The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 05, 2025
Filed:
Mar. 29, 2019
Applicant:
Ctek Sweden Ab, Vikmanshyttan, SE;
Inventor:
Helge Andersson, Gothenburg, SE;
Assignee:
CTEK Sweden AB, Vikmanshyttan, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60L 53/65 (2019.01); B60L 53/62 (2019.01);
U.S. Cl.
CPC ...
B60L 53/65 (2019.02); B60L 53/62 (2019.02);
Abstract
A method performed by battery charger configured to charge a vehicle battery, the method comprising charging the vehicle battery until a first measured voltage over the battery exceeds a first voltage threshold, halting charging for a third time period, measuring a second voltage over the battery at the end of the third time period, determining a battery type using a differential voltage, by calculating a difference of the first voltage threshold and the second voltage, and a set of predetermined conditions, wherein the predetermined conditions comprise: