Manual MODSTER EC-135
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cells with a higher voltage level can be overcharged�To measure the individual cell
voltage, the lithium batteries have a separate plug connection (voltage sensor cable),
from which a cable leads to each individual cell�The black cable (Pin1) is the negative
terminal of the first cell, Pin2 the positive terminal� The next contact in each case is the
respective positive pole of the subsequent cell�
Connect the voltage sensor cable to the Equalizer/Balancer connector on the charger
for charging, which conveniently and automatically brings all cells to the same voltage
value at the same time�
In addition, the voltage of each individual cell is monitored�
Connect the voltage sensor cable to the Equalizer/Balancer connector on the charger
for charging, which conveniently and automatically brings all cells to the same voltage
value at the same time�
In addition, the voltage of each individual cell is monitored�
Technical data:
Rated voltage: 3�7 volts/cell
Low charge rates protect the battery,
high charge rates reduce the number of cycles by approx� 10%�
End-of-charge voltage: 4�2 volts/cell (to be maintained to within 0�05 volts)
Discharge rate / discharge current:
Depending on battery type, e�g� a 25C battery can be discharged at a constant rate of
25C (25 times the rated capacity in Ah), and for a short time (for 3 seconds) up to 50C
(twice the constant discharge rate)� Examples:
25C (discharge rate), means capacity value x C rate = discharge current�
25C-battery with 1000mAh (1Ah) x 25C = 25A discharge current continuous/50A short
time
30C battery with 1000mAh (1Ah) x 30C = 30A discharge current duration/60A short-
term
45C battery with 1000mAh (1Ah) x 45C = 45A discharge current duration/90A short-
term
End of discharge voltage:
Lithium cells should be disconnected under load, at the latest at about 3 volts /cell� If
the voltage falls below the limit, the cell may be destroyed, explode and start to burn�
Maximum temperatures
Charging: +45°C, discharging +60°C
Temperature behavior
Lithium cells have a distinct temperature curve�
At temperatures below 10���15°C the removable capacity is significantly lower than at
20���35°C� Even at higher temperatures (above 35���40°C) the removable capacity is
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