Schumacher Jump Starter and DC Power Source DC Power Supply IP-1875C - Manual (Page 5)

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4. The CHARGED (green) LED will light when the battery has reached full charge. This
could take up to 72 hours, depending on the age and condition of the battery.
5. Charge the Instant Power™ as soon as possible after use.
NOTE: To reduce the risk of damage to the electric plug or cord, pull by the plug rather
than the cord when disconnecting the Instant Power™ charger.
Do not use the Instant Power™ while charging the internal battery.
8. OPERATING INSTRUCTIONS
8.1 Jump Starting a Vehicle Engine
A SPARK NEAR THE BATTERY MAY CAUSE A
BATTERY EXPLOSION. TO REDUCE THE RISK
OF A SPARK NEAR THE BATTERY:
Do not use the Instant Power™
while charging the internal battery.
1. Turn the vehicle’s ignition OFF before making cable connections.
2. Position the DC cables to reduce the risk of damage by the hood, door and moving
or hot engine parts. NOTE: If it is necessary to close the hood during the jump
starting process, ensure that the hood does not touch the metal part of the battery
clips or cut the insulation of the cables.
3. Stay clear of fan blades, belts, pulleys and other parts that can cause injury.
4. Check the polarity of the battery posts. The POSITIVE (POS, P, +) battery post
usually has a larger diameter than the NEGATIVE (NEG, N, -) post.
5. Determine which post of the battery is grounded (connected) to the chassis. If the
negative post is grounded to the chassis (as in most vehicles), see step 8.6. If the
positive post is grounded to the chassis, see step 8.7.
6. For a negative-grounded vehicle, connect the POSITIVE (RED) clip from the Instant
Power™ to the POSITIVE (POS, P, +) ungrounded post of the battery. Connect
the NEGATIVE (BLACK) clip to the vehicle chassis or engine block away from the
battery. Do not connect the clip to the carburetor, fuel lines or sheet-metal body parts.
Connect to a heavy gauge metal part of the frame or engine block.
7. For a positive-grounded vehicle, connect the NEGATIVE (BLACK) clip from the
Instant Power™ to the NEGATIVE (NEG, N, -) ungrounded post of the battery.
Connect the POSITIVE (RED) clip to the vehicle chassis or engine block away from
the battery.
RISK OF EXPLOSION.
If you have connected the clips backward, an audio alarm will sound. DO NOT
turn the ON/OFF switch to the ON position. This could cause serious damage to
the Instant Power™ or the vehicle. Reverse the connections and the audio alarm
will stop.
8. Crank the engine. If the engine does not start within 5-8 seconds, stop cranking and
wait at least 1 minute before attempting to start the vehicle again. (This permits the
Instant Power™ battery to cool down.)
9. After the engine starts, immediately disconnect the clip from the vehicle chassis and
then the remove the clip from the battery terminal, in that order, and clip them back
onto the Instant Power™ storage holders.
10. Recharge the Instant Power™ as soon as possible after use.
RISK OF EXPLOSION.
To prevent sparking, NEVER allow the clips to touch together or to contact the
same piece of metal. Never attempt to jump start a frozen battery.
8.2
Powering a 12V DC Device:
The Instant Power™ is a power source for all 12V DC accessories that are
equipped with a 12V accessory plug. Estimated usage time is listed in the following chart.
Make sure the device to be powered is OFF before inserting the 12V DC accessory plug
into the 12V DC accessory outlet.