Vehicle battery jump-start system

The vehicle battery jump-start device addresses voltage limitations by using a rechargeable battery pack with a power amplification module and supercapacitor banks, achieving efficient jump-starting across diverse vehicle battery conditions.

DE202026101566U1Active Publication Date: 2026-06-18MILWAUKEE ELECTRIC TOOL CORP
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Patent Information

Authority / Receiving Office
DE · DE
Patent Type
Utility models
Current Assignee / Owner
MILWAUKEE ELECTRIC TOOL CORP
Filing Date
2026-03-20
Publication Date
2026-06-18

AI Technical Summary

Technical Problem

Vehicle battery jump starters face limitations due to inherent voltage limitations of removable battery packs, requiring robust protection against overvoltage and undervoltage conditions, transient events, and precise control of high electrical currents, necessitating dedicated, self-contained systems.

Method used

A vehicle battery jump-start device utilizing a removable and rechargeable battery pack that includes a power amplification module with multiple supercapacitor banks, controlled by an electronic processor to charge and combine supercapacitors in series, exceeding the battery pack's voltage for jump-starting vehicle batteries.

Benefits of technology

The solution enables reliable performance across various vehicle battery conditions and sizes by generating a final output voltage exceeding the battery pack's voltage, ensuring efficient jump-starting capabilities.

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Abstract

A vehicle battery jump starter, including: a battery pack interface configured to accept a removable and rechargeable battery pack; a power amplification module with a plurality of supercapacitor banks, each supercapacitor bank comprising multiple supercapacitors, and the power amplification module configured to be charged via the battery pack interface from the removable and rechargeable battery pack; and a control unit with an electronic processor configured to selectively charge the multitude of supercapacitors to predetermined voltage levels, to combine a selection of supercapacitor banks in series to produce a final output voltage that exceeds the voltage of the battery pack, and to control a discharge current from the series-combined supercapacitor banks in order to supply a jump-start current to a vehicle battery.
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