This LENOVO 57Y6309 Laptop Battery can replace following machine Part No:

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This LENOVO 57Y6309 Laptop Battery is also compatible with following machine models:

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How Long the Running Time of the LENOVO 57Y6309 Laptop Battery?

LENOVO Laptop Battery have two main ratings on them: Volts and Amperes. Because size and weight of Laptop Battery is limited when compared to larger batteries such as car batteries, most companies show their ratings with Volts and Mill amperes. One thousand Mill amperes equals 1 Ampere. When buying a battery, select batteries with the most Mill amperes (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 together. For example:

14.4 Volts, 4000mAh (Note: 4000mAh is equal to 4.0 Amperes).

14.4 x 4.0 = 57.60 Watt-Hours

Watt-Hours signify the energy needed to power one watt for one hour. This LENOVO Laptop Batterycan power 57.60 watts for one hour. If your laptop runs at 20.50 watts, as an example, this laptop battery could power your laptop for 2.8 hours.

Understanding Your LENOVO Batteries Needs

We strive to make you Laptop Battery purchases easy. Since we understand that finding the right batteries for your needs can be overwhelming and confusing at times we developed an LENOVO Laptop Battery finder tool to help find the right size for the make and model of your equipment. We also offer educational articles and tips to help you conserve your batteries and understand common problems. By us providing education you are able to make the right purchasing decisions as well as provide proper care for all of your