3S Super Power Cap's Module is specially designed for increasing the power of ESC. Handle voltage up to 3S Lipo max. Specifications Dimension: 55mm¡Ñ38mm¡Ñ20mm¡]L¡ÑW¡ÑH¡^ Maximum Working Voltage: 13V Operating Temp. Range: -40¢J - 60¢J Capacity: 2F