NEW 14.8V 5200Mah Li-ION Notebook/Laptop Battery for Acer TravelMate 2304LCi 2318WLMi 4021WLMi 4103WLCi 4604WLM 4UR18650F-1-QC192 Black Chemistry: Li-ion (No Memory Effect) -Voltage : 14.8V Capacity : 5200Mah Package Includes: One battery for listed models. This Product Has 12 Months Replacement Warranty.