Bay Valley PartsLenovo New Extended Replacement Laptop Battery for computer models B580 B595 E435 E49 E530 E535 M480 6-cells10.8V 5200mAh - with 1 Year Warranty Battery Type: 6-cells10.8V 5200mAh Color:black Weight: 308.7g Battery produced by highest quality materials including grade-A brand-new cells 100% New from Manufacturer. Meets and exceeds OEM specifications and lasts longer hours Package Includes: One unit of brand-new replacement laptop battery for E430 B590 M490 V385 B490 B495 B580 B595 E435 E49 E530 E535 M480 CE&RoHS Certificates for safety.