The YiHi SX735J chipset is a high-performance control system designed for single-battery vaping devices (18650 / 20700 / 21700). It supports multiple output modes, advanced temperature control, and YiHi’s exclusive Pure Mode for improved flavor consistency and output stability. This guide explains all SX735J settings, modes, and features in a clear way, including how to configure the device for the best performance. What is the YiHi SX735J Chipset? The YiHi SX735J is an advanced vaping chipset developed for precision power control and enhanced flavor delivery. It is commonly used in premium vape mods and supports both beginner-friendly wattage control and advanced customization features. Key capabilities include: Wattage adjustment (5–100W depending on device) Temperature control (Ni200, SS316L, TCR) Voltage mode output YiHi Pure Mode for stable performance SXi-EQ custom power curves How to Turn On and Lock the Device Power On / Off To turn on the device, press the fire button 5 times quickly. The YiHi logo will appear, followed by the main interface. To turn off the device: Enter the main menu Select System Off Confirm shutdown Lock / Unlock Press the fire button 3 times to lock or unlock the device. This helps prevent accidental firing or misuse. YiHi SX735J Modes Explained Watt Mode (Power Mode) Watt Mode allows you to manually adjust output power based on your coil and preference. You can also select preset profiles such as: Soft Neutral Strong SXi-EQ custom curve modes This mode is ideal for users who want simple power control and consistent output. Temperature Control Mode (TC Mode) Temperature Control Mode…

(Designed for device makers and DIY lovers, delivering top-tier performance and customization to everyday users.) Large Screen=0.91''OLED=SX600HL Small Screen=0.69''OLED=SX600HS   The YiHi SX600H chipset is designed for device manufacturers, OEM brands, and advanced DIY mod users who need stable performance, precise control, and flexible customization. It supports multiple vaping modes including Wattage Mode, Voltage Mode, and Temperature Control (TC / TCR), making it a versatile vape chipset for modern box mod systems. This guide is optimized for both engineers and end users who want to understand how the SX600H works in real device applications. Highlights of YiHi SX600H Vape Chipset • High-precision constant power output with ±0.5% accuracy• Adjustable output range: 1W–60W vape power control• Supports Watt Mode, Voltage Mode, and Temperature Control mode• Ultra-precise resistance detection down to 0.0001Ω for stable coil reading• Compatible with single lithium battery box mod systems• External charging support: 5V / 1.5–1.8A charging module• Built-in vape safety protection system (short circuit / low resistance / overheat / reverse polarity)• Firmware upgrade support for OEM customization and advanced feature tuning• Designed for DIY modders, vape device engineers, and high-end vaping systems Power System & Charging • Battery configuration: single 18650 lithium battery (max 4.2V input)• External charging support: 5V / 1.5–1.8A charging board integration• Stable output control for consistent vape performance under different resistance loads Working Parameters (Vape Performance Specs) • Resistance range: Power mode: 0.10–3.0Ω Temperature control mode: 0.05–3.0Ω • Output range: 1–60W adjustable vape wattage• Maximum output voltage: 8V• Maximum current: 20A (at 0.15Ω load)• Static current: <1µA ultra-low standby consumption Temperature Control…