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Charging Batteries
For best results, battery packs should be at room temperature before recharging them because
temperature impacts charging. The recommended temperature range is 50° to 95° F (10° to 35° C).
1. Supply power and turn the power switch to the ON position.
2. Insert batteries into the appropriate slots. The Status LED for each slot turns orange to indicate that
the battery has begun a charge cycle.
3. When the Status LED turns green, the battery in the slot has completed charging.
Recommendations for Storing Batteries
To maintain top performance from batteries, follow these storage guidelines:
• Avoid storing batteries outside of the specified temperature range of -4° to 104° F (-20° to 40°C) or in
extremely high humidity.
• For prolonged storage, do not keep batteries stored in a charger that is connected to a power source.