Notice: Upgrade in new 25A 4in1 ESC like photos showed. October 31, 2024. Specification: Brand: Hakrc Item Name: 25A Blheli_S BB2 4 In 1 ESC Voltage: 2-4S Max Continuous Current: 25A Max Instantaneous Current: 30A Parameter Adjustment Software: BLHeliSuite Firmware Version: BL16.7 (G-H-20)Mounting Hole Spacing: 20*20mmProduct Size: 32*30*6mmPackaging Size: 飪樜?2*33mmProduct Weight: 5.3gPackaging Weight: 12.6g Support Dshot 150/300/600 PWM, Oneshot42/125 and Multshot Features: -- High-quality hardwareEMF8BB21F16G main control chip, operating frequency up to 48MHz. Imported mosfet, three-in-one IC driver, imported high-quality high-frequency ceramic capacitors. High-end PCB production process, the pads are all metallized to prevent the pads from falling off during use; 3 ounces of copper thickness, 4 layers of board, greatly reduce heat generation, higher efficiency. -- Highly integrated, compactIntegrated 4 high-performance 25A ESCS, built-in ammeter, purchased the latest advanced SMT, so that after such high integration, the volume is only the same size as the flight control of the flying machine, and the installation and wiring will become very simple. Such incredible size and volume are tailored for competition-level flying machines. -- Native support for BLHeli-SUsing BLHeli-S firmware, it has powerful performance and rich functions; and supports multiple ways to set ESC parameters or upgrade ESC firmware (such as through the throttle signal line, using other development boards, or using cleanflight or betaflight firmware flight control to set or upgrade the ESC). -- Hardware PWM, Damped LightHardware PWM drives the motor, with low noise and smoother throttle response. Damped Light technology and regenerative braking function make motor deceleration more sensitive and effective, and control more precise; active freewheeling technology allows the battery to recycle power and extend battery life. -- DShot150/300/600 ReadyNot only supports ordinary PWM throttle signal mode, Oneshot125, Oneshot42 and Multshot ultra-high-speed throttle signals, but also supports the latest DShot150/300/600 digital throttle, with strong anti-interference ability and rapid response. The input and output lines use soft silicone wires, which are very durabl, high temperature resistant, and easy to weld.Package Included:1x 25A 4 in 1 ESC