FIG. 1 is a front top and left side perspective view of a battery pack for a portable radio telephone showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side elevational view thereof, the left side elevational view thereof being a mirror image;

FIG. 7 is a sectional view taken on line 7--7 in FIG. 2; and,

FIG. 8 is a rear and upper left perspective view thereof shown on a reduced scale with a portable radio telephone. The broken line showing of the radio telephone is included for the purpose of illustrating environmental elements only and forms no part of the claimed design.