HSX new Laptop Battery AC14B18J for Acer TravelMate B115-M B115-MP Chromebook 13 CB5-311(11.4V 36WH) Battery type:Li-ion Voltage:11.4V Capacity: 36wh Compatible part numbers:AC14B18J Fit for: Acer TravelMate B115-M B115-MP Chromebook 13 CB5-311 Warranty:12 months long