Three cases you should buy a new battery for your lenovo thinkpad w520 laptop

  1, Generally speak ,The lithium battery can only charge 300-500 times, if your laptop has been purchased for more than 1 year and often use the lenovo thinkpad w520 battery, the battery life is getting shorter and shorter, then you need to buy a new battery.

  2, If your lenovo thinkpad w520 battery has been idle for more than six months and there is no fully charged and discharged, that would lead to capacity loss and the lenovo thinkpad w520 battery does not charge even if plugged for a long time. It states that the battery has lost activity, you need to replace a new battery.

  3, When use the laptop battery, you find that the battery is very hot, the internal cells may be damaged. You must stop using it right away and need a new lenovo thinkpad w520 battery replacement, so as not to cause greater losses.

Cheap thinkpad w520 11.1V,10.8V,14.4V,9 cell 6 cell 4 cell laptop batteries

1. original battery for lenovo thinkpad w520, 11.1 voltage, 8400 mAh, 9 cells, Li-ion laptop batteries

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	Product ID: 1002229 Battery Type: Li-ion Property: original battery [?] Voltage: 11.1 V Battery capacity: 8400 mAh (9 cell) Color: black Related lenovo series: Thinkpad Warranty: 9 months

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2. original battery for lenovo thinkpad w520, 10.8 voltage, 5200 mAh, 6 cells, Li-ion laptop batteries

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	Product ID: 1002013 Battery Type: Li-ion Property: original battery [?] Voltage: 10.8 V Battery capacity: 5200 mAh (6 cell) Color: Black Related lenovo series: Thinkpad Warranty: 9 months

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3. original battery for lenovo thinkpad w520, 14.4 voltage, 2200 mAh, 4 cells, Li-ion laptop batteries

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	Product ID: 1002593 Battery Type: Li-ion Property: original battery [?] Voltage: 14.4 V Battery capacity: 2200 mAh (4 cell) Color: Black Related lenovo series: Thinkpad Warranty: 9 months

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4. replacement battery for lenovo thinkpad w520, 11.1 voltage, 4400 mAh, 6 cells, Li-ion laptop batteries

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	Product ID: 1002594 Battery Type: Li-ion Property: replacement battery [?] Voltage: 11.1 V Battery capacity: 4400 mAh (6 cell) Color: Black Related lenovo series: Thinkpad Warranty: 12 months

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5. replacement battery for lenovo thinkpad w520, 11.1 voltage, 6600 mAh, 9 cells, Li-ion laptop batteries

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	Product ID: 1002595 Battery Type: Li-ion Property: replacement battery [?] Voltage: 11.1 V Battery capacity: 6600 mAh (9 cell) Color: Black Related lenovo series: Thinkpad Warranty: 12 months

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Lenovo thinkpad w520 Laptop AC Adapters

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	Product ID: 1061201 Input: AC 100~240V 50~60Hz Output Voltage: 20V Output Current: DC 4.5A Power: 90W Connector: 7.9mm*5.5m Property: original [?] Warranty: 12 months

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Lenovo thinkpad w520 Laptop AC Adapters

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	Product ID: 1061200 Input: AC 100~240V 50~60Hz Output Voltage: 20V Output Current: DC 3.25A Power: 65W Connector: 7.9mm*5.5mm Property: original [?] Warranty: 12 months

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Lenovo thinkpad w520 Laptop AC Adapters

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	Product ID: 1061123 Input: AC 100~240V 50~60Hz Output Voltage: 20V Output Current: DC 8.5A Power: 170W Connector: Special Property: original [?] Warranty: 12 months

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Lenovo thinkpad w520 Laptop AC Adapters

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	Product ID: 1061026 Input: AC 100~240V 50~60Hz Output Voltage: 20V Output Current: DC 4.500A Power: 90W Connector: 7.9mm*5.5mm Property: replacement [?] Warranty: 18 months

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Lenovo thinkpad w520 Laptop AC Adapters

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	Product ID: 1061065 Input: AC 100~240V 50~60Hz Output Voltage: 20V Output Current: DC 3.250A Power: 65W Connector: 7.9mm*5.5mm Property: replacement [?] Warranty: 18 months

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Lenovo thinkpad w520 laptop batteries can replace the following part number:

thinkpad w520 laptop battery is compatible with the following models :

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How long will my lenovo thinkpad w520 batteries last?

The lifespan of a thinkpad w520 laptop batteries will vary considerably with how it is used, how it is maintained and charged, temperature, and other factors.

Does lenovo thinkpad w520 batteries self-discharge when not in use?

All batteries, include thinkpad w520 laptop batteries, regardless of their chemistry, self-discharge. The rate of self-discharge depends both on the type of laptop battery and the storage temperature the batteries are exposed to. However, for a good estimate, wet flooded deep cycle laptop batteries self-discharge approximately 4% per week at 80°F.

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The thinkpad w520 laptop batteries and other products supplied by our Company are [replacement for] sold for use with certain product manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the manufacturers with which our products [are replacement for] may be used. Our Company and this Web site are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these manufacturers, nor are the products offered for sale through our web site manufactured by or sold with the authorization of the manufacturers with which our products [are replacement for] may be used.