In today’s connected world, keeping a close eye on battery performance is not just convenient, it is essential, especially for commercial vehicles, trucks and engineering vehicles. With this in mind, the leagend BMS100 has launched, the first 4G battery monitor in the market.
Monitoring of key battery data, such as voltage, internal resistance, cold cranking amps (CCA), state of charge (SoC) and state of health (SoH) can be beneficial. The ability to stream this data to the cloud and deliver real-time alerts to a smartphone, or check information via such a device, adds another vital tool when it comes to battery monitoring.
Seamless and Stable Data to the Cloud
By transmitting detailed battery metrics over Wi-Fi or 4G, the leagend BMS100 continuously monitors voltage, internal resistance, CCA, SoC, SoH and temperature. Users can choose to upload the data to cloud via Wi-Fi or a 4G connection, which makes the data transmission seamless and stable.
If users choose to adopt its 4G connection for data transmission, there is no range limit for data monitoring.
Anywhere Monitoring via Mobile App
The leagend BMS100 allows you to free yourself from standing beside the vehicle to monitor battery health.
A companion and free mobile app, available for both iOS and Android, lets you check your battery status from anywhere under 4G connection. Whether you are on a remote job site, on the road in your own vehicle, or elsewhere, you can:
- View current voltage, CCA, SoC, SoH and temperature readings in an intuitive dashboard.
- Drill down into historical curves to spot subtle changes in performance over weeks and months.
- Receive push-notification reminders as soon as battery voltage dips below safe thresholds or when SoH indicates end-of-life is looming.
If you prefer a larger screen, the same interface is accessible from any modern web browser, making it easy for teams of technicians to collaborate and share insights.
Low-Data, Low-Power 4G Communications
Even in areas without reliable Wi-Fi, the leagend BMS100’s 4G cellular module keeps your data flowing with minimal mobile-data usage. And because the device itself draws an average of just 1.5 mA, you will not inadvertently drain the very battery you are trying to protect.
Comprehensive Multi-Parameter Monitoring
A single monitor handles everything a battery professional needs:
- Voltage (6V to 32V): Covers all common 12V and 24V lead-acid or lithium batteries.
- Internal Resistance: Reveals hidden sulfation or plate corrosion before outright failure.
- Cold-Cranking Amps: Verifies cranking power for engine-start batteries (100–2,000 CCA).
- State of Charge and State of Health: Translates raw measurements into easy-to-understand health percentages.
- Temperature: Critical for adjusting charge algorithms and spotting thermal runaway risks.
Built-In Safety & Protection
To guard against common installation mishaps, the leagend BMS100 incorporates reverse-connection and short-circuit protection. If the clamps are accidentally reversed or a downstream short occurs, it instantly isolates itself, protecting both your battery and the monitoring electronics.
Applications & Compatibility
Designed for universal use, the leagend BMS100 supports virtually any 12V or 24V battery, whether it is used in automotive, marine, solar, backup-power or other applications. Operating reliably from –40℃ to 80℃, it thrives in engine bays, remote shelters and harsh outdoor environments alike.
How does the leagend BMS100 help tackle industry challenges?
Compared with general battery testers, the leagend BMS100 can provide 24/7 real-time battery monitoring; while compared with those common Wi-Fi battery monitors, its 4G connection is more stable without range limit.
- Real-time proactive maintenance: in-time early warnings let you replace or service batteries long before they fail under critical load.
- Data-Driven Insights: trend analysis highlights patterns—like seasonal capacity dips or accelerated aging after extreme discharge—that help optimize charge strategies.
- Peace of Mind: automated alerts mean you will never wake up to a dead battery or find your system offline at the worst possible moment.
BMS100 is a 4G battery monitor launched by leagend and is the first 4G battery monitoring tool in the industry.
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