
40V Lithium Ion Battery Charger
MODEL #s 106053 (2A)/106054 (5A)
Operation Manual
This safety alert symbol identies important safety messages in
this manual. Failure to follow this important safety information may
!
result in serious injury or death.
Part # 107371 Rev A

For Service or Questions
Call 1-877-487-8275
720-287-5182
www.redbackpowerusa.com
Redback products are distributed by
1100 W 120th Ave, Suite 600
Westminster, CO 80234 • 720-287-5182

Operation
2
1
3
4
Charger Components
1. Slot for battery
2. Contacts
3. Ventilation slots
4. LED (charge status/fault messages)
5. Socket
6. Power cord
This charger can be used with an input voltage of 100-250V and an
AC frequency of 50-60 Hz. To avoid the risk of damage and injury,
only use the charger to recharge Redback 40V battery packs. Never
try to recharge non-rechargeable batteries.
5
6
!
WARNING
If the charger is plugged in and no LED lights are illuminated, check
that the power cord is rmly plugged into the side of the charger and
that the electrical outlet is live, by testing with a different electrical
appliance. If the charger still does not illuminate, do not use the
charger, and check an authorized service center.
Status indicator lights
The LED light indicates the operating status and the state of charge
of the battery.
LED steady red: The charger is ready to charge, but no battery
is connected
LED ashes green: Battery is charging.
LED steady green: The battery is fully charged and should be
removed.
LED ashes red: battery fault or overheat.
Charging the battery
Plug the charger into an AC outlet 100-240V (normal household
voltage). Insert the battery into the slots of the charger and slide
into place until the battery locks into place. The LED will ash green
while the battery is charging. Once the battery is fully charged, the
LED indicator will show a steady green light. Remove the battery by
pressing and holding the latch button 1 and sliding it out of the
charger 2. Do not leave the battery on the charger. Remove it when
it is fully charged. Lithium Ion batteries have no memory effect – a
partial charge will not damage your battery
Storage of the charger and battery
2
For long-term storage (more than 1 month), it is preferable that the
battery is fully charged and stored in a dry place at a temperature
between 50° - 77°F (10–25 °C).
1
The charger should be stored in the same conditions as the
battery, taking care that no foreign objects such as metal chips
enter through the ventilation slots of the charger. Ensure that the
battery is stored away from anything that might short out the power
connectors on the battery.

Warranty & Specications
IMPORTANT NOTICE
We, the manufacturer, reserve the right to change the product and/
or specications in this manual without notication. The manual is for
information usage only and the pictures and drawings depicted herein are
for reference only.
Warranty Repair and Service
Do not return this product to the store for warranty issues or repair. Call
our customer service department at 720-287-5182, 1-877-487-8275, or visit
www.redbackpowerusa.com for the location of the nearest service center.
Record the information below for future reference.
Model No.
Serial No.
Date of Purchase
Place of Purchase
SKU/Part No. 106053 106054
Description 40V Lithium Ion Battery Charger
Input Voltage 100-240V AC 100-240V AC
Output Current 2A (max) 5A (max)
Output Voltage 40V 40V
Input Frequency 50-60Hz 50-60Hz
Battery Charge Time 40V 2.0Ah - 70 min 40V 2.0Ah - 30 min
40V 4.0Ah - 135 min 40V 4.0Ah - 60 min
40V 6.0Ah - 200 min 40V 6.0Ah - 90 min
Warranty 1-Year Limited Warranty
Shipping Weight 1.98 lbs 2.65 lbs.
Redback products are distributed by
1100 W 120th Ave., Suite 600
Westminster, CO 80234 • 720-287-5182
For Service or Questions
Call 1-877-487-8275
720-287-5182
www.redbackpowerusa.com