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Battery Resistance Meter
The X4 AC Pro has the ability to check your battery’s total internal resistance,
highest total resistance, lowest total resistance and the resistance of each cell.
Simply connect the battery to the charger via the main battery lead to battery
socket and the balance wires to the balance socket as shown below.
From the BATT/PROGRAM menu use the INC or DEC
buttons to scroll to the BATT RESISTANCE program,
press the ENTER/START button to enter the battery
resistance meter program.
The rst screen indicates each cell’s internal resistance.
Press the INC or DEC buttons to view the packs total
voltage and the cell with the highest and lowest internal
resistance.
TOTAL: 28mΩ
H: 12mΩ L: 5mΩ
012 005 005 mΩ
006 mΩ
BATT/PROGRAM
BATT RESISTANCE
Battery
Pack
Battery
Pack
Battery
Pack
Battery
Pack