Extra Digital Selected li-ion notebook batteries opens up new mobility and usage possibilities of your devices. These batteries are manufactured using new, high-quality, balanced features, rechargalbe cells that ensures the longest battery life and maximum capacity. These batteries do not have "memory effect," so they can be recharged at any time convenient for the user.Unique microcontrollers used in batteries: - Protects the battery from overload, overheating and ignition;- Optimizes the discharge settings to maximize battery capacity;- Ensures device safety during both heavy load and standby mode.The battery is suitable for the following computer models:ThinkPad Edge E120ThinkPad Edge E125ThinkPad Edge E130ThinkPad Edge E135ThinkPad Edge E320ThinkPad Edge E325ThinkPad X121eThinkPad X130eThinkPad X131eThinkPad X140eThe battery is suitable for use instead of these original battery models:0A362900A3629242T494342T494542T494742T494842T494942T495142T495742T495842T495942T496042T496142T496245N106Technical specification:Capacity: 4400 mAhElement type: Li-ionVoltage: 10.8 VColor: blackNotes: The list of compatible batteries and computers may not be complete. In case of doubt, always consult a consultant.Warranty: 6 monthsManufacturer: Extra Digital