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2. Insert the battery pack into the charger. The red (charging) light will blink

continuously indicating that the charging process has started.

3. The completion of charge will be indicated by the red light remaining ON

continuously. The pack is fully charged and may be used at this time or left in the

charger.

Indicator Light Operation

Charge Indicators

Some chargers are designed to detect certain problems that can arise with battery packs.

Problems are indicated by the red light flashing at a fast rate. If this occurs, re-insert

battery pack into the charger. If the problem persists, try a different battery pack to

determine if the charger is OK. If the new pack charges correctly, then the original pack is

defective and should be returned to a service center or other collection site for recycling.

If the new battery pack elicits the same trouble indication as the original, have the charger

tested at an authorized service center.

HOT/COLD PACK DELAY

Some chargers have a Hot/Cold Pack Delay feature: when the charger detects a

battery that is hot, it automatically starts a Hot Pack Delay, suspending charging

until the battery has cooled. After the battery has cooled, the charger automatically

switches to the Pack Charging mode. This feature ensures maximum battery life. The

red light flashes long, then short while in the Hot Pack Delay mode.

PROBLEM POWER LINE

Some chargers have a Problem Power Line indicator. When the charger is used with

some portable power sources such as generators or sources that convert DC to AC, the

charger may temporarily suspend operation, flashing the red light with two fast blinks

followed by a pause. This indicates the power source is out of limits.

LEAVING THE BATTERY PACK IN THE CHARGER

The charger and battery pack can be left connected with the red light glowing

indefinitely. The charger will keep the battery pack fresh and fully charged.

NOTE: A battery pack will slowly lose its charge when kept out of the charger. If the

battery pack has not been kept on maintenance charge, it may need to be recharged

before use. A battery pack may also slowly lose its charge if left in a charger that is

not plugged into an appropriate AC source.

WEAK BATTERY PACKS: Chargers can also detect a weak battery pack. Such

batteries are still usable but should not be expected to perform as much work. The

charger will indicate to replace battery pack.

Important Charging Notes

1. Longest life and best performance can be obtained if the battery pack is charged

when the air temperature is between 18°- 24°C (65°F and 75°F). DO NOT charge

the battery pack in an air temperature below +4.5°C (+40°F), or above +40.5°C

(+105°F). This is important and will prevent serious damage to the battery pack.

2. The charger and battery pack may become warm to touch while charging. This

is a normal condition, and does not indicate a problem. To facilitate the cooling

of the battery pack after use, avoid placing the charger or battery pack in a warm

environment such as in a metal shed, or an uninsulated trailer.

3. If the battery pack does not charge properly:

a. Check current at receptacle by plugging in a lamp or other appliance

b. Check to see if receptacle is connected to a light switch which turns power off

when you turn out the lights.

c. Move charger and battery pack to a location where the surrounding air

temperature is approximately 18°- 24°C (65°F - 75°F).

d. If charging problems persist, take the tool, battery pack and charger to your

local service center.

4. The battery pack should be recharged when it fails to produce sufficient power

on jobs which were easily done previously. DO NOT CONTINUE to use under

these conditions. Follow the charging procedure. You may also charge a partially

used pack whenever you desire with no adverse affect on the battery pack.

5. Under certain conditions, with the charger plugged into the power supply, the

exposed charging contacts inside the charger can be shorted by foreign material.

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