ISDT K2 Air — AC/DC Dual-Channel Smart Charger with Bluetooth Control

The ISDT K2 Air is a compact and powerful AC/DC dual-channel smart charger designed for RC enthusiasts, drone pilots and demanding hobby users who want strong charging performance with modern app connectivity. With AC and DC input support, independent dual-channel operation and Bluetooth control via the ISD Link app, the K2 Air is a versatile charging solution for home, workshop, racetrack and field use.

With up to 200W charging power on AC input and up to 500W x 2 charging power on DC input, the K2 Air delivers impressive performance in a compact housing. Its independent dual-channel design allows two batteries to be charged at the same time, with separate settings for each channel. This makes it easy to manage different battery types, capacities or charging programs simultaneously.

The ISDT K2 Air supports a wide range of common hobby batteries, including LiFe, Li-Ion, LiPo, LiHv, Pb, NiMH and NiCd batteries. It supports lithium battery packs up to 6S, Pb batteries up to 12S and NiMH/NiCd batteries up to 16S, making it suitable for many RC cars, aircraft, drones, boats and general hobby applications.

The charger offers several useful battery management functions, including balance charging, fast charging, data storage, cycle charging and discharging. After charging is completed, the charger automatically stops the charging process, helping to support safe and efficient battery use.

Thanks to Bluetooth connectivity, the K2 Air can be connected to a mobile device through the ISD Link app. Users can monitor charging status, adjust charging parameters, view detailed information and manage charging tasks directly from their phone. Firmware upgrade support helps keep the charger up to date with the latest improvements.

The full-color LCD display provides a clear overview of the complete charging process. Important information such as voltage, current, charging time, selected mode, battery type, internal resistance and charged capacity is shown clearly, making the charger easy to operate manually as well.

The K2 Air is built with an efficient cooling design to support stable operation during high-power charging. Combined with safety functions such as abnormal voltage alarm, incorrect cell count alarm and automatic charge stop, the ISDT K2 Air offers a reliable and user-friendly charging experience for modern RC and hobby applications.

Compact, powerful and connected, the ISDT K2 Air is an excellent smart charger for users who want strong dual-channel performance with the convenience of mobile app control.

Key Features:

• Compact AC/DC dual-channel smart charger
• Bluetooth connection via ISD Link app
• Mobile monitoring and charging control
• Independent dual-channel operation
• Up to 200W charging power on AC input
• Up to 500W x 2 charging power on DC input
• Parallel charging support up to 800W / 35A
• Charging current up to 20A x 2
• Supports LiFe, Li-Ion, LiPo, LiHv, Pb, NiMH and NiCd batteries
• Compatible with lithium battery packs up to 6S
• Balance charging, fast charging, data storage, cycle charging and discharging functions
• Maximum balance current: 1.5A per cell
• Full-color LCD display
• Clear display of voltage, current, charging time, mode, battery type, internal resistance and charged capacity
• Firmware upgrade support
• Efficient cooling design for stable operation
• Abnormal voltage and incorrect cell count alarms
• Automatic charge stop when charging is completed
• Suitable for RC cars, RC aircraft, drones, boats, portable power applications and general hobby use

Technical Specifications:

Packaging Content:

• 1 x ISDT K2 Air Smart Charger