Note: A fault condition is caused by a problem with the battery. The charger may indicate a fault because the battery is too hot or cold to charge reliably. Try to charge the battery again when it returns to the room’s ambient temperature. If the Amber indicator starts flashing on the second attempt, the battery should be discarded.

Quad Charger Cycle Times for RW 420

Battery Status

 

Time

 

Battery 80% Charged

 

2.5 Hrs

 

 

 

Battery Fully Charged

 

5 Hrs.

 

 

 

 

 

 

NOTE: These times are for completely discharged batteries.

Partially discharged Battery Packs will take less time to reach their charged state. Battery Packs which have reached 80% of their charge capacity may be used, however, it is recommended that you allow the batteries to reach a full charge to maintain maximum battery life.

The UCLI72-4 Quad Charger’s safety features will stop charging a battery after six hours regardless of its charge state.

Figure 4: UCLI72-4 Quad Charger

Power Supply

1. Slide Battery Pack into Charger Bay

2. Rock Battery Pack into place

Fast

 

 

 

 

 

Charge

Full

Charge

 

 

 

Fault

 

 

 

 

 

 

 

 

 

Ready

 

 

 

 

 

 

Fast

 

 

 

 

 

Charge

Full

Charge

 

 

 

Fault

 

 

 

 

 

 

 

 

 

Ready

 

 

 

 

 

Fast

 

 

 

 

 

Charge

 

 

 

 

 

Fault

Amber

 

 

 

 

 

Indicator

 

 

 

 

 

Green

 

 

Charger Bay

Indicator

Full Charge

Ready

Fast

 

 

Charge

Full

Charge

Fault

 

Power

 

Ready

 

 

Power Indicator

11

RW 420 User Guide