This is the T-Motor S-Series S12A SK 2-4S High Frequency Brushless ESC. T-Motor S-Series ESC's have been developed to meet the demands of multirotor drone applications. Delivering the same quality and craftsmanship you have come to expect from T-Motor, S-Series ESC's will keep your craft safe and stable in the air. Utilizing the latest generation MOSFET's, S-Series ESC's are efficient and are incredibly reliable. S-Series ESC's are compatible with most motors, produce smooth, linear and accurate throttle response and have a super fast refresh rate up to 600Hz. 

Features: 

• Latest generation MOSFET's allow the ESC to run cool and remain reliable.
• Supports high RPM motors. Can be matched with most motors on the market.
• Smooth and accurate throttle response.
• Super fast 600Hz refresh rate.
• Extremely low internal resistance.

Specifications: 
Continuous Output: 12A 
Burst Output: 16A up to 10 Sec 
Max Power: 152W 
Input Voltage: 2-4S lithium battery or 5-12 cells NiCd/NIMh battery 
BEC: 5V/1A (Linear mode) 
Size (WxLxH): 22x33x8mm 
Weight: 10g 
User Program: No 
Battery Connector: JST