This HP replacement battery pack is a 4950mAh, 7.7, rechargeable, removable, Li-Polymer battery designed to work with HP Spectre 13(2016). The Hi-Quality battery meets or exceeds original manufacturer specifications for the HP Spectre 13(2016) 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 Spectre 13(2016) includes a one year warranty. We offer a 30 day money back guarantee and fast shipping on all of our products.