EJ-BM21 Smart Battery Monitor with Bluetooth SOC meter

The BM21 Smart battery monitor is a high-precision meter that allows you to check the status of your battery via your Smartphone with the smart battery monitor App.

Through the use of 500A current shunt, the battery monitor measures the discharge or recharge currents and calculates the Ampere-hours(Ah) going in and out of the battery.

High-precision voltage measurements are taken and displayed in real-time through the use of a field-installed sense wire. BM21 battery monitor is well-suited for lithium, LiFePO4, Lead-aid and nickel-metal hydride batteries.

• Battery State of Charge (SOC)
• Battery voltage
• Battery Capacity
• Battery Current
• Power Watt
• Temperature
• Cycle Count