ISDT BattAir Plugin 3-4S — Smart Battery Module

The ISDT BattAir Plugin 3-4S is a compact smart battery module designed for compatible 3S and 4S lithium battery packs. When connected to a BattAir-supported ISDT charger, the module allows automatic recognition of battery parameters, making the charging process faster, safer and more convenient.

Using the BattAir app, users can view and manage their battery information directly from a smartphone. The app makes it possible to check battery power level, set battery parameters, monitor usage records and follow battery health information. OTA firmware updates are also supported, giving users more control over the battery management system.

The BattAir Plugin includes clear LED status indication. With a simple press, the module can show important information such as app connection, discharging status, battery charge level, initialization status, calibration error or firmware upgrading.

The ISDT BattAir Plugin 3-4S is small, lightweight and easy to use, making it a valuable accessory for RC users, drone pilots and hobbyists who want smarter battery management and more consistent charging routines.

Key Features:

• Smart battery module for 3-4S battery packs
• Works with compatible BattAir-supported ISDT chargers
• Automatic battery parameter recognition
• Real-time charging status monitoring
• Battery management through the BattAir app
• View battery power level, parameters, usage history and health information
• OTA firmware update support
• LED status indication
• Indicates app connection, discharging, battery level and firmware status
• Supports LiFe, LiPo, LiHv and ULiHv batteries
• Compact and lightweight design

LED Status Indications:

• App connected
• Discharging
• Power level above 90%
• Power level between 20% and 90%
• Power level below 20%
• BattAir Plugin not initialized
• BattAir Plugin not calibrated / error
• Firmware upgrading

Technical Specifications: