JUNCTEK manufactures precision electronic measurement instruments, including Bluetooth battery monitors, Coulomb counters, and signal generators for DIY and industrial power systems.
JUNCTEK (Hangzhou Junce Instruments Co., Ltd.) is a manufacturer specializing in the research, development, and production of digital measuring instruments and power electronic modules. The brand is well-regarded in the DIY, solar, and automotive communities for its affordable yet feature-rich battery monitoring systems.
Their product lineup includes the popular KG and KL series of Bluetooth Coulomb counters, which provide real-time tracking of voltage, current, and battery capacity via smartphone apps. Additionally, JUNCTEK produces programmable signal generators and DC power supplies used in laboratories and electronic testing environments.
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Download the specific app for your model (e.g., KG-F or KL-F series), enable Bluetooth on your device, and search for the device within the app's system settings.
Inaccurate readings often occur if the zero capacity or full capacity voltage isn't set correctly. It is recommended to perform a full charge and discharge cycle to calibrate the meter.
Yes, JUNCTEK Coulomb counters automatically identify and measure current flow in both charging and discharging directions.
Firmware updates for Bluetooth-enabled models are often handled directly through the mobile application under system settings.