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LENOVO THINKPAD W520 Laptop Battery, THINKPAD W520 batteries

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	Product ID: 1002594 Battery Chemical: Li-ion Battery Voltage: 11.1V Battery Capacity: 4400mAh Battery Color: black Type: replacement (learn more) Warranty: 12 months

11.10 V, 8400 mAh batteries for LENOVO THINKPAD W520

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	Product ID: 1002229 Battery Type: Li-ion Battery Voltage: 11.1V Battery Capacity: 8400mAh Battery Color: black Type: original (learn more) Warranty: 12 months

14.40 V, 2200 mAh batteries for LENOVO THINKPAD W520

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	Product ID: 1002593 Battery Type: Li-ion Battery Voltage: 14.4V Battery Capacity: 2200mAh Battery Color: black Type: original (learn more) Warranty: 12 months

10.80 V, 5200 mAh batteries for LENOVO THINKPAD W520

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	Product ID: 1002013 Battery Type: Li-ion Battery Voltage: 10.8V Battery Capacity: 5200mAh Battery Color: black Type: original (learn more) Warranty: 12 months

11.10 V, 6600 mAh batteries for LENOVO THINKPAD W520

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	Product ID: 1002595 Battery Type: Li-ion Battery Voltage: 11.1V Battery Capacity: 6600mAh Battery Color: black Type: replacement (learn more) Warranty: 12 months

This LENOVO replacement battery pack is a 4400mAh, 11.1, rechargeable, removable, Li-ion battery designed to work with LENOVO THINKPAD W520. The Hi-Quality battery meets or exceeds original manufacturer specifications for the LENOVO THINKPAD W520 Laptop Battery in quality, durability, and performance. Li-ion batteries do not suffer from the memory effect. They generally last between 300-500 charge/discharge cycles. All laptop batteries are tested for 100% quality control assurance. This battery for LENOVO THINKPAD W520 includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.