
CHARGING A BATTERY THAT IS INSTALLED IN A VEHICLE
CautIon: A marine (boat) battery must be removed and charged on shore. To charge it on board requires equipment
specially designed for marine use.
CautIon: A spark near the battery may cause it to explode. To reduce risk of spark near battery:
1. Position AC and DC cords to reduce risk of damage by hood, door, or moving engine part.
2. Stay clear of fan blades, belts, pulleys, and other parts that can cause injury to persons.
3. Check polarity of battery posts. POSITIVE (POS, P, +) battery post usually has larger diameter than NEGATIVE
(NEG, N, –) post.
4. Determine which post of battery is grounded (connected) to the chassis.
5. a) For NEGATIVE GROUNDED vehicle, connect POSITIVE (Red) clip from the battery charger to the POSITIVE
(POS, P,+) ungrounded post of the battery.
b) For POSITIVE GROUNDED vehicle, connect the NEGATIVE (Black) clip from the battery charger to the
NEGATIVE (NEG, N, –) ungrounded post of the battery. (This arrangement is usually found in pre-1970 foreign
vehicles or pre-1970 farm tractors. This is a rare occurrence.)
6. Connect the remaining battery charger clip to the vehicle chassis or engine block, as far away from the battery as
possible. Do not connect the clip to carburetor, fuel lines, or sheet metal body parts. Connect to a heavy gauge
metal part of the frame or engine block.
7. When disconnecting charger; disconnect AC cord, remove clip from vehicle ground and then remove clip from bat-
tery terminal.
8. If power is lost the settings will have to be re-set if power is not restored within 15 minutes.
9. Refer to the Operating Instructions for information on setting selector switches.
LOCATING THE BATTERY MANAGER
1. Locate the charger as far away from the battery as DC cables permit.
2. Never place the charger directly above the battery being charged; gases from the battery will corrode and damage
the charger.
3. Never allow battery acid to drip on the charger when reading specific gravity or filling the battery.
4. Do not operate the charger in a closed area or restrict ventilation in any way.
5. Do not set a battery on top of the charger.
6. Locate the charger at least 18" above the floor.
7. Do not place the charger where rain, snow, or other moisture could drip on it.
CautIon: Never alter AC cord or plug provided – if it will not fit outlet, have proper outlet installed by a qualified
electrician. Improper connection can result in a risk of an electric shock.
BATTERY MANAGER CONNECTION PRECAUTIONS
1.
CautIon: Connect and disconnect DC output clips only while the charger is disconnected from an AC outlet. Never
allow clips to touch each other.
2. When hooking up charger, attach one clip to battery and the other to a point away from battery.
3. Always make battery connections prior to plugging charger into AC outlet. When making each connection, twist or
rock clip back and forth several times to make a good connection and to reduce the risk of a clip slipping off and
creating a spark. Do not twist or rock clip on the battery after the second clip connection is made.
CHARGING A BATTERY OUTSIDE OF THE VEHICLE
CautIon: A spark near the battery may cause battery explosion. To reduce risk of a spark near battery:
1. Check polarity of battery posts. POSITIVE (POS, P,+) battery post usually has a larger diameter than NEGATIVE
(NEG, N,–) post.
2. Attach at least a 24” long, #6 gauge (AWG) insulated battery cable to NEGATIVE (Neg, N, –) battery post.
3. Connect POSITIVE (RED) charger clip to POSITIVE (POS, P, +) post of battery.
4. Position yourself and the free end of the cable (installed in step #2) as FAR away from the battery as possible.
FACING AWAY FROM THE BATTERY, connect the NEGATIVE (Black) charger clip to the free end of the cable.