NORTHSTAR Batteries, NORTHSTAR

Laptop Battery for NORTHSTAR Laptop

NORTHSTAR Laptop Battery are specifically designed for each laptop brand and model. We offers a complete line of NORTHSTAR batteries and compatible replacements for most laptop models. We have developed a NORTHSTAR Laptop Battery finder tool that will guide you in choosing the correct battery and ac adapter for your laptop . Your first step is to choose your NORTHSTAR model from the list below.


Select by NORTHSTAR Laptop Machine Models

Battery Tips & Info:

Calculating laptop battery run time

Laptop batteries have two main ratings on them: Volts and Amperes. Because size and weight of laptop batteries is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Milliamperes. One thousand Milliamperes equals 1 Ampere. When buying a battery, select batteries with the most Milliamperes (or mAh). Batteries are also rated by Watt-Hours, perhaps the simplest rating of all. This is found by multiplying the Volts and the Amperes togethe ...

Why don't some laptops charge the battery while the unit is on?

This feature was taken out as it can cause memory effect on batteries. The laptop has to be turned off in order for the battery to be charged. ...

Please visit our FAQs session for more information ...

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