MotorGuide BATTERY CHARGERS - Manual (Page 8)

CHARGING BATTERIES
The MotorGuide battery charger is designed to charge and maintain your batteries. Please follow these
steps each time you use your MotorGuide charger:
1. Open all battery compartments and ventilate for at least 15 minutes before applying AC power to
your charger. While charging your batteries make sure to keep your battery compartment open
allowing for free air ventilation.
2. Make sure all DC battery connections are tight and clean. Follow battery manufacturer's
recommendations for battery cell caps (loosen caps if applicable).
3. Connect a heavy duty U.L. approved extension cord to the MotorGuide charger first. After connecting
the extension cord to the charger then proceed to plug the extension cord to a nearby 120VAC GFCI
protected (Ground Fault Circuit Interrupt) outlet.
4. Observe the on-board LED indicators for a solid blue and solid red LED Indication. This will tell you
the batteries are in the charging process.
5. Charge your batteries until only the blue and green LED indicators remains on. This indicates the
charging process is completed and your batteries are fully charged and are now being maintained in
a gentle float / storage mode. (recommended while your boat is not in use).
The battery charger can be left on in this mode indefinitely and will never overcharge your batteries.
Refer to the page 4.
6. When ready to use your boat, unplug the extension cord from the 120 VAC outlet first, followed by
unplugging the charger.
13
C H A R G I N G
6
INSTALLATION CONTINUED
vinyl or varnished areas. Be sure to place the MotorGuide Battery Charger in an accessible area
where all indicators are viewable. Confirm all battery cables can reach each of the batteries.
3. Using the battery charger mounting template included with this manual use a small awl or
screwdriver to mark the position of each mounting hole or tape the template in the mounting
area to drill the pilot holes.
4. Using a 1/8" drill bit, drill pilot holes in the (4) marked locations as described in step 3.
Apply a silicon sealer in each of the mounting locations to waterproof the screw holes.
5. Position the charger over the mounting holes and secure with a power screwdriver by installing
4 marine grade or #10 x 1” stainless steel screws. (mounting screws not included)
6. Prepare each battery in advance by cleaning each terminal post with a wire brush until
a shiny surface is obtained.
I N S T A L L A T I O N
IMPORTANT NOTICE
As you prepare to attach the positive (red) and negative (black) wires to the batteries there
will be brief low power spark that is generated as you make the connection. This is due
to the high frequency capacitors taking a charge. Make sure the black wires are connected
as illustrated to the negative side of the battery and the red wires are connected to the
positive side or the battery.
1/8" pilot hole
with silicon sealer
IMPORTANT NOTICE
Confirm the surface you will
be mounting the charger to
is adequate in strength and
thickness to hold the charger
in place with the mounting
screws you have selected.