This new Li-Ion laptop replacement battery from V7 is 100% compatible with your TravelMate 2300, 4000, 4010, 4020, 4100, 4500, 4600 series; Aspire 1410, 1640, 1650, 1680, 1690, 3000, 3500, 5000, 5002WLMi, 5510; Extensa 2300, 3000, 4100 laptop and is rated at 14.8V, 2200mAh. V7 laptop batteries meet or exceed the original ACER laptop battery specifications because they are manufactured for high performance in ISO 9000 factories using the best quality cells and most up to date safety and engineering control standards.