HP Envy 4-1257ER Laptop Battery, Envy 4-1257ER batteries Envy 4-1257ER adapter
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HP Envy 4-1257ER Laptop AC Adapter
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This HP replacement battery pack is a 3400mAh, 14.8, rechargeable, removable, Li-Polymer battery designed to work with HP Envy 4-1257ER. The Hi-Quality battery meets or exceeds original manufacturer specifications for the HP Envy 4-1257ER 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 Envy 4-1257ER includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.
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