10
OPERATING INSTRUCTIONS
WHEN TO CHARGE THE BATTERY PACK
The Lithium-Ion battery pack can be charged at any time and will not develop a “memory” when charged
after only a partial discharge. It is not necessary to run down the battery pack charge before recharging.
Remove the battery pack from the tool and recharge it when it is convenient for you and your job.
1. Use the battery Fuel Gauge to determine when you need to recharge the battery pack.
2. You can “top-off” your battery packs charge before starting a big job or a long period of use.
3. Due to Lithium-Ion’s fade-free properties, the only time it is necessary to charge the Lithium-Ion
battery pack is when the pack has reached the end of its charge. To signal the end of charge, power
to the tool will drop quickly. Charge the battery pack as needed.
HOW TO CHARGE THE BATTERY
PACK
(fig 1)
A fully discharged battery pack will charge in about
3–5 hours in a surrounding temperature
between
0°C (32°F) and 40°C (104°F).
1. Align the raised electric contacts on the charging base
with the corresponding slots in the battery pack and
slide the charging base onto the battery pack (fig 1).
2. Connect the charger to a power supply.
3. The charger will communicate with the battery pack’s circuitry to evaluate the condition of the battery pack.
4. The Fuel Gauge LED lights on the battery will cycle from right to left during charging. This is part of the
normal charging operation.
5. After charging is complete, the green LED on the charger will be on and the Fuel Gauge LED lights will
turn off. The Fuel Gauge LED lights will not be displayed when the Fuel Gauge button is pressed while the
battery pack is on the charger.
6. The battery pack will fully charge, but will not overcharge, if left on the charger.
LED INDICATOR ON CHARGER
Battery Pack Status Red LED Green LED Explanation
Hot/Cold battery ON / Charging will begin when battery returns to
5°C (41°F)–40°C (104°F)
Defective battery Flashing / Battery pack is defective
Charging / Flashing Charging
Fully charged / ON Charging is complete
OPERATING INSTRUCTIONS
fig 1
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