Radiolink Cool 9030 90A (2-4S) Brushed ESC for RC Vehicles

Radiolink Electronic Co., Ltd. was established in 2003 and specializes in researching, developing, and producing RC transmitters, flight controllers, receivers, GPS, drones, ESCs, airplanes, and balance chargers. The company has a professional research and development team, and utilizes automated production and testing instruments to provide high-quality, diverse products to its users, along with friendly after-sales service.

Radiolink's products are unique due to their production based on information technology manufacturing and automatic instrument testing, allowing for the provision of high-quality, diverse, and competitive technological products to users.

To obtain quick support, customers can contact the after-sales service at any time. They can find the company on the Radiolink Direct store or online User Instruction, where they can access full user manuals and FAQ troubleshooting files on each Amazon sales page.

Radiolink's team is passionate about their work, as they are not only professional researchers and developers but also RC hobbyists, which drives them to continuously improve and create more powerful products.

In the product description, it is important to note that Frequently Asked Questions and User Manual documents can be found below. Additionally, users should carefully read the manuals of all power equipment and the frame before using the ESC, to ensure that the power is reasonably matched and avoid motor overload due to the wrong power combination, which could eventually damage the ESC.

The ESC offers four working modes: Boat Mode (forward/reverse without brake), Training Mode (forward/reverse with brake), Racing Mode (forward and brake only, no reverse), and Crawler Mode (forward, reverse, and centered trigger to still the vehicle). The ESC also features multiple protections, including low-voltage cut-off, over-heating, and over-input voltage protection.

The COOL9030 ESC uses a 32-bit high-speed chip, a high-frequency switch-mode chip MP9943 from MPS, and 18 years of circuit design experience, resulting in a throttle sensitivity of up to 2000 and providing smooth control. The NMOS H-Bridge drive design ensures a lower internal resistance and less self-heating compared to the common PMOS design. The high-efficiency, tunable BEC can maintain a stable voltage output of 5.5V/7.5V (selectable) even in the case of instantaneous high current, allowing it to power various servos and external electrical equipment.

The ESC is compatible with a wide range of RC radios and receivers, such as RC6GS V3, RC4GS V3, RC8X, Dumborc X6/X4, R8FG, R7FG, R6FG, R4FGM, R6F, and R8EF.

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