Deltran Battery Tender Power Plus Manuel page 2

f) For positive-grounded vehicle, connect NEGATIVE (BLACK) clip from battery
charger to NEGATIVE (NEG, N, –) ungrounded post of battery. Connect POSITIVE
(RED) clip to vehicle chassis or engine block away from battery. Do not connect clip
to carburetor, fuel lines, or sheet-metal body parts. Connect to a heavy gage metal
part of the frame or engine block.
g) Connect charger AC cord to electrical outlet.
h) When disconnecting charger, turn switches to off, disconnect AC cord, remove clip
from vehicle chassis, and then remove clip from battery terminal.
i) See operating instructions for length of charge information.
16) FOLLOW THESE STEPS WHEN BATTERY IS OUTSIDE VEHICLE. A SPARK NEAR
THE BATTERY MAY CAUSE BATTERY EXPLOSION. TO REDUCE RISK OF A
SPARK NEAR BATTERY:
a) Check polarity of battery posts. POSITIVE (POS, P, +) battery post usually has a
larger diameter than NEGATIVE (NEG, N, –) post.
b) Attach at least a 60cm (24-inch) long 6-gauge (AWG) insulated battery cable to
NEGATIVE (NEG, N, –) battery post.
c) Connect POSITIVE (RED) charger clip to POSITIVE (POS, P, +) post of battery.
d) Position yourself and free end of cable as far away from battery as possible – then
connect NEGATIVE (BLACK) charger clip to free end of cable.
e) Do not face battery when making final connection.
f) Connect charger AC cord to electrical outlet.
g) When disconnecting charger, always do so in reverse sequence of connecting
procedure and break first connection while as far away from battery as practical.

The supply cord cannot be replaced. If the cord is damaged the appliance
should be scrapped.

Examine the battery charger regularly for damage, especially the cord,
plug and enclosure; if the battery charger is damaged, it must not be used
until it has been repaired.

This symbol indicates separate collection for electrical and electronic
equipment
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USER INSTRUCTIONS
AUTOMATIC CHARGING AND BATTERY STATUS MONITORING:
Battery Tender® chargers are completely automatic and may be left
connected to both AC power and to the battery that it is charging for long
periods of time. The charger output power, voltage, and current depends
on the condition of the battery it is charging.
ATTENTION: The Battery Tender
CIRCUITRY. The output alligator clips will not spark when they are touched
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together. The Battery Tender charger will not produce an output voltage
until it senses at least 2-3 volts from the battery. It must be connected to a
battery with the correct polarity before it will start charging a battery.
Therefore, if you plug the AC power cord into an AC power outlet, and if the
output alligator clips are not connected to a battery, and if you touch the
alligator clips together, there will be no electrical spark.
REVERSE POLARITY PROTECTION: The battery charger is protected
against any damage due to the DC output leads being connected to the
opposite polarity battery post. ELECTRICAL SPARKING will occur when
the clips are connected in this way.
THE OUTPUT CLIPS MUST BE CONNECTED TO A BATTERY BEFORE
THE CHARGER CAN PRODUCE AN OUTPUT VOLTAGE, EXCEPT
WHEN IN THE DC OUTPUT MODE
WORKING WITH A DEAD BATTERY OR A BATTERY WITH A VERY
LOW VOLTAGE:
If you try to charge a dead battery either lead-acid (standard) or AGM
having a voltage between 2-3 volts (8V for Li-Ion), the Battery Tender
charger will not start. An internal safety circuit prevents the charger from
generating any output voltage unless it senses at least 3 volts (8V for Li-
Ion) at the charger output.
NOTE:
If a 12-volt, lead-Acid (standard) battery has an output voltage of less than
9 volts when it is at rest, when it is neither being charged nor supplying
electrical current to an external load, there is a good chance that the
battery is defective. As a frame of reference, a fully charged 12-volt, lead-
Acid battery will have a rest-state, no-load voltage of approximately 12.9
volts. A fully discharged 12-volt, lead-acid battery will have a rest-state, no-
load voltage of approximately 11.4 volts. That means that a voltage change
of only 1.5 volts represents the full range of charge 0% to 100% on a 12-
Volt, lead-acid battery. Depending on the manufacturer, and the age of the
battery, the specific voltages will vary by a few tenths of a volt, but the 1.5-
volt range will still be a good indicator of the battery charge %.
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CHARGER HAS A SPARK FREE
NOTE:
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