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HP COMPAQ 421 Laptop Battery, COMPAQ 421 batteries

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	Product ID: 1003163 Battery Chemical: Li-ion Battery Voltage: 11.1V Battery Capacity: 6600mAh Battery Color: black Type: replacement (learn more) Warranty: 12 months

10.80 V, 4400 mAh batteries for HP COMPAQ 421

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	Product ID: 1002152 Battery Type: Li-ion Battery Voltage: 10.8V Battery Capacity: 4400mAh Battery Color: black Type: original (learn more) Warranty: 12 months

11.10 V, 4400 mAh batteries for HP COMPAQ 421

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	Product ID: 1002558 Battery Type: Li-ion Battery Voltage: 11.1V Battery Capacity: 4400mAh Battery Color: black Type: replacement (learn more) Warranty: 12 months

11.10 V, 8800 mAh batteries for HP COMPAQ 421

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	Product ID: 1002403 Battery Type: Li-ion Battery Voltage: 11.1V Battery Capacity: 8800mAh Battery Color: black Type: original (learn more) Warranty: 12 months

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This HP replacement battery pack is a 6600mAh, 11.1, rechargeable, removable, Li-ion battery designed to work with HP COMPAQ 421. The Hi-Quality battery meets or exceeds original manufacturer specifications for the HP COMPAQ 421 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 HP COMPAQ 421 includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.