.