marinco Charge Pro 27101 User manual

502-2 & 503-2 instructions
instruction manual
marinco.com
1.1 and 4.3 AMP
Charge Pro™ Portable Chargers
MODELS: 27101 and 27104
The Marinco 27101 and 27104 chargers are designed to recharge, maintain
and extend your battery’s life in applications where your battery is stored for
long periods of time. These chargers are very versatile with selectable battery
chemistries, voltages and connectors for your battery. The chargers operate on
115 Volt, 60 HZ AC and show the charge level of your battery.
WARNING THIS CHARGER SHOULD BE USED TO CHARGE ONLY 6 OR 12
VOLT DC LEAD ACID, AGM OR GEL CELL TYPE BATTERY SYSTEMS. USE
ON OTHER THAN 6 OR 12 VOLT DC SYSTEMS CAN CAUSE THE BATTERY
TO EXPLODE AND CAUSE PERSONAL INJURY.

2
Charge Pro™ Portable Chargers Instructions
IMPORTANT SAFETY INSTRUCTIONS
A) SAVE THESE INSTRUCTIONS - This manual contains important safety and
operating instructions for the battery chargers. Read the entire manual before
using. Also read all instructions and cautions for and on the charger, batteries
and equipment in the vicinity of the batteries.
B) Do not expose the charger to rain or snow.
C) Use of an attachment not recommended or sold by Marinco may result in a
risk of fire, electric shock, or injury to persons.
D) To reduce the risk of damage to electric plug and cord, pull by the plug rather
than the cord when disconnecting charger.
E) Do not use an extension cord unless absolutely necessary. Improper
extension cords result in a risk of fire and electric shock. If you must use an
extension cord, make sure that:
i. The pins on plug of extension cord are the same number, size and shape
as those of plug on charger
ii. The extension cord is properly wired and in good electrical condition
iii. The wire size is large enough for the AC ampere rating of charger as
specified in the table below
F) Do not operate the charger with a damaged cord or plug. If the cord or plug is
damaged, replace it immediately.
G) Do not operate the charger if it has received a sharp blow, been dropped, or
otherwise damaged in any way.
H) Do not disassemble charger. Incorrect reassembly may result in a risk of
electric shock or fire.
I) To reduce the risk of electric shock, unplug the charger from the outlet before
attempting any maintenance or cleaning. Turning off controls will not reduce
risk.
Extension Cord Length Feet (M) AWG Size of Cord
25 (7.6) 18
50 (15.2) 18
100 (30.5) 18
150 (45.6) 16

3
Charge Pro™ Portable Chargers Instructions
Personal Precautions
A) Consider having someone close enough by to come to your aid when you
work near a lead-acid battery.
B) Have plenty of fresh water and soap nearby in case battery acid contacts
skin, clothing, or eyes.
C) Wear complete eye protection and clothing protection. Avoid touching eyes
while working near battery.
D) If battery acid contacts skin or clothing, wash immediately with soap and
water. If acid enters eye, immediately flood eye with running cold water for at
least 10 minutes and get medical attention immediately.
E) NEVER smoke or allow a spark or flame in vicinity of battery or engine.
F) Be extra cautious to reduce the risk of dropping a metal tool onto the battery.
It might spark or short-circuit battery or other electrical part that may cause
explosion.
G) Remove personal metal items such as rings, bracelets, necklaces and
watches when working with a lead-acid battery. A lead-acid battery can
produce a short-circuit current high enough to weld any of these items to
metal, causing a severe burn.
H) Use charger for charging a LEAD-ACID battery only. It is not intended to
supply power to a low voltage electrical system other than in a starter-motor
application. Do not use battery charger for charging dry-cell batteries that are
commonly used with home appliances. These batteries may burst and cause
injury to persons and damage to property.
I) NEVER charge a frozen battery.
WARNING – RISK OF EXPLOSIVE GASES
1) WORKING IN VICINITY OF A LEAD-ACID BATTERY IS DANGEROUS.
BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL
OPERATION. FOR THIS REASON, IT IS UTMOST IMPORTANCE
THAT YOU FOLLOW THE INSTRUCTIONS EACH TIME YOU USE THE
CHARGER.
2) To reduce the risk of battery explosion, follow these instruction and those
published by battery manufacturer and manufacturer of any equipment you
intend to use in vicinity of battery. Review cautionary marking on these
products and on engine.

4
Charge Pro™ Portable Chargers Instructions
Preparing To Charge
A) If necessary to remove battery from vehicle to charge, always remove
grounded terminal from battery first. Make sure all accessories in the vehicle
are off, so as not to cause an arc.
B) Be sure area around battery is well ventilated while battery is being charged.
C) Clean battery terminals. Be careful to keep corrosion from coming in contact
with eyes.
D) Add distilled water in each cell until battery acid reaches level specified
by battery manufacturer. Do not overfill. For a battery without removable
cell caps, such as valve regulated lead acid batteries, carefully follow the
manufacturer’s recharging instructions.
E) Study all battery manufacturer’s specific precautions while charging and
recommended rates of charge.
F) Determine voltage of battery by referring to car owner’s manual and make
sure that output voltage selector switch is set at correct voltage.
DC Connection Precautions
A) Connect and disconnect DC output clips and remove AC cord from electric
outlet.
B) Never allow clips to touch each other.
C) Attach clips to battery and chassis.
Follow these steps when battery is installed in vehicle. A spark near
battery may cause battery explosion. To reduce risk of a spark near
battery:
A) Position AC and DC cords to reduce risk of damage by hood, door or moving
engine part.
Charger Location
A) Locate charger as far away from battery as DC cables permit.
B) Never place charger directly above the battery being charged; gases from the
battery will corrode and damage charger.
C) Never allow battery acid to drip on charger when reading electrolyte specific
gravity or filling battery.
D) Do not operate the charger in a closed-in area or restrict ventilation in any
way.
E) Do not set a battery on top of the charger.

5
Charge Pro™ Portable Chargers Instructions
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) Connect POSITIVE (RED) charger clip to POSITIVE (POS, P, +) post of
battery.
C) Do not face battery when making final connection.
D) When disconnecting charger, always do so in reverse sequence of
connecting procedure (disconnect AC power, then disconnect charger clips).
E) A marine (boat) battery must be removed and charged on shore. To charge it
on board requires equipment specially designed for marine use.
B) Stay clear of fan blades, belts, pulleys, and other parts that can cause injury
to persons.
C) Check polarity of battery posts. POSITIVE (POS, P, +) battery post usually
has larger diameter than NEGATIVE (NEG, N,–) post.
D) Determine which post of battery is grounded (connected) to the chassis. If
negative post is grounded to chassis (as in most vehicles), see (E). If positive
post is grounded to the chassis, see (F).
E) For negative-grounded vehicle, connect POSITIVE (RED) clip from battery
charger to POSITIVE (POS, P, +) ungrounded post of battery. Connect
NEGATIVE (BLACK) 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.
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) When disconnecting charger disconnect AC cord, remove clip from vehicle
chassis, and then remove clip from battery terminal.
Operation
A) Avoid operation under adverse ambient conditions under all circumstances.
Adverse ambient conditions include: ambient temperatures above 104° F (40
°C), flammable gases, solvents, vapors, dust, and relative humidity above
80%.
B) Do not use the battery charger inside a vehicle. The battery charger must not
be used in the vicinity of flammable substances or gases.

6
Charge Pro™ Portable Chargers Instructions
Notes on rechargeable batteries
A) Make sure you observe all safety instructions and charging instructions of the
battery manufacturer.
B) Before connecting the battery to the battery charger, disconnect the battery
from any loads or cables (turn off the loads first!).
C) Always disconnect the ground connection from the battery before
disconnecting the positive terminal.
D) Disconnect the battery from the battery charger before connecting any loads
to the battery.
E) When connecting or disconnecting the battery, sparks might be produced.
Therefore, make sure there is sufficient ventilation!
F) Observe the polarity when connecting the battery to the battery charger (red
charger terminal = positive/+, black charger terminal = negative/ ).
G) Lead acid batteries contain aggressive and corrosive acids. Avoid skin or
eye contact with battery fluids! Never dismantle lead acid batteries! On skin
contact, clean the affected areas thoroughly with water and soap. On eye
contact, rinse the effected eye immediately with clear and cold running water!
Then consult a doctor immediately!
H) Batteries must not be short circuited or thrown into fire. Risk of fire and
explosion!
C) Ensure that there is sufficient ventilation during operation. Never cover the
battery charger or the connected battery.
D) Never charge lead acid batteries in containers or poorly ventilated rooms.
Explosive gases can be generated during the charging process!
E) Keep the battery charger as well as the battery away from ignition sources.
Do not smoke while handling the battery charger or the battery! There is
danger of explosion!
F) Never operate the device immediately after it has been taken from a cold to a
warm room. The condensation generated can cause malfunctions and there
is also the risk of a deadly electric shock!
G) Persons (including children) who have insufficient knowledge or experience
in using the device or who are physically, sensorial or mentally handicapped
may only use the device under the supervision of a person responsible for
their safety. Children must be kept under supervision and may not play with
the device.
H) Check the battery voltage before starting the charging process. Only 6 and
12 Volt batteries can be recharged.

7
Charge Pro™ Portable Chargers Instructions
Disposal
At the end of its useful life, do not dispose this product together with normal
household waste. Drop it off at a collection center for the recycling of electrical
and electronic devices. This is indicated by the symbol on the product, on the
instruction manual or on the packaging. The materials of which this product is
made are recyclable pursuant to their labeling. With the reuse, the recycling of the
materials or other forms of scrap usage you are making an important contribution
to the protection of the environment. Please ask your local administration office
for the appropriate disposal center.
LED
Illuminated
Description
1 12V FLOODED - for charging 12V Flooded batteries
2 12V GEL/AGM - for charging 12V GEL/AGM
1 & 2 12V Cold - for charging 12V Flooded Batteries at low temp
(below 40° F, 4°C).
3 6V FLOODED - for charging 6V Flooded batteries
4 6 V GEL/AGM - for charging 6V GEL/AGM
3 & 4 6 V COLD - for charging 12V Flooded Batteries at low temp
(below 40° F, 4°C).
5 Power is applied to the charger
6 There is a problem (short circuit / battery is defective /
reversed polarity)
7 Lights indicate charge status (25%, 50%, 75%, 100%)
1
5 6
3
2
7
4

8
Charge Pro™ Portable Chargers Instructions
Charging A Lead Acid Battery
Observe the instructions and safety information of the vehicle to find out how the
vehicle battery should be charged. Modern vehicles are equipped with sensitive
electronic parts and controls that can be damaged if you do not proceed properly!
A) First make sure your lead acid battery is a 6V or 12V battery. Do not charge
batteries with different operating voltages!
B) Determine the chemistry of your battery. This should be on the battery or
contact the battery manufacturer.
C) Disconnect all loads from the battery. If the battery is installed in a vehicle,
turn off the ignition and any other loads.
D) The red and black DC cable coming out of the charger has a connector at
the end. This connector will connect to the alligator and ring terminal cables
supplied with the charger. Connect the cable needed and make sure the
connection is secure.
E) When the battery cables are connected to the battery, and the charger is
plugged in to the power supply (115 V 60 HZ AC), all LED’s will illuminate
for 2 seconds.
F) If this is the first time the charger is powered, only the power “ON” LED will
be illuminated. The “Mode” button needs to be pushed to select the battery
voltage and chemistry.
The charger remembers the last setting and will start in that setting again
the next time the charger is used.
G) If the “Error” LED is illuminated, unplug AC connection of the charger from
the electric outlet, check to make sure the connections are secure and the
polarity of the cables to the battery is correct. Plug the charger back into the
electric outlet. If the “Error” LED continues to illuminate there is a problem
with the battery.
H) Now you can select a function using the mode button. See “Operating Modes”
for a description of the individual operating modes.
I) Push the “Mode” button once for 12V, flooded battery. Continue to push the
“Mode” button until you select the correct voltage and chemistry that matches
your battery.
J) There will be a five second delay until the charger starts the charge. This is
to provide time to select the correct voltage and battery chemistry. When the
charge cycle starts, the charge status LED’s 25, 50, 75, 100% will illuminate
letting you know the battery charge level.
K) When the 100% LED is illuminated the charge is complete and the charger
can be disconnected first from the AC power then the DC connection
removed.
L) First remove the clamp from the negative terminal and then from the positive
terminal.

9
Charge Pro™ Portable Chargers Instructions
Operating Modes
12V FLOODED mode
• This mode is suitable for 12V Flooded battery size found in the specifications
section at ambient temperature.
• To select this mode, press the MODE button until LED 1 lights up. The
charging process starts automatically, LED 1 is lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.
12V GEL/AGM mode
• This mode is suitable for all 12V GEL or AGM battery size found in the
specifications section at ambient temperature.
• To select this mode, press the MODE button until LED 2 lights up. The
charging process starts automatically, LED 1 is lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.
12V COLD mode
• This mode is suitable for all 12V Flooded, GEL, AGM or spiral wound AGM
battery size found in the specifications section at low temperature.
• To select this mode, press the MODE button until LEDs 1 & 2 light up. The
charging process starts automatically, LEDs 1 & 2 are lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.
6V FLOODED mode
• This mode is suitable for 6V Flooded battery size found in the specifications
section at normal ambient temperature.
• To select this mode, press the MODE button until LED 3 lights up. The
charging process starts automatically, LED 3 is lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.
6V GEL/AGM mode
• This mode is suitable for all 6V GEL or AGM battery size found in the
specifications section at ambient temperature.
• To select this mode, press the MODE button until LEDs 3 & 4 light up. The
charging process starts automatically, LEDs 3 & 4 are lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.

10
Charge Pro™ Portable Chargers Instructions
6V COLD mode
• This mode is suitable for all 6V Flooded, GEL, AGM and spiral wound AGM
battery size found in the specifications section at low temperature.
• To select this mode, press the MODE button until LED 4 lights up. The
charging process starts automatically, LED 4 is lit.
• When the battery is being charged, charge status (LED 7) lights up to
indicate the battery charging level.
Regeneration function:
This function is designed to regenerate deep discharged batteries. It is selected
automatically if required by the battery. If a deep discharged rechargeable battery
is connected to the charger, the regeneration mode is the first mode to start.
Low charging currents are used to allow a discharged battery to reach a normal
battery voltage again. The maximum time for regeneration is 20 minutes. If no
normal battery voltage is reached in this time, the charger stops the process and
LED 6 is on.
Defective rechargeable batteries
The charger recognizes defective rechargeable batteries automatically. In this
case the selected charging program will not be started. LED 6 is on. Have your
battery tested to see if there is a problem.
Mode Select
Press the MODE button to select a mode.
Cleaning
Disconnect the battery charger from the battery and the mains voltage before
cleaning it.
Clean the outside of the product with a clean, dry and soft cloth. Do not use
aggressive cleaning agents to avoid discoloration.
TROUBLE SHOOTING
A) No LED’s Illuminate – Check AC supply and voltage output with a meter.
B) Mode cannot be changed – Disconnect battery first and then change mode.
C) Error LED is on – Check if the battery is connected.
• Check if alligator or ring terminal leads are connected to the charger
output.
• Check if plus (red) output is connected to +/positive terminal of battery
and minus (black) output is connected to -/minus terminal of the battery.
• Check if battery terminals are clean and free of corrosion.
• Check the fuse

11
Charge Pro™ Portable Chargers Instructions
D) Charger is at 25% but a full battery is connected – Leave the charger
connected for 30 minutes before the charger status correctly shows the
battery status.
E) Charger does not charge after mode has been changed. – Wait for 5 seconds
before charging will start.
WARRANTY Statement
LIMITED WARRANTY
For two (2) years from the date of purchase, Marinco will, at its discretion, repair
or replace for the original consumer, free of charge, any part or parts found upon
examination by Marinco to be defective in material or workmanship or both. All
transportation charges under this warranty must be borne by the consumer.
Proof of purchase is required. Proof of purchase must be a computerized receipt.
Handwritten receipts are not accepted.
Warranty Claim
Thank you for contacting Marinco regarding the product concerns as related to
Form, Fit and Function.
Marinco offers an online warranty (RMA) request form on our website. www.
marinco.com in the resources tab. Please fill in the online form titled Marinco
Warranty Request.
For more information and installation guides, visit our website: www.marinco.com
27101 27104
Input voltage: 115 V 60 Hz AC
Charge end voltage: 7.1 V +/- 0.20 V (6V mode)
14.25 V +/- 0.2 V (12V mode)
Charging current: 1.1 amp 4.3 amp
Rechargeable battery type: Any 6V or 12 V lead acid batteries
(Flooded, AGM, GEL)
Battery Maintenance
Capacity: 1.2 – 40 Ah 14 – 120 Ah
Battery Charge capacity: 1.2 – 25 Ah 14 – 90 Ah
Protection type: IP65 (casing)
Weight 1.1 pounds (0.5 Kg) 3.5 pounds (1.6 Kg)
Specifications

For more information visit our
website: www.marinco.com
For a FREE catalog of Marinco Recreational
Group products, contact your local dealer or
visit Marinco.com.
marinco.com
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