Terms Used In Battery Charging; Normal Charging; Fast Charging; Trickle Charging - Multiplex ROYALpro 7 Manual De Instrucciones

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ROYAL
c. Charge the battery via the charge socket!
The battery management system can only calcu-
late the available charge quantity if you recharge
the battery via the charge socket.
d. Normal charging at constant current (210 mA)
If you leave the battery connected to the charger
for longer than the period calculated according to
the formula in Section 8.5.1, the battery manage-
ment system still displays the charge quantity
which you have set as the capacity in the menu
¡Setup, Transmitter.
8.5.

Terms used in battery charging

Full capacity and potential performance ...
... are achieved by NiMH batteries only after several
charge / discharge cycles (~5 cycles). The initial charge /
discharge cycles should be carried out at 0.1 C (210
mA). Don't fast-charge the battery until you have first
conditioned the pack in this way.
Charging at 1 C ...
... feeds 100% of the battery's nominal capacity into
the pack in one hour in the form of charged-in energy.
For a battery of 2000 mAh capacity a current of
2000 mA is required to achieve this. If this current is
used for charging, we speak of a 1 C charge. This cur-
rent value is found by simply taking the nominal ca-
pacity in mAh (or Ah), and omitting the "h" (hours).
8.5.1.

Normal charging ...

... means that the battery is charged at a current
within the range 0.05 C and 0.2 C. For a 2000 mAh
pack, for example, this means a charge rate of 100
mA to 400 mA.
To ensure that a rechargeable battery really is fully
charged, it is necessary to feed more than 100% of its
nominal capacity into the pack. The amount of the ad-
ditional charge is defined by the charge factor.
The charge time for a flat battery is calculated as fol-
lows:
Capacity [mAh]
Charge time [h] = -------------------------------
Charge current [mA]
!
Note the charge factor for normal charging!
For PERMABATT+ type batteries of 2100 mAh the
charge factor is 1.6. Using a charge current of 210 mA
(1/10 C) a flat battery must therefore be charged for
sixteen hours if it is to be charged fully.
8.5.2.

Fast charging ...

... means that the battery is charged at a current in the
range 0.5 C to 1 C.
!
Observe the maximum charge current!
For PERMABATT+ type batteries of 2100 mAh the
maximum approved fast-charge current is 1.4 A.
In this case the charge time is determined by the fast-
charger's automatic cut-off circuit.
14
8.5.3.
... means that the battery is charged at a current within
the range 0.03 C to 0.05 C.
!
For PERMABATT+ type batteries of 2100 mAh ca-
pacity we recommend a trickle charge current of 20
mA to 100 mA. At a trickle charge rate of max. 105
mA the battery can safely be left connected to the
charger for up to a year.
Many automatic battery chargers switch to a trickle
charge current when the main charge process is ter-
minated. If this is the case, we recommend that you
switch off the trickle charge no later than 24 hours af-
ter the charge process is complete.
8.6.
If you replace the transmitter battery by a pack other
than a genuine MULTIPLEX battery, please note the
following:
!
!
!

8.7. Transmitter battery care and storage

NiMH batteries should always be stored fully charged.
This avoids the danger of deep-discharging.
Store NiMH batteries at temperatures in the range 0°C
to 30°C, in dry conditions, away from direct sunshine.
Top up (recharge) unused NiMH batteries every six to
twelve months. This compensates for the self-
discharge effect, and avoids the danger of the cells
becoming deep-discharged.
Batteries which have been stored for a long period
should be conditioned (multiple charge / discharge cy-
cles). Note that the usable capacity of such batteries
may diminish after a long period of storage.
charge factor
*
8.8.
Do not dispose of exhausted rechargeable batteries in
the ordinary domestic waste. Take your old packs to a
suitable recycling centre. Make sure the batteries are
completely discharged beforehand, and insulate the
terminals to avoid the danger of short-circuit.

Trickle charging ...

Observe the maximum trickle charge current!

Replacing the transmitter battery

Maximum current via the charge socket: 2 A!
Be sure to follow the charging instructions
provided by the battery manufacturer!
Set the self-discharge rate to suit the battery
type you are using! (

Recycling

8.4., Fig. 8.4.2.).