Batterytec® Battery for Acer Aspire 4553, 4553G, 4745, 5553, 5553G, 5745, 5745G, 5745P, 5745PG, 5745Z, 7250, 7250G, 7339, 7739, 7739G, 7739Z, 7739ZG, 7745, 7745G; LX86 [10.8V 4400mAh 12 months guarantee] (Electronics)
The battery is imperfect because impossible to "click" on the laptop. Works correctly if the PC remains in place. Article sold nine was not sealed. Undoubtedly returned by an unsatisfied customer.