Pro Power 65C series batteries deliver up to 60% more power than previous generation LiPo batteries and up to an incredible 600+ cycles. Their ultra-low internal resistance (IR) also allows them to be capable of ultra-fast charge rates up to a technology-leading 12C* for charge times of 5 minutes or less.

This is a great battery for our indoor, 3D models. At 22 grams, it is fine for f3P too. Specifications:Type: Lithium Polymer Capacity: 325mAh, Voltage: 7.4V nominal, Number of Cells: 2, Weight: 22 grams, Configuration: 2S, Dimensions (LxWxH): 44x24.0x13.0mm, Maximum Continuous Discharge: 65C (21.1A), Maximum Burst Discharge: 130C (42.2A)