This new Premium Power Products laptop battery by eReplacements is 100% compatible with your original battery. eReplacements laptop batteries all come with a 1 year warranty and will meet or exceed the original laptop battery specifications. They are manufactured for high performance in our ISO 9000 factories using the best quality cells and most up to date safety and engineering control standards such as High/low temperature shut off protection, thermal runaway protection, overcharge shut off protection, discharge shut off protection, cell imbalance shut off protection, fire resistant plastic casing. They are manufactured using the most up to date TI chip set. Thousands of resellers, dealers and service companies over the years have trusted eReplacements to provide their customers with quality replacement batteries.