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The Lithium battery is charged using a constant
current until the pack reaches the final charge
voltage of around 4.2 V per cell (point B). After
this the voltage is maintained at a constant
level, and the remainder of the charge takes the
form of a declining current curve.
A
The battery is approximately 95% charged
when all the LEDs go out (point C).
The battery can then be disconnected from the
charger, and is ready for use.
If the battery is left connected to the charger
at this point, more capacity is charged into the
pack, and at the same time the integral equali-
zer balances the cells accurately without over-
charging them.
There is no charge cut-off in the usual sense;
instead the current falls towards "zero" when
the battery is fully charged and balanced.
The charge process can be interrupted at any
time simply by disconnecting the Voltage Sen-
sor lead.
5. Specification
Input:
Cell count:
Charge current:
Charge termination:
Dimensions:
Protective functions
- input:
- output:
Operating instructions
Lipomat 5-4000
B
C
11...15 V DC
1 ... 5 LiPo cells
1, 2, 4 A
automatic
135 x 100 x 60 mm
reverse polarity guard
reverse polarity guard,
short-circuit protection
6. Safety notes
• The Lipomat 5-4000 is suitable solely for
charging rechargeable Lithium batteries. Do
not attempt to recharge dry cells - explosion
hazard.
• The charger is designed solely for use with an
11 ... 15 V DC power supply; do not connect
it to any other voltage.
• Protect the charger from dust, dirt and damp.
• Do not subject the charger to excessive heat
or cold, nor to direct sunlight.
• Avoid shock and pressure loads, and do not
subject the Lipomat 5-4000 to severe vibra-
tion.
• Do not place the charger and the batteries
connected to it on any form of flammable sur-
face. Do not operate the charger in the vici-
nity of inflammable materials or gases.
• Do not leave the charger operating unsuper-
vised. It is normal for the charger to become
quite hot when operating.
• Ensure that there is an unrestricted airflow to
the charger's cooling slots by extending the
long support legs. Never place it on a carpet
or felt surface.
• If you will not be using the charger for a pro-
tracted period, disconnect it from the power
supply and any batteries connected to it.
• Never charge any battery a second time
immediately after its initial charge.
• Do not charge a battery which is already
warm or hot to the touch. Allow packs to cool
down to ambient temperature before conti-
nuing.
• Packs to be charged as a unit must consist
of cells of the same make, the same type and
the same capacity.
• Take great care to maintain correct polarity of
the battery, and avoid short-circuits.
• Read the battery manufacturer's instructions
and adhere to them strictly.
• At regular intervals check the charger case
and cables for damage.
9
No. 8496
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