sanyo tool reset bq8030 datasheetarchive

Thanks allaboutcircuits, for not letting me end up with a busted battery pack! Not knowing when the fuse would be blown, I had to proceed with caution. This is quite understandable, just another safety feature Lenovo build into the lithium battery I guess. So checking the PCB again I found a curious small circuit which burns a non resettable fuse when problems are detected, trashing the battery.

bq8030, a lithium battery gauge, to keep track of the amount of charge left in the battery.īy chance I also found a site where they tried to refurbish a battery pack from a Lenovo battery pack and it did not work because of safety features on the PCB (link). bq29330, a lithium battery protection IC

Being curious about the IC's on the PCB I searched online and found two trustworthy IC's from Texas Instruments doing all the hard work: Theoretically Increasing the capacity from 69% of 5.6 Ah = 3.86Ah to 6.8Ah, a 76% increase in battery life!Īfter breaking the casing I saw a really nicely designed and built battery pack. So, I bought some Panasonic NCR18650B Cells (3400mah) for 6 euro a piece (can be bought cheaply here in China, just watch out for fakes) and decided to put them in. The battery statistics according to Lenovo power utility: Sanyo Tool Reset Bq8030 Code The remaining capacity was 69% (good score after 2,5 years) but I need the really long battery time while travelling.

Bq8030 a lot for any suggestions on this.The battery in my Lenovo laptop were slowly losing part of it's capacity. You need to send two bq8030 to two SMBus commands. When we find and clear the fail flag it sets bq8030 charging current and voltage in the SBS report to bq8030 normal values instead of 0 indicating that the pack is ready to hq8030 a charge. Author: Nikozshura Tojarisar Country: Rwanda Language: English (Spanish) Genre: Medical Published (Last): 3 September 2017 Pages: 73 PDF File Size: 16.33 Mb ePub File Size: 18.84 Mb ISBN: 878-4-77394-997-8 Downloads: 50903 Price: Free* Uploader: Charging Current bq8030 Charging Voltage is set to 0. The remaining capacity was 69% (good score after 2,5 years) but I need. Aug 16, first, why you cant find info on the bqxxx (see last post) support/power_management/battery_management/f//t/ Dec 26, The battery in my Lenovo laptop were slowly losing part of it’s capacity. Hi admin i have battery lenovo v, ibm 圆0 i read and reset ok but it is run about time charge and discharge it is lost current and volt.

Sanyo tool reset bq8030 datasheetarchive