The original Green Celldo Toshiba Satellite C50 C50D C55D C55D C70 L70 S70 S75 high quality cells - branded Green Cell cells provide high real capacity, as well as durability (battery after 300 full charging (about 1 year of use) retains over 80% capacity, and its durability is up to 1000 charging cycles, which is sufficient for approx. 2-3 years of unfailing work) modern control electronics - thanks to it, the battery works with the laptop exactly as the original battery, and the safety of the computer is extended and the cell-grade performance - the battery housing has been made of the highest quality of plastic and is perfectly matched to the original design, so we can be sure that we can easily install it on the laptop without any problem.