11.1V, 4400mAh, Li-ion Battery fits Lenovo, E41, E42, 48.84WhBattery Fits Models: E41, E42, E42g, E42l, K42 Battery Part Numbers: Asm P n Batft10l61, Batel80l6, Batel80l9, Batfl91l6, Fur P n 121zp000c Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We have had zero instances of a product being damaged while using one of our batteries in that time. This battery should be the same or greater capacity than the original battery. Battery selection can be a