Jefferson JEFBATCHG15-12 User manual

FEATURES
Designed for charging all types of 12V
lead-acid batteries including; Wet (Flooded),
Gel, MF (Maintenance-Free), CA (Calcium),
EFB (Enhanced Flooded Battery), and AGM
(Absorption Glass Mat) batteries
Suitable for charging battery capacities
from 2 to 400Ah and maintaining
all battery sizes
15A booster enables a fast charge
within 300 seconds
Temperature controlled
Supplied with 1.7 meter DC and 0.5 meter
battery clamp connectors
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User Manual
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JEFBATCHG15-12
1. SAFETY
WARNING:
The user must read and
understand all of the product
safety information prior to using
the JEFBATCHG15-12
Dynamo 15A Battery Charger - 12V.
• The JEFBATCHG15-12 has been designed
for charging all 6V and 12V lead-acid
batteries including; Wet (Flooded), Gel,
MF (Maintenance-Free), CA (Calcium),
EFB (Enhanced Flooded Battery), and AGM
(Absorption Glass Mat) batteries.
• Do not use this product to charge any
products outside of it's intended use.
• Before using the charger carefully read the
battery manufacturers specification,
precautions and recommended rates
of charge. Jefferson do not assume any
liability for misuse of this charger.
• Batteries contain explosive gases. Charging
should be carried out in a well ventilated
area and cool area away from sources of
heat flames and sparks.
• Indoor use only. This charger must not be
used outside in rain or snow conditions.
• Disconnect the mains cable. Before making
or breaking the connection to the battery
terminals, remove the plug from
the power supply.
• Connect the charger carefully. Make sure
the red clamp is attached to the battery
positive terminal. The black clamp attaches
to the negative. Do not reverse the clamps
or allow them to touch each other.
JEFBATCHG15-12
• Refer to the vehicle manufacturers
information. Follow these instructions fully
to make sure no damage occurs to the
vehicle or it’s equipment.
• Do not cover the charger. Allow air to
circulate around the charger to prevent
over heating.
• The charger is equipped with a time-lag
fuse inside. Over-heating will trip the fuse to
prevent damage and will not reset until
sufficiently cooled.
• Do not use the charger within the vehicle.
Stand it on a level firm surface to prevent
damage to the charger or vehicle.
• Do not tamper with this product. Repairs
and maintenance must be carried out by an
authorised service agent. Do not modify
this product in any way.
• Wear approved safety goggles (not safety
glasses) and latex/nitrile gloves. Before
charging a maintenance type battery the
electrolyte (battery acid) must be filled to
the maximum marked levels. Never use tap
water. Distilled water or electrolyte
must be used.
• Never attempt to charge non-rechargeable
batteries. Only charge lead acid batteries
within the voltage and amp hour capacities
of the charger.
• Never attempt to charge a frozen battery.
• Never attempt to charge a damaged or
distorted battery.
• Keep out of the reach of children.
12V
Battery Charger
2. INCORRECT POLARITY WARNING
3. CHARGING MODES
When the error LED warning is flashing,
it denotes a potential error in the
battery conditioner.
Several potential errors include;
1. Battery is not connected
2. Battery voltage is too low
3. Battery is connected incorrectly
Note: A buzz alarm may sound when the
temperature inside the charger is too high.
After the internal temperature reduces,
the charger will begin charging again.
The Jefferson JEFBATCHG15-12 Dynamo
15A Battery Charger - 12V, has seven modes:
Standby, 12V/2A, 12V/6A, 12V/10A, 12V/15A,
BOOST and SUPPLY. Do not operate the
charger until you confirm the appropriate
charge mode for your battery.
Using 12V BOOST Charge
To operate BOOST, the charger must be
connected to a 12V lead-acid battery with
the battery clamps connected. For optimal
results, allow BOOST to complete the 5
minute charge. After the 300 second boost,
the digital display will show "000" and you are
ready to start your vehicle (whether FULL light
is illuminated or not). If unseccussful when
starting your vehicle, let the battery rest for 15
minute and try boost again. Most vehicles will
start with one boost. Do not use the BOOST
feature more than twice within a 24 hour
period. If two boosts cannot successfully start
your vehicle, replace your vehicle battery.
Please note this is not a jump start device!

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4. SPECIFICATION
AC Input: 220-240VAC, 50-60Hz, 2.5A
DC Output: 12V DC, 2A/6A/10A/15A
12V DC, 15A (300 seconds
boost charge)
Efciency: 85% Approx
Power: 320W Max
Start Voltage: >3V
Charger Type: 8 steps, Full-automatic Charging Cycle
Battery Type: All Types of 12V Lead-acid Batteries
Battery Capacity: 2-400Ah, Maintains All Battery Sizes
Boost Mode: 300s for 12V Lead-acid Batteries
Supply Mode: 13.6V/7A
Housing Protection: 2-40d0Ah (12V) Maintains
12V lead-acid batteries
Ambient Temperature: 0°C ~ +40°C
Refrigeration: Natural Convection
Dimensions: 220 x 210 x 150mm
Weight: 0.7Kg
Housing Protection: IP20
5. CONNECTING THE BATTERY
1. Identify polarity of battery posts. The positive battery terminal is
typically marked by these letters or symbol (POS,P,+). The negative
battery terminal is typically marked by these letters
or symbol (NEG,N,-).
2. Do not make any connections to the carburettor, fuel lines,
or thin metal parts.
3. Identify if you have a negative or positive grounded vehicle. This can
be done by identifying which battery post (NEG or POS) is
connected to the chassis.
4. For a negative grounded vehicle (most common): connect the RED
POSITIVE jumper clamp first to the positive battery terminal, then
connect the BLACK NEGATIVE jumper clamp to the vehicle chassis or
negative battery terminal (the vehicle chassis is the common choice).
5. For a positive grounded vehicle: connect the BLACK NEGATIVE jumper
clamp first to the negative battery terminal, then connect the
RED POSITIVE jumper clamp to the vehicle chassis or positive battery
terminal (the vehicle chassis is the common choice).
6. When disconnecting, disconnect in the reverse sequence, removing
the negative first (or positive first for positive ground systems).
NOTE: If battery clamps are incorrectly connected to battery
terminals, the INCORRECT POLARITY WARNING light
will illuminate. Reverse the orientation of the battery clamps.
3. CHARGING MODES (CONTINUED)
Using 13.6V SUPPLY
If not connected with the battery, after starting up the charger is in the power supply mode by default. 13.6V SUPPLY mode provides a current of
7A (constant voltage and constant current). Prior to use, read your 12VDC device manual to determine if it is suitable for use with this mode. As
a power supply, it can also be used to retain a vehicle’s on-board computer settings during battery repair or replacement. Both spark proof and
reverse polarity protection are still able to function normally in this mode. If positive and negative battery clamp touched or connected to each
other, the charger will not generate sparks.
Mode DISPLAY POWER
(Light)
BOOST
(Light)
Explanation
Standby ---------- Blink Not charging or providing any power. If you want charging to pause,
press ON/OFF button and it will enter STANDBY mode.
12V/2A 02A Illuminated Connected to battery, it can turn into 2A by pressing CURRENT button.
This mode is recommend for 2-60AH batteries.
12V/6A 06A Illuminated Connected to battery, it can turn into 6A by pressing CURRENT button.
This mode is recommend for 14-230AH batteries.
12V/10A 10A Illuminated Connected to battery, it can turn into 10A by pressing CURRENT button.
This mode is recommend for 25-300AH batteries.
12V/15A 15A Illuminated Connected to battery, it can turn into 15A by pressing CURRENT button.
This mode is recommend for 30-400AH batteries.
BOOST FAS Illuminated Illuminated Connected to battery, it can enter BOOST mode by pressing BOOST button.
It takes 5 minutes to charge.
SUPPLY P12 Illuminated When the charger is not connected with battery, it automatically enter SUPPLY mode.
If you want to switch SUPPLY to Charge, connect the charger with a battery and press
ON/OFF button twice.

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6. CHARGING PROCESS
Step Explanation
1. Diagnosis Check if battery has connected with the charger and also check battery voltage
2. Desulphation If battery voltage is too low, programs automatically generate pulsing current
to remove sulphate
3. Analyse Check if the battery voltage reaches to the threshold after desulphation,
and charging begins if the battery voltage is OK
4. Soft Start Charge with echelon constant current
5. Bulk Charge with constant maximum current until battery voltage is reached to the threshold
6. Absorption Provide gradually declining current charge for maximum battery voltage
7. Analyse Test if the battery can hold charge
8. Maintenance Continuously monitor the battery, and charging current will intelligently adapt
to the variable battery voltage
7. CHARGING TIME
Battery Size
/Ah
Approx. Time to charge in hours (12V)
2A 6A 10A 15A
4 2 ---------- ---------- ----------
14 7 2.3 ---------- ----------
25 12.5 4.2 2.5 ----------
30 15 5 3 2
40 20 6.7 4 2.7
50 25 8.3 5 3.4
60 30 10 6 4
100 ---------- 16.7 10 6.7
120 ---------- 20 12 8
180 ---------- 30 18 12
230 ---------- 38.3 23 15.3
300 ---------- ---------- 30 20
400 ---------- ---------- 35 25
Voltage(V)
1
Current (A)
Different battery capacity and residual voltage would affect the charging time. Following data is only for reference (when discharge 12V lead-acid
battery to 9V, with 5A discharge current).
NOTE: After full charging cycle, use the battery to start the vehicles engine. If the engine does not start then the battery has depleted its storage
capacity and needs to be replaced. Consider hiring a professional to examine the vehicle itself for mechanical faults before
purchasing a replacement battery.
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Steps

Jefferson Professional Tools & Equipment, or hereafter “Jefferson” warrants its customers that
its products will be free of defects in workmanship or material. Jefferson shall, upon suitable
notication, correct any defects, by repair or replacement, of any parts or components of this
product that are determined by Jefferson to be faulty or defective.
This warranty is void if the equipment has been subjected to improper installation, storage,
alteration, abnormal operations, improper care, service or repair.
Warranty Period
Jefferson will assume both the parts and labour expense of correcting defects during the
stated warranty periods below.
All warranty periods start from the date of purchase from an authorised Jefferson dealer. If
proof of purchase is unavailable from the end user, then the date of purchase will be deemed
to be 3 months after the initial sale to the distributor.
1 Year
• Jefferson Dynamo 15A Battery Charger - 12V (JEFBATCHG15-12).
90 Days
• All replacement parts purchased outside of the warranty period
Important: All parts used in the repair or replacement of warranty covered equipment will be
subject to a minimum of 90 days cover or the remaining duration of the warranty period from
the original date of purchase.
Warranty Registration / Activation
You can register and activate your warranty by visiting the Jefferson Tools website using the
following address:
www.jeffersontools.com/warranty and completing the online form.
Online warranty registration is recommended as it eliminates the need to provide proof of
purchase should a warranty claim be necessary.
Warranty Repair
Should Jefferson confirm the existence of any defect covered by this warranty the defect will
be corrected by repair or replacement at an authorized Jefferson dealer or repair centre.
Packaging & Freight Costs
The customer is responsible for the packaging of the equipment and making it ready for
collection. Jefferson will arrange collection and transportation of any equipment returned under
warranty. Upon inspection of the equipment, if no defect can be found or the equipment is not
covered under the terms of the Jefferson warranty, the customer will be liable for any labour
and return transportation costs incurred. These costs will be agreed with the customer before
the machine is returned.
NOTE: * Jefferson reserve the right to void any warranty for damages identified as being
caused through misuse *
Warranty Limitations
Jefferson will not accept responsibility or liability for repairs made by unauthorised technicians
or engineers. Jefferson’s liability under this warranty will not exceed the cost of correcting the
defect of the Jefferson products.
Jefferson will not be liable for incidental or consequential damages (such as loss of business
or hire of substitute equipment etc.) caused by the defect or the time involved to correct the
defect. This written warranty is the only express warranty provided by Jefferson with respect to
its products.
Any warranties of merchantability are limited to the duration of this limited warranty for the
equipment involved.
Claiming Warranty Coverage
The end user must contact Jefferson Professional Tools & Equipment:
(Tel: [phone]) or their nearest authorised Jefferson dealer where final
determination of the warranty coverage can be ascertained.
Step 1 - Reporting the Defect
Online Method:
Visit our website www.jeffersontools.com/warranty and complete the Warranty Returns form.
You can complete the form online and submit it to us directly or download the form to print out
and return by post.
Telephone Method:
Contact your Jefferson dealer or sales representative with the following information:
• Model number
• Serial number (usually located on the specification plate)
• Date of purchase
A Warranty Returns form will be sent to you for completion and return by post or fax, together
with details of your nearest authorised Jefferson repair centre. On receipt of this form Jefferson
will arrange to collect the equipment from you at the earliest convenience.
Step 2 - Returning the Equipment
It is the customer’s responsibility to ensure that the equipment is appropriately and securely
packaged for collection, together with a copy of the original proof of purchase. Please note
that Jefferson cannot assume any responsibility for any damage incurred to equipment during
transit. Any claims against a third party courier will be dealt with under the terms & conditions
of their road haulage association directives.
NOTE: Jefferson will be unable to collect or process any warranty requests without a copy of
the original proof of purchase.
Step 3 - Assessment and Repair
On receipt, the equipment will be assessed by an authorised Jefferson engineer and it will
be determined if the equipment is defective and in need of repair and any repairs needed are
covered by the warranty policy. In order to qualify for warranty cover all equipment presented
must have been used, serviced and maintained as instructed in the user manual.
Where repair is not covered by the warranty a quotation for repair, labour costs and return
delivery will be sent to the customer (normally within 7 working days). Note: If the repair
quotation is not accepted Jefferson Professional Tools & Equipment will invoice 1 hour labour
time at £30 per hour plus return carriage costs (plus VAT).
In cases where no fault can be found with the equipment, or, if incorrect operation of the
equipment is identified as the cause of the problem, a minimum of 1 hour labour at £30 per
hour plus carriage costs will be required before the equipment will be despatched back to the
customer.
Any equipment repaired or replaced under warranty will normally be ready for shipment back to
the customer within 7 working days upon receipt of the equipment at an authorised Jefferson
Repair centre (subject to part availability). Where parts are not immediately available Jefferson
will contact you with a revised date for completion of the repair.
General Warranty Enquiries
For any further information relating to Jefferson warranty cover please call:
[phone] or send your enquiry via email to [email protected]
Disclaimer:
The information in this document is to the best of our knowledge true and accurate, but all
recommendations or suggestions are made without guarantee. Since the conditions of use are
beyond their control, Jefferson Tools® disclaim any liability for loss or damage suffered from
the use of this data or suggestions. Furthermore, no liability is accepted if use of any product
in accordance with this data or suggestions infringes any patent. Jefferson Tools® reserve the
right to change product specifications and warranty statements without further notification. All
images are for illustration purposes only.
LIMITED WARRANTY STATEMENT
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EC DECLARATION OF CONFORMITY
We, Jefferson Professional Tools & Equipment, as the authorised European Community representative of
the manufacturer, declare that this equipment conforms to the requirements of the following Directives:
Name and address of manufacturer
or authorised representative:
Jefferson Tools, Herons Way, Chester Business Park,
Chester, United Kingdom, CH4 9QR
Telephone: [phone]
Fax: [phone]
Email: [email protected]
www.jeffersontools.com
2014/30/EU - Electromagnetic compatibility
2014/35/EU - Low Voltage compliance
Signed By: Stephen McIntyre Date: 4th July 2018
JEFBATCHG15-12