Duracell POWERPACK300 Owner's Manual page 34

Jump-Starting a Vehicle's Engine
If no alarm sounds, and the Green Jumpstart Connection
LED is illuminated, then proceed to the next step.
7. Switch
ON
the jump-starting power switch.
Before starting the engine, make sure the Duracell®
Powerpack and the cables are clear of belts and fans.
8. Crank the engine for 4 seconds or until it starts,
whichever is first.
Lt.
WARNING: Fire hazard
Do not crank the engine for more than 4 seconds. The jump-start
feature is designed for short term operation only. Operating the
jump-start feature for more than 4 seconds may cause damage to the
unit. Allow the Duracell® Powerpack to cool down for at least 3
minutes after each jump-start.
9. Switch
OFF
the jump-starting power switch.
10. Remove the red positive (+) clamp and then the black
negative (-) clamp from the vehicle.
11. Store the jump-start clamps in the appropriate holder on
each side of the Duracell® Powerpack.
Important: Recharge the Duracell® Powerpack as soon as
possible after each use. See "Recharging the Duracell®
Powerpack Battery" on page 29.
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