Before charging, read the instruc-
tions.
F8A
Fuse.
3. BATTERY
SPECIFICATIONS
BT 80 Li 4.0
Battery: 72V DC NOMINAL, 4.0Ah, 288Wh,
80V DC Max
Voltage per cell: 3.6V ; Number of cells: 40
Charge time: 60 min.
(use CGF 80 Li charger)
BT 80 Li 5.0
Battery: 72V DC NOMINAL, 5.0Ah, 360 Wh,
80V DC Max
Voltage per cell: 3.6V ; Number of cells: 40
Charge time: 75 min.
(use CGF 80 Li charger)
For the proper use, maintenance and storage
of this battery, it is crucially important that you
read and understand the instructions given
in this manual. To avoid serious injury, risk of
fire, explosion and danger of electric shock or
electrocution:
• DO NOT probe the charger with conductive
materials.
• If the battery pack case is cracked or damaged,
DO NOT insert into the charger. Replace with a
new battery pack.
• DO NOT charge these battery packs with any
other type of charger.
• DO NOT allow liquid inside the charger.
• DO NOT try to use the charger for any other
purpose than what is presented in this manual.
• DO NOT try to short circuit any terminals of
battery pack.
If the battery fluid gets in your eyes,
flush immediately
with clean water for at least 15 minutes. Get
immediate medical attention. Do not charge
the battery pack in rain or in wet conditions.
Do not immerse the tool, battery pack, or
charger in water or other liquid.
• Do not allow the battery pack or charger to
overheat. If they are warm, allow them to cool
down. Recharge only at room temperature.
• Do not cover the ventilation slots on the top of
the charger. Do not set the charger on a soft
surface i.e. blanket, pillow. Keep the ventilation
slots of the charger clear.
• Do not allow small metal items or material such
as steel wool, aluminum foil, or other foreign
particles into the charger cavity.
• Unplug the charger before cleaning and when
there is no battery pack in the charger.
• Do not place the battery pack in the sun or in
a warm environment. Keep at normal room
temperature.
• Do not try to connect two chargers together.
• Keep in shady, cool and dry condition, if the
battery is not charged for a long time; charge
the battery for 2 hours every 2 months.
• The battery pack cells may develop a small
leak under extreme usage or temperature
conditions. If the outer seal is broken and the
leakage gets on your skin:
• Use soap and water to wash immediately.
• Neutralize with lemon juice, vinegar, or other
mild acid.
• If leakage gets in your eyes, follow instructions
above and seek medical attention.
• Please check prior use, if output voltage and
current of the battery charger is suitable for the
charging battery pack.
• Do not use the charger in the circumstances
that the output Polarity does not match the load
polarity.
• For indoor use only.
• The cover may under no circumstances be
opened. If the cover is damaged, then the
charger may no longer be used.
• Do not recharging non-rechargeable batteries.
CHECKING BATTERY CAPACITY
Press the battery capacity indicator (BCI) button.
The lights will illuminate according to the batteries
capacity
level. See chart below:
BATTERY CAPACITY
INDICATOR (BCI)
BUTTON
Lights
3 Green Lights
2 Green Lightsi The battery is between 35%
EN - 2
LIGHT METER
Capacity
The battery is more than 75%
capacity.
and 75% capacity