3LP73572P4H5R: 11.1 volt 1350mAh Li-PO battery for RC electric motors. 30C discharge rating. Includes balance charging connector and choice of Motor connector. Dimensions: 2.8" long x 1.3" across x 0.9" thick. Weighs 3.8 ounces. Replaces EFLB13503S30 (EC3 connector). Re-charges with smart Li-PO chargers such as B3AC, YT-0006S, UP100AC, etc.