Detachable back-up battery pack for cell phone

• US 7,619,388 B1
• Filed: 03/05/2007
• Issued: 11/17/2009
• Est. Priority Date: 03/05/2007
• Status: Expired due to Fees

• Current Assignee: Prince K. Nana
• Original Assignee: Prince K. Nana
• Inventors: Nana, Prince K.
• Primary Examiner(s): TSO, EDWARD H
• Application Number:
  US11/714,476
• Time in Patent Office: 988 Days
• Field of Search: 320/103, 320/107, 320/111, 320/112, 320/114, 320/115, 320/116, 379/433.08, D13/103, D13/107, D13/108, 307/150, 429 96-100
• US Class Current: 320/114
• CPC Class Codes: H01M 10/46 Accumulators structurally combined with charging apparatus circuits for charging H02J7/00
• CPC Class Codes: H01M 10/488 Cells or batteries combined with indicating means for external visualization of the condition, e.g. by change of colour or of light density
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

A back-up battery pack for use to charge a cell phone when the cell phone battery is drained allowing the cell phone to be continuously used without interruption.

Claims

1. A back-up battery pack for cell phone comprising:

a battery casing of generally rectangular shape having a front surface, a back surface, a top end surface, a bottom end surface and two side surfaces;

a rechargeable battery pack in said casing;

an electrical connection means on said casing for providing electrical communication with said cell phone;

a mechanical connection means on each of said two side surfaces adapted for holding said cell phone in a piggy-back position with said back surface of said casing contacting a back surface of said cell phone; and

an electrical plug pivotably mounted in said front surface of the casing providing electrical communication between said rechargeable battery pack and a household current from an electrical outlet.

2. The back-up battery pack for cell phones according to claim 1 further comprising a belt clip mounted on the battery casing.

3. The back-up battery pack for cell phones according to claim 1, wherein said mechanical connection means further comprising two clips attached to the two side surfaces for holding a cell phone casing thereinbetween.

4. The back-up battery pack for cell phones according to claim 1, wherein said electrical connection means further comprising a male connector on the cell phone and a female connector on the battery casing.

5. The back-up battery pack for cell phones according to claim 1, wherein said electrical connections means further comprising a retractable/extendable connector on the battery casing for plugging into a charge socket on the cell phone.

6. The back-up battery pack for cell phones according to claim 1 further comprising a low battery power indicator light on the battery casing.