RBC-121 Battery Charger
Output..........................12 V DC, 4.0 A
Class 2 Equipment
Charge Time................2.5 Ah battery ≤ 40 minutes
5.0 Ah battery ≤ 80 minutes
Cooling ........................Passive convection cooling
Charging
Temperature Range ....32° F (0° C) - 113° F (45° C)
Charger Dimension .....6.0" x 5.6" x 3.7"
(153 x 142 x 94 mm)
Charger Weight ..........1.7 lb (0.77 kg)
Inspection and Set-up
WARNING
daily before use, inspect the charger and batteries
and correct any problems. Set up charger according
to these procedures to reduce the risk of injury
from electric shock, fire and other causes, and to
prevent tool and system damage.
1. Make sure the charger is unplugged. Inspect the
power cord, charger and batteries for damage or
modifications, or broken, worn, missing, misaligned or
binding parts. If any problems are found, do not use
charger or batteries until the parts have been properly
repaired or replaced.
2. Clean any oil, grease or dirt from the equipment.
This helps to prevent the equipment from slipping
from your grip, allows proper ventilation as well as
allowing any damage to be seen.
3. Check to see that all warning labels and decals on the
charger and batteries are intact and readable. Figure
3 shows the warning label location on the bottom of
the charger. Figure 2 shows the battery labels.
4" (102 mm)
Figure 3 – Warning Label Location on Charger
4
4. Select an appropriate location for the charger before
use. Check work area for:
• Flammable liquids, vapors or dust that may ignite. If
present, do not work in area until sources have
been identified and corrected. Battery charger is not
explosion proof and can cause sparks.
• Clear, level, stable, dry indoor location for charger.
Do not use in wet or damp areas.
• Proper operating temperature range.
• Appropriate power source. Confirm that outlet match-
es the charger plug. Use of extension cords is not
recommended.
• Sufficient ventilation area. The charger needs a
clearance of at least 4" (102 mm) on all sides to
maintain the proper operating temperature.
Figure 4 – Inserting Power Cord
5. Insert power cord into charger (Figure 4). Confirm
securely installed.
6. This charger is provided with a keyhole hanging feature
if wall mounting is desired. Screws should be installed
at a center distance of 4" (102mm) – See Figure 3.
operating Instructions
WARNING
Follow operating instructions to reduce the risk of
injury from electrical shock.
Charging Procedure
New batteries reach their full capacity after approximately five
charging and discharging cycles. It is not necessary to
completely discharge a battery pack before recharging.
1. Set up charger according to Inspection and Set-Up
section.