Portable power bank

Description

1 . Portable power bank

1.1: Front

1.2: Back

1.3: Left

1.4: Right

1.5: Top

1.6: Bottom

1.7: Perspective

1.8: Perspective

1.1 is a front view of a portable power bank showing my new design;

1.2 is a back view thereof;

1.3 is a left view thereof;

1.4 is a right view thereof;

1.5 is a top view thereof;

1.6 is a bottom view thereof; and

1.7 and 1.8 are two perspective views thereof.

Claims

The ornamental design for a portable power bank, as shown and described.