USPTO Patent Granted for Battery Pack and Power Tool

ChangeBridge: Patent Grants - Power Supply (H02J)

Published March 24th, 2026

Detected March 25th, 2026

Summary

The USPTO has granted a patent (US12587028B2) for a battery pack, battery pack system, and power tool to Positec Power Tools (Suzhou) Co., LTD. The patent covers specific technical features related to battery pack design and performance, including discharge rates and temperature management.

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What changed

The United States Patent and Trademark Office (USPTO) has granted patent US12587028B2 for a battery pack, battery pack system, and power tool. The patent, assigned to Positec Power Tools (Suzhou) Co., LTD., details a battery pack design featuring a housing, battery cells, and a charging/discharging port. Key technical specifications include a continuous discharge rate of greater than or equal to 4 C at normal temperature, with the absolute temperature remaining below the charging protection temperature upon completion of discharge.

This patent grant signifies the USPTO's recognition of novel technology in battery pack design. While not imposing direct regulatory obligations on other entities, it establishes intellectual property rights for the assignee. Companies operating in the power tool and battery manufacturing sectors should be aware of this granted patent to ensure they do not infringe on the assignee's exclusive rights. The filing date was September 17, 2024, and the patent is effective March 24, 2026.

Source document (simplified)

← USPTO Patent Grants

Battery pack, battery pack system and power tool

Grant US12587028B2 Kind: B2 Mar 24, 2026

Assignee

Positec Power Tools (Suzhou) Co., LTD.

Inventors

Hongbing Wu, Shiping Jiao, Shaofeng Lv, Yaoqiu Qian

Abstract

A battery pack includes a housing and at least one battery cell located within the housing, a charging and discharging port disposed on the housing, the charging and discharging port is provided with a connection terminal, the connection terminal is configured to be connected to the battery cell; the external device is configured to be connected to the battery cell through the charging and discharging port and configured to charge or obtain electrical energy from the battery cell; the battery pack is discharged at a continuous discharge rate of greater than or equal to 4 C at normal temperature, the absolute temperature of the battery pack is less than the charging protection temperature when the discharge process is completed.