Many laptops stop charging batteries if they encounter a "permanent failure" flag, even if the cells are good. Be2works removes this flag 1.2.1.
Reviving Samsung laptop battery (BQ20Z controller) - Badcaps
Use the appropriate functionality for your specific chip to reset the firmware.
Reviving Dead Laptop Batteries with Be2works 4.52 Full If you’ve ever replaced the cells in a laptop battery only to find it still won't charge, you've likely met the "Permanent Failure" flag. Modern batteries aren't just collections of cells; they have complex EEPROM chips that lock the battery once they detect a fault or end-of-life. Be2works 4.52 Full
[PC running Be2works] ---> [SMBus/I2C Adapter] ---> [Laptop Battery Connector (SCL/SDA/GND)] Be2works 4.52 Full
Working with laptop batteries involves inherent risks. Follow these safety guidelines to protect yourself and your equipment:
It adjusts the Full Charge Capacity (FCC) metric inside the microchip to match the true milliampere-hour (mAh) capacity of the newly welded cells.
ww 18 1130 (write word at address 0x18 with value 0x1130) ww 10 1130 (write word at address 0x10 with value 0x1130)
Using the "Reset (Calibrate)" button to clear error codes and set the cycle count to zero. Supported Chips and Applications Many laptops stop charging batteries if they encounter
remains a cornerstone utility for professional battery diagnostics and repair. While modern laptops are increasingly locking down their BMS systems, this tool provides a necessary bridge for repair and sustainability efforts. If you are looking to extend the life of your hardware or start a repair business, understanding how to use this software safely is a valuable skill.
While Be2works is one of the most popular tools for battery EEPROM work, it is not the only option. Depending on your needs, you might consider:
Disclaimer: This post is for educational purposes. Always adhere to safety guidelines when working with lithium-ion batteries and electronic hardware.
Accidental shorts during wiring can cause sparks, smoke, or thermal runaway. Reviving Dead Laptop Batteries with Be2works 4
| Manufacturer | Supported Chip Models | |--------------|------------------------| | Texas Instruments (TI) | BQ20xx, BQ2083, BQ2084, BQ20845, BQ2085, BQ8020, BQ20Z40, BQ20Z45, BQ20Z60, BQ20Z65, BQ20895, BQ30Z55, BQ30Z551, BQ30695A, BQ40Z5xx, BQ40Z695, BQ80201, BQ8030, BQ8055, BQ9000 | | Renesas (NEC) | M37512, R2J240 | | Maxim | MAX1781, MAX1786, MAX1789 | | Other OEM chips | SN80306, SN8765, BM3318, NT1908, A2170, A2169, MEGA406 (used in ASUS batteries) |
Be2works is known for its ability to read, write, and reflash the EEPROM or Flash memory of SMBus-based smart battery controllers. Version 4.52 Full is often distributed with patches or cracks to allow full access to chip resetting functionalities without requiring original hardware keys. Key Functionalities
Be2works acts as a communication bridge to access the battery's memory. The software allows technicians to:
When a controller detects unbalance or cell failure, it trips a digital fuse (often referred to as a PF flag). The software resets flags like PF1 and PF2 so the board can allow current to pass again.
After connecting the CP2112 to your computer’s USB port, install the CP2112 drivers if you haven’t already. Once the drivers are installed, launch the Be2works program as an administrator.