7
ZCTBTSR9050
(02/21)
Battery Charging
1. Insert the power cord plug into the socket of the charger.
2. Plug the other end of cord plug into power source
outlet.
3. Insert battery pack in the charger. Position the battery
pack so that the battery sits flush with the top of the
charger.
—The green light will start flashing. This indicates
the charger is charging the battery pack.
4. The fuel gauge on the battery pack will display the
charge percentage % value status. Standard fast
charging time is 60 minutes.
—When the battery is 25% charged, one light will be
solid green.
5. When the fast charge is complete all (4) lights on the
battery pack will be solid green indicating battery is fully
charged and charger will indicate solid green light.
6. If the LED on the right hand side is flashing a yellow light
then the battery pack is either hot or cold. The charger
will not fast charge the battery if it is too hot or cold. The
charger goes into a fast charge mode when the battery
temperature is between 32°F (0°C) and 113°F (45°C).
7. If the LED on the right hand side is flashing a red light,
the battery pack is faulty and the charger will not charge
the battery.
8. When the fast charge is complete, battery voltage is
detected by the charger and it automatically turns off to
prevent an over-charge and all four lights on the battery
fuel gage will be on and charger will indicate solid green
light
9. The charger has one USB port, its output current is 0.5 A
and output voltage is 5 VDC. Do not connect to an
appliance requiring over 0.5 A.
Figure 1
: Inserting the Battery
A
B
B
C
Figure 2
: Battery Pack (CTB185)
A – Terminal
B – Latch Button
C – Fuel Gauge
L1 L2 L3 L4
Figure 3
: Fuel Gauge (CTB185)
L1 - Solid Light 25% Charge
L2 - Solid Light 50% Charge
L3 - Solid Light 75% Charge
L4 - Solid Light 1001% Charge
