Can't MSI laptop battery be charged or deplete quickly? Replace your old battery with a brand new MSI battery for longer-lasting time. Quality matters when replacing a laptop battery. Our MSI batteries are made with Class A cells, which undergoes multiple quality and safety tests, to charge faster and last longer. Moreover, they are backed by a 30-day money-back guarantee and a 12-month warranty. Please feel free to pick the battery you need below.