Broken battery lock on Macbook pro laptop

I will use Macbook laptop usually used in laptop battery (11.1V, 4800mAh; open the batteries is 6 18650 series and parallel), the systems battery information visibility, power display 0, electric charge does not enter (the phenomenon is at the beginning of the charge state, a period of time, the charge light flashing, off, and then in the charge state). Voltage measured with BatteryMon normal 12V. I remove the battery with a multimeter to measure the battery voltage is normal (3.9V). Now I suspect control chip lock, who can tell me the situation and cause the battery lock common to judge the battery lock. How can i resolve.

You unlock the protection board is another matter. We have to decrypt into the battery management system, and only in the battery management system, we can replace the battery all the parameters and use of information. If we only change battery cells, not unlock, and then can not achieve satisfactory results. :biggrin:

You need to use specialized equipment and related software, decrypt, unlock the protection board. Of course, the battery management chip design according to different manufacturers, select the appropriate equipment. Use of specialized equipment and related software to unlock the protection board to decrypt Battery management chip design according to different manufacturers, select the appropriate equipment related software to unlock the protection board to decrypt.

If you find that your laptop failure to deal with laptop battery repair business company specializing in check. Next, you will be submitted to us throughout the process, notebook computer battery. First, we use professional equipment to detect the cause of the malfunction. There are many types of battery failure detection apparatus, such as: Texas Instruments product, the biggest product, Ateml products, and even some personal home-made products. Our company is the most commonly used TI (Texas) EV2300.

For notebook computers, the importance of the battery is self-evident. Laptop battery and the protection of the internal panels, batteries, battery charge storage, the Board is responsible for security work. Battery is a consumable amount of each will lead to decay, it will have a direct decision laptop battery is good or bad. :biggrin:

You need to use the AC , Batteries do not have to be seized, and it is so packed in notebook Mac book pro, and the battery will discharge, But it does not matter, now has a battery-management software, notebook, to 95% of the time will be enough,95% of the charge but not a charge, so it does not matter, so use it at ease. Besides used laptops is brought, but also do not consider so many problems, This problem has long been the notebook engineers help you wish good in comparison.

Unless you buy a notebook computer is in excess of one year of product inventory, Otherwise, it need not do so, Batteries since the battery when the factory has been activated the batteries in laptop batteries, when packaged as an equivalent to activate it past the test, So you get the hand of the battery, has long been active ever had, Do three times the process of charging and discharging battery only add to unnecessary deterioration.