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  • Place of Origin: China (Mainland)
  • Brand Name: Blue Jay
  • Model Number: MTX105P-100S

Packaging & Delivery

Packaging Details Export Package
Delivery Time Within 10 working days after you order

BJ-MTX105P battery monitor meter is mainly used to measure the battery working condition data for different battery specification. With volt, amp, power, charge capacity, running time reading; Use outside shunt for large current connection, and SOC display function can real-time show the battery capacity.




- Two line LED display, upper screen show volt, power, running time; lower screen show amp capacity and SOC;
- Two- directional electrical parameters monitor, can display charging/discharging process;
- With on-line calibration function, the user can calibrate the voltage and current values;
- Use external shunt for amp data sampling, support up to 500A circuit measurement;
-* notes With battery type correction factor, provide high accuracy battery State Of Charge (SOC) metering; 
- User can free to set the measurement battery capacity, can used in variety types of battery systems.


Notes for SOC function: 

Battery Type Correction Factor(Ks)



Notes: Each type battery have different charge/discharge curves, MTX-105P add the correction factor Ks to reduce the affect, but battery SOC and capacity also depending on the different manufacturer, product batches, raw materials, and the use of time. So the SOC can not guarantee 100% accuracy.


Technical Specification:


Max. measurement voltage : 12~40VDC in 2 wire connection;

                                               0V~140VDC in 3 wire connection;

Max. measurement current: depends on the shunt(…/50mV);

Total 4 digit 7-segment LED display;

Power consumption: 1.2W(screen ON)

                                  0.3W(screen OFF)

Sampling rate 5 times/sec;

Resolution: 0.01V, 0.01A, 0.01W, 0.01AH, 0.01H;

Mounting: panel mount, Indoor.


Wiring mode


Notes: in 2 wire connection, voltage measurement max 40V, with jumper on the PCB pin.

In charging process, the “CHARGING” indicator will on.


Notes: in 3 wire connection, need provide external 10~40VDC AUX power, meter voltage measurement range max to 140V.




Manual operation


After wiring connection and power on, the meter will show volt data of the circuit in the upper LED screen, amp data in the lower LED screen.


Press the key “V/W” and “A/AH” to select the upper/lower screen.


V/W for value increase; in normal display screen switch show voltage, running hour, watt data

A/AH for value decrease; in normal display screen switch show current, amp-hour, battery SOC

Press key SET can ON/OFF the screen


Notes: in the first time MTX-105P connects one battery (or MTX-105P power OFF and restart), you will see the SOC is 100%, but after a short of time discharging, about 10 minutes will automatically adjust to the real SOC value!


Configuration Screen
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