Archive for the ‘Laptop Battery’ Category

How to calibrate the battery

Calibrate the Battery Another way to address this issue is to pursue the following strategy: completely drain the laptop and attach the A/C adapter to replenish the battery system. 1.Fully Charged Up the Laptop Battery to 100 % , then unplugged power cable, and I let the battery drain. Upon reaching 99 % drainage you […]

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How to Repair a Laptop Battery

Laptop batteries have a way of weakening over time. That battery that used to last two hours per charge a year or two ago probably now only lasts a half hour. It can be frustrating, especially when you count on your laptop to be portable. You can repair your battery so that it lasts longer, […]

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How to re-calibrate laptop battery

The battery in your laptop is a complex and sensitive piece of electronic hardware. One of the ongoing quirks inherent in lithium ion batteries is that the actual power level in the battery and the power level read by the battery gauge can differ due to battery memory. To rectify this, manufacturers allow for their […]

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Safety circuits inside a Li-Ion battery pack

Inside a Li-Ion pack there is always a safety circuit that consists of four main sections: 1. The controller IC that monitors each cell (or parallel cells) voltage and prevents the cells to overcharge or overdischarge controlling accordingly the cutoff switches. Also the voltage across the switches is monitors in order to prevent  over current. […]

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Laptop Battery

Laptop batteries differ from other types of batteries in that they provide a relatively short service life and are expensive to replace.  Under good conditions, Lithium Lion provides 300 to 500 discharge/charge cycles or 2 to 3 years of service from the time the battery leaves the production line. The capacity loss occurs through increased […]

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