Continuous discharge rate: 10C Burst Rate : 15C Capacity: 4000mah Voltage: 7.4v Cells : 2 Size : 140mm * 48mm * 11mm Weight: 176g For longer life of the battery please do not charge it over 2A, The best rate is 1A or below. 7days Warranty for this super Lipo!! If there is any dead cell or unsatisfying, we must refund or replace to you.Why do we say this? Because we are proud of this high quality battery!!!!