11.1V, 3800mAh, Li-ion Battery fits Lenovo, A500, E600, 42.18WhBattery Fits Models: A500, E600, E660, E680 Battery Part Numbers: Batdat20 If you are worried about the quality or the performance of the products from Cameronsino, take a look at the reviews from our customers. Sound quality is assured as the products are manufactured to a very high standard We supply generic replacements for the OEM batteries; we have had thousands of satisfied customers using these batteries as an economical alternative to the