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CHARGING PROCEDURE

Do not use in explosive atmospheres (gases, dust, fumes, etc.).

ATTENTION:

  Always switch OFF a transceiver equipped with a 

battery pack before inserting the transceiver into the charger.

1

  Plug the AC adapter cable into 

the adapter jack located on the 
rear of the charger.

2

  Plug the AC adapter into an AC outlet.

To AC outlet

(K type)

(X type)

3

  Slide a battery pack or a 

transceiver equipped with a 
battery pack into the charging 
slot.

• 

Make sure the metal 
contacts of the battery 
pack mate securely with 
the charger terminals.

• 

The indicator lights red 
and charging starts.

When charging is completed, the indicator fl ashing green. 
Remove the battery pack or the transceiver from the charging 
slot.

• 

When the charger will not be used for a long time, unplug 
the AC adapter from the AC outlet.

APPROXIMATE CHARGING TIMES

Battery Pack

Voltage

Charging Time

KNB-33L

7.4 V

140 minutes

KNB-47L

7.4 V

140 minutes

KNB-48L

7.4 V

170 minutes

KNB-54N

7.2 V

170 minutes

KNB-L1

7.4 V

150 minutes

KNB-L2

7.4 V

180 minutes

KNB-L3

7.4 V

240 minutes

KNB-N4 

7.2 V

170 minutes

For other battery packs, please contact your dealer or refer to the 
catalog of the transceiver.

KSC-32

INSTRUCTION MANUAL

RAPID CHARGER

Thank you for purchasing this charger.  This product will offer years 
of reliable service when used to charge the specifi ed battery packs.

FEATURES

• 

Capable of charging Li-ion and Ni-MH battery packs when 
either attached to or removed from the transceiver.

• 

Easy to use design allows you to start charging by simply 
sliding the battery pack into the charging slot.

• Overcharge 

protection. 

 Protects against reduced battery pack 

life caused by excessive charging.  After the rapid charge 
cycle has fi nished, the charger automatically switches to trickle 
charge (Ni-MH).

• 

Dual-color indicator informs you of the current charging status.

SUPPLIED ITEMS

Charger (W0B-0076-XX) ....................................................... 1

AC adapter ............................................................................ 1 

(K type: W0H-0055-XX)
(X type: W0H-0056-XX)

Instruction manual (B62-2229-XX) ........................................ 1

APPLICABLE BATTERY PACKS

Charge only the battery packs listed below.  Other types of 
batteries may burst, causing personal injury.

KSC-32 (K, X types)
• Ni-MH: 

KNB-54N KNB-N4 

• Li-ion: 

KNB-33L KNB-47L KNB-48L KNB-L1

 

  KNB-L2 

KNB-L3

ORIENTATION

Charging slot

Slide a battery pack or a transceiver 
equipped with a battery pack into this 
slot.

AC adapter jack

Plug in the supplied AC adapter here.

Dual-color Indicator

Informs you of the current charger 
status.

SPECIFICATIONS

AC Voltages 

100 - 240 V

Dimensions (W x H x D)
<charger only> 

102 x 56.4 x 131.5 mm
4.02 x 2.22 x 5.18 in

Weight <charger only> 

Approx. 190 

g

/ 0.42 lbs

ATTENTION: 

 Check the rating label attached to the bottom of the 

charger for other important specifi cations.

CHARGING TIPS

  Using the transceiver while charging its battery pack will 

interfere with correct charging.

  If the operating time of a battery pack decreases although the 

battery pack is fully and correctly charged, the battery pack life 
is over.  Replace the battery pack.

  The ambient temperature should be from 41°F/ 5°C to 104°F/ 

40°C while charging is in progress. 

 

 

When the ambient temperature is in the upper limits (close 
to 104°F/ 40°C), the charging time may become longer than 
normal.

  The charging times provided are obtained when a battery 

pack discharged to 1 V/cell x 6 (Ni-MH) or 3 V/cell x 2 (Li-
ion) is charged at normal temperatures.  This charging time 
varies depending on the degree of discharge and the ambient 
charging temperature.

  This charger may be suitable to charge battery packs not listed 

herein, due to further technology development.  Check your 
transceiver Instruction Manual to confi rm whether this charger 
is suitable for your battery pack.

  If the battery pack contacts are not properly mated with the 

charger terminals, the indicator may 

fl ashing

 red or may remain 

unlit.  To resolve this problem, reinsert the battery pack after 
cleaning the batter pack contacts and the charger terminals.

  Repeatedly recharging a fully charged battery pack, or almost 

fully charged pack, shortens its operating time.  To resolve this 
problem, use the pack until it is completely discharged, then 
recharge the pack to full capacity (Ni-MH) .

  The battery life in charge/discharge cycles is approximately 

300.  However, overcharging and excessive discharging 
shortens the battery pack life.

  When using this equipment near a radio or television, you may 

experience interference with reception.

CHARGER STATUS TABLE

Indicator Color

Meaning

Red

A battery pack is in the battery pack slot and 
charging has started.

Flashing Red

The battery pack is defective or the battery pack 
contacts are not properly mated with those of the 
charger.

Flashing Green

Charging is completed; remove the battery pack 
from the charger.

One or more of the following statements may be applicable to this 
equipment:

FCC WARNING

This equipment generates or uses radio frequency energy.  Changes 
or modifi cations to this equipment may cause harmful interference 
unless the modifi cations are expressly approved in the instruction 
manual.  The user could lose the authority to operate this equipment if 
an unauthorized change or modifi cation is made.

INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY THE 
FCC

This equipment has been tested and found to comply with the limits for 
a Class B digital device, pursuant to Part 15 of the FCC Rules.  These 
limits are designed to provide reasonable protection against harmful 
interference in a residential installation.
This equipment generates, uses and can generate radio frequency 
energy and, if not installed and used in accordance with the 
instructions, may cause harmful interference to radio communications.  
However, there is no guarantee that the interference will not occur 
in a particular installation.  If this equipment does cause harmful 
interference to radio or television reception, which can be determined 
by turning the equipment off and on, the user is encouraged to try to 
correct the interference by one or more of the following measures:
•  Reorient or relocate the receiving antenna.
•  Increase the separation between the equipment and receiver.
•  Connect the equipment to an outlet on a circuit different from that 

to which the receiver is connected.

•  Consult the dealer for technical assistance. 

SAFETY PRECAUTIONS

Please read all safety instructions before using this charger.  For 
best results, be aware of all warnings on the charger, the battery 
pack, and the product using the battery pack.  Follow the provided 
operating instructions, and retain them for future reference.

• 

Do not disassemble the charger.  Incorrect reassembly can 
cause fi re or electric shock.

• 

Use of an attachment not recommended by nor sold by 

KENWOOD 

can cause fi re, electric shock, or injury.

• 

Do not expose the charger to rain or moisture, to avoid the risk 
of fi re or electric shock. 

• 

Do not use an extension cable unless absolutely necessary.  
Improper extension cables can cause fi re or electric shock.  If 
an extension cable is required, observe the following points:

a)  The quantity, size, and shape of pins on the extension cable 

plugs must be the same as on the AC adapter supplied with 
the charger.

b)  The extension cable must be properly wired and in good 

electrical condition.

c)  The wire size must be adequate to carry the current 

required by this charger.

 

Extension cables shorter than 100 feet:                                

 

•  Wire size must be 18 AWG or larger

 

Extension  cables  100  to  150  feet,  inclusive:                                              
•  Wire size must be 16 AWG or larger

• 

Always remove the AC adapter from a wall outlet before 
attempting to inspect or clean the charger.  Removing the 
battery packs or changing the controls does not remove the AC 
voltage from the charger.

• 

Position the AC adapter cable so it will not be stepped on, 
tripped over, nor subjected to damage.

• 

Always remove the AC adapter from an AC wall outlet by 
pulling on the adapter rather than the cable.

• 

Do not use the charger if it has a damaged AC adapter or 
adapter cable, or if the charger has been damaged in any 
way. Contact your 

KENWOOD 

dealer to replace or repair the 

damaged part.

• 

Prevent strong impacts, such as caused by dropping, since the 
charger can be damaged.

• 

Do not use the charger in hot or humid environments, in direct 
sunlight, nor near heaters.

• 

Do not use solvents such as benzene or paint thinner to clean 
the charger.

• 

Use only the supplied AC adapter.

• 

The socket-outlet shall be near the equipment and shall be 
easily accessible.

• 

Do not install this equipment in a confi ned space such as a 
book case or similar unit.

• 

Attention should be drawn to the environmental aspects of 
battery disposal.

B62-2229-30 (K, X)

© 2016 

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