US 11,955,825 B2
Portable power case with lithium iron phosphate battery
Laura Thiel, Raleigh, NC (US); Giancarlo Urzi, Raleigh, NC (US); and Carlos Cid, Raleigh, NC (US)
Assigned to LAT ENTERPRISES, INC., Raleigh, NC (US)
Filed by LAT Enterprises, Inc., Raleigh, NC (US)
Filed on May 26, 2021, as Appl. No. 17/331,187.
Application 17/331,187 is a continuation of application No. 16/191,058, filed on Nov. 14, 2018, granted, now 11,025,076.
Application 16/191,058 is a continuation in part of application No. 15/836,299, filed on Dec. 8, 2017, granted, now 11,025,075.
Application 15/836,299 is a continuation in part of application No. 15/720,270, filed on Sep. 29, 2017, granted, now 10,461,289, issued on Oct. 29, 2019.
Application 15/720,270 is a continuation in part of application No. 15/664,776, filed on Jul. 31, 2017, granted, now 11,462,649.
Application 15/836,299 is a continuation in part of application No. 15/664,776, filed on Jul. 31, 2017, granted, now 11,462,649.
Application 15/664,776 is a continuation in part of application No. 15/470,382, filed on Mar. 27, 2017, granted, now 11,302,987.
Application 15/720,270 is a continuation in part of application No. 14/520,821, filed on Oct. 22, 2014, granted, now 9,780,344, issued on Oct. 3, 2017.
Application 15/470,382 is a continuation in part of application No. 14/516,127, filed on Oct. 16, 2014, abandoned.
Prior Publication US 2022/0052537 A1, Feb. 17, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. H05K 5/02 (2006.01); H01M 10/42 (2006.01); H01M 10/658 (2014.01); H01M 50/202 (2021.01); H01M 50/24 (2021.01); H01M 50/256 (2021.01); H01M 50/284 (2021.01); H01M 50/289 (2021.01); H02J 7/00 (2006.01); H05K 5/00 (2006.01); H05K 5/03 (2006.01); H05K 7/14 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); H01M 50/271 (2021.01)
CPC H02J 7/0042 (2013.01) [H01M 10/425 (2013.01); H01M 10/658 (2015.04); H01M 50/202 (2021.01); H01M 50/24 (2021.01); H01M 50/256 (2021.01); H01M 50/284 (2021.01); H01M 50/289 (2021.01); H02J 7/00 (2013.01); H05K 5/0047 (2013.01); H05K 5/0086 (2013.01); H05K 5/0217 (2013.01); H05K 5/023 (2013.01); H05K 5/0247 (2013.01); H05K 5/03 (2013.01); H05K 7/1427 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01); H01M 10/4257 (2013.01); H01M 50/271 (2021.01); H01M 2220/30 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A portable power case comprising:
a hard case;
a printed circuit board (PCB);
at least two leads or at least one access port and at least one lead connected to the PCB;
at least one universal serial bus (USB) port connected to the PCB; and
at least one battery removably connected to the PCB;
wherein the hard case comprises a lid and a base that form a housing having an interior surface, an exterior surface, and an open interior space;
wherein the interior surface of the hard case includes a heat-dissipating layer;
wherein the at least two leads or the at least one access port and the at least one lead and the at least one USB port are accessibly positioned on the exterior surface of the hard case;
wherein the PCB and the at least one battery are disposed within the open interior space of the hard case;
wherein the at least one battery is rechargeable;
wherein the at least one battery is a lithium iron phosphate battery;
wherein the at least one USB port and the at least two leads or the at least one access port and the at least one lead are operable to supply power to at least one electronic device;
wherein the at least two leads or the at least one access port and the at least one lead are operable to charge the portable power case using at least one charging device;
wherein the at least two leads or the at least one lead includes a connector portion and a wiring portion;
wherein a flexible spring is provided around the wiring portion; and
wherein the wiring portion and the flexible spring are held securely in the portable power case such that a portion of the flexible spring is positioned outside the portable power case and another portion of the flexible spring is positioned inside the portable power case.