US 12,355,286 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 Dec. 20, 2024, as Appl. No. 18/989,577.
Application 18/989,577 is a continuation of application No. 18/615,613, filed on Mar. 25, 2024, granted, now 12,237,701.
Application 18/615,613 is a continuation of application No. 17/331,187, filed on May 26, 2021, granted, now 11,955,825, issued on Apr. 9, 2024.
Application 17/331,187 is a continuation of application No. 16/191,058, filed on Nov. 14, 2018, granted, now 11,025,076, issued on Jun. 1, 2021.
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, issued on Jun. 1, 2021.
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, issued on Oct. 4, 2022.
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, issued on Oct. 4, 2022.
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, issued on Apr. 12, 2022.
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.
Prior Publication US 2025/0118976 A1, Apr. 10, 2025
Int. Cl. H02J 7/00 (2006.01); H01M 4/58 (2010.01); H01M 10/0525 (2010.01); 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 50/271 (2021.01); H01M 50/284 (2021.01); H01M 50/289 (2021.01); H05K 5/00 (2025.01); H05K 5/02 (2006.01); H05K 5/03 (2006.01); H05K 7/14 (2006.01)
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)] 16 Claims
OG exemplary drawing
 
1. A portable power case comprising:
a case;
a printed circuit board (PCB) operable to connect to at least one visual indicator;
at least one port connected to the PCB; and
at least one battery removably connected to the PCB;
wherein the PCB includes at least two battery receptacles;
wherein the at least two battery receptacles are positioned parallel to one another within the case;
wherein the at least two battery receptacles are electrically connected in parallel;
wherein the PCB and the at least one battery are disposed within an open interior space of the case;
wherein the at least one battery is rechargeable;
wherein the at least one port is operable to supply power to at least one electronic device;
wherein the at least one port is operable to charge the case using at least one charging device;
wherein the PCB automatically determines a charge priority between all connected devices;
wherein the PCB modifies charge distribution based on the charge priority; and
wherein the at least one visual indicator indicates a state of charge for the at least one battery and/or the at least one charging device.