Radio Shack 23-428 Specifications

Universal Battery
Charger
23-428
Thank you for purchasing the RadioShack Universal
Battery Charger. You can fully charge up to five different
sizes of batteries, including AAA, AA, C, D and 9V, and
both Ni-Cd (nickel-cadmium) and Ni-MH (nickel-Metal
Hydride) batteries with different capacities in different
chambers. Its multiple charging circuits allow you to
charge up to two 9V, up to eight AAA/AA, or up to four
C/D batteries. The special automatic shut-off circuit
senses when batteries are fully charged, and
automatically terminates charging. The charger's
reverse polarity protection prevents damage to your
batteries, as well as the charger when batteries are
installed incorrectly.
Charging / Discharging Batteries
Note: If the red indicator(s) flash(es) during the following steps, at least one of the batteries is bad and needs to be replaced.
1. Press OPEN to open the cover.
2. Insert up to four pair of AAA / AA or up to four C / D batteries into the battery chamber as indicated by the polarity symbols (+ and -) marked inside
each chamber. To insert a 9-volt battery, connect it to the terminals inside the chamber.
3. Plug the supplied adapter's barrel plug into the jack on the back of the charger, and then plug the adapter into a standard AC outlet.
4. To discharge AAA / AA or C / D batteries, press REFRESH once. The green indicator lights. When the batteries are fully discharged, the green
indicator turns off and the red charging indicator (or indicators) light. A charging indicator lights for each chamber containing battery. When AAA, AA,
C, or D batteries are fully charged, The charging indicator turns off. This is the end of the charging cycle.
5. To charge a 9V battery, insert it into one of the terminals inside either chamber. To charge a second 9V battery at the same time, insert it into the
remaining terminal.
6. When you finish, unplug the adapter from the AC outlet, then remove the batteries from the charger.
Notes:
• You can charge / discharge up to four pair of AAA / AA or up to four C / D batteries while the 9-volt battery charges are empty. You can charge /
discharge different types of batteries (AA and D, for example) in the different chambers, as long as the battery (or batteries) in each chamber are the
same type and same size.
• You can charge a 9V battery in one chamber and charge another size battery in the remaining chambers at the same time
• You cannot discharge 9-volt batteries.
• You cannot insert one AA and one AAA battery into the same battery compartment.
• If you charge two 9-volt batteries, you cannot charge any AA / AAA batteries at the same time, if you charge one 9-volt battery, you can charge up to
four AA / AAA batteries or up to two C / D in the other chambers.
• You cannot charge AA / AAA batteries with the C / D batteries' connector.
• The 9V charging channel has no automatic turn off feature. Be sure you do not exceed the times listed in "Charge Time", or the batteries' capacity
could be reduced.
Charging Hints
• It is normal for the batteries to become warm while charging.
o o
• Charge batteries in an area between 32 and 109 F (0
Do not try to charge batteries other than those listed in this manual, or use procedures other than those described in this manual.
o o
and 43 C). If the area is too warm, the batteries can lose their ability to charge.
REAR VIEW
Charging Current & Charge Time
1 Chamber 2 Chambers
Capacity Occupied Occupied
Type
Current Time Current
(mAh)
mAh (Hrs) mAh
AAA 800 2000 / 3 1.4 2000 / 3
AA 2000 4000 / 3 1.8 4000 / 3
C 3000 5000 / 2 1.2 5000 / 2
D 4500 5000 / 2 2.7 5000 / 2
9V 120 23 7.3 23
Discharging Current & Discharge Time
Type AAA AA
Capacity
800 2000
(mAh)
Current
1000 / 2 1000 / 2
(mA)
Time
1.3 3.9
(Hrs)
Safety Guard Protection Time
2 Chambers
Type 1 Chamber Occupied
Occupied
AAA / AA 3 Hrs 3 Hrs
C / D 4 Hrs 4 Hrs
What's Included
©2004 RadioShack Corporation.
User's guide - AC Adapter
All Rights Reserved.
RadioShack and RadioShack.com are trademarks
Universal Battery Charger
used by RadioShack Corporation.
Connect the AC adapter here.
3 Chambers 4 Chambers
Occupied Occupied
Time Current Time Current Time
(Hrs) mAh (Hrs) mAh (Hrs)
1.4 2000 / 3 1.4 2000 / 4 1.9
1.8 4000 / 3 1.8 4000 / 4 2.3
1.2 5000 / 3 1.9 5000 / 4 2.4
2.7 5000 / 3 4 5000 / 4 5.4
7.3 Not Applicable
C D 9V
3000 4500 120
500 500
Not Applicable
6.5 10
3 Chambers 4 Chambers
Occupied Occupied
3 Hrs 4 Hrs
6 Hrs 8 Hrs
Printed in China
0904-245-32101
23-428
05A04