ReadyToSky 30A 2-4S BLHeli Brushless ESC

The ReadyToSky 30A is a single brushless ESC for 2–4S LiPo setups, running BLHeli firmware with a built-in 5 V / 2 A BEC. It suits DIY multirotors such as F450 and S500 builds, as well as fixed-wing models, with one speed controller per motor.

Key features

• Overload protection on the 30 A continuous rating
• 2–4S LiPo input, 7.4–14.8 V nominal
• Built-in BEC supplies 5 V at 2 A to a flight controller or receiver
• BLHeli firmware with adjustable throttle response and motor settings

Specifications

• Continuous current: 30 A
• Input: 2–4S LiPo (7.4–14.8 V)
• BEC output: 5 V / 2 A
• Firmware: BLHeli

A quadcopter needs four of these, one per motor. When several ESCs feed one flight controller, take 5 V from a single ESC's BEC and disconnect the red wire on the others so the BECs are not paralleled.