VMAXTANKS BC8S1205A User manual

8-STAGE AUTOMATIC
MCU CONTROLLED & HIGH FREQUENCY SWITCHMODE
Instruction Manual
Please read user manual carefully before use.
P/No. BC8S1205A、BC8S1207A、BC8S1210A、BC8S1212A
BC8S1215A、BC8S1220A、BC8S2405A、BC8S2410A
BATTERY CHARGER & MAINTAINER

◆ Explosive gases may escape from the battery during charging. Prevent
flames and sparks. Provide adequate ventilation.
◆ Before charging, read the instructions.
◆ For indoor use. Do not expose to rain.
◆ For charging 12v agm gel and sla batteries.
◆ Disconnect the 110V/220-240V AC mains supply before making or breaking
the connections to the battery.
◆ The battery charger must be plugged into an earthed socket-outlet.
◆ Connection to supply mains is to be in accordance with National wiring rules.
◆ Do not attempt to charge non-rechargeable batteries.
◆ Never charge a frozen battery.
◆ If the AC cord is damaged do not attempt to use. It must be replaced or
repaired by a qualified person.
◆ Corrosive substances may escape from the battery during charging and
damage delicate surfaces. Store and charge in a suitable area.
◆ Ensure all vehicle accessories including lights, heaters, appliances etc are
turned off prior to charging.
◆ This appliance is not intended for use by young children or infirm persons
unless they have been adequately supervised by a responsible person to
ensure that they can use the appliance safely.
◆ Young children should be supervised to ensure that they do not play with the
appliance.
1
1. WARNING
2. FEATURES
8-STAGE AUTOMATIC CHARGING
This is a fully automatic battery charger with 8 charge stages.
Automatic charging protects your battery from being overcharged. So you can
leave the charger connected to the battery indefinitely.
8-stage charging is a very comprehensive and accurate charging process that
gives your battery longer life and better performance compared to using
traditional chargers.
8-stage chargers are suitable for most battery types including WET, MF, Calcium,
AGM, and GEL batteries. They may also help restore drained and sulphated
batteries.
The 8 stages are:
Desulphation ; Soft Start; Bulk; Absorption; Analyse; Recondition; Float. And Pulse.

The 8-stages are:Desulphation ; Soft Start; Bulk; Absorption; Analyse; Recondition; Float and Pulse.
V
A
1 2 345678
STEP 1
REMOVES HARMFUL
SULPHATE DEPOSIT
BEFORE CHARGING
BEGINS
STEP 2 STEP 3
MAIN CHARGING
BATTERY
IS CHARGED
T0 80%
STEP 4
TOP CHARGE
YOUR VEHICLE
CAN BE STARTED
AFTER THIS STEP
STEP 5
TESTS
WHETHER
THE BATTERY CAN
RETAIN A CHARGE
STEP 6
RECONDITIONS
DEEPLY
DISCHARGED
BATTERIES
STEP 7
FULLY CHARGED
BATTERY
SOFT START INCREASES
BATTERY LIFE BY GENTLY
STARTING TO CHARGE
THE BATTERY.
STEP 8
MAINTENANCE
CHARGING
2
GEL AGM WET CALCIUM LIMIT
11V/22V 11V/22V 11V/22V Max 8h
2
SOFT START
11V/22V
5
ANALYSE
3
BULK
8
PULSE
1
DESULPHATION
6
RECONDITION
4
ABSORPTION
7
FLOAT
100%
Current until
14.1V/28.2V
Constant
14.1V/28.2V
until current
drops to15%
Checks if
voltage drops
to 13.2V/26.4V
Constant
current (15%)
limited to
14.1V/28.2V
13.7V/27.4V
100% Current
During 12.6V-
14.1V/25.2V-
28.2V , the
current control
at 100%~20%
100%
Current until
14.4V/28.8V
Constant
14.4V/28.8V
until current
drops to15%
Checks if
voltage drops
to 13.2V/26.4V
Constant
current (15%)
limited to
14.4V/28.8V
13.7 V/27.4V
100% Current
During 12.6V-
14.4V/25.2V-
28.8V , the
current control
at 100%~20%
100%
Current until
14.7V/29.4V
Constant
14.7V/29.4V
until current
drops to15%
Checks if
voltage drops
to 13.2V/26.4V
Constant
current (15%)
limited to
16V/32V
13.7V/27.4V
100% Current
During 12.6V-
14.7V/25.2V-
29.4V , the
current control
at 100%~20%
Half the rated
until 12.5V/25V
100%
Current until
14.7V/29.4V
Constant
14.7V/29.4V
until current
drops to15%
Checks if
voltage drops
to 13.2V/26.4V
Constant
current (15%)
limited to
16V/32V
13.7V/27.4V
100% Current
During 12.6V-
14.7V/25.2V-
29.4V , the
current control
at 100%~20%
Max 8h
Max 24h
30 minutes
90Sec
30 min or 4h
de pending on
battery voltage
(Calcium model
must enter
Recondition stage)
10 days Charge
cycle restarts if
voltage drops*
Charge cycle
restarts if
voltage drops
Half the rated
until 12.5V/25V
Half the rated
until 12.5V/25V
Half the rated
until 12.5V/25V

3
Desulphation
The Desulphation stage may break down sulphation that occurs in batteries that
have been left flat for extended periods of time, returning them back to full charge.
Sulphation occurs when lead-sulphate hardens and clogs up the battery cells.
Soft Start
A preliminary charge processes that gently introduces power to the battery.
This protects the battery and increases battery life.
Bulk (Constant Current)
Charging with maximum current until approximately 80% battery capacity.
Bulk mode for the charging cycle. The start phase continues until the battery's
terminal voltage has risen above the set limit, at which point the charger
switches to bulk charging. If the terminal voltage has not passed the voltage
limit within the time limit, the charger switches to fault mode (Step 3 lamp solid)
and discontinues the charging. If so, the battery is faulty or its capacity is too large.
Absorption (Constant Voltage)
Charging with declining current to maximize up to 100% battery capacity.
Analyse
An automatic battery test is conducted immediately after the absorption stage.
The test monitors the voltage for 90 seconds to determine if the charge was
successful.
◆12V charger If the voltage is below 13.2 volts (fail), the charger will initiate the
Recondition stage.
◆12V charger If the voltage is above 13.2 volts (pass), the charger will proceed
to the final stage: Float.
◆24V charger If the voltage is below 26.4 volts (fail), the charger will initiate the
Recondition stage.
Recondition
Choose the Recond program to add the Recond step to the charging process.
During the Recond step voltage increases to create controlled gasing in the
battery. Gasing mixes the battery acid and gives back energy to the battery.
This recondition stage can recover batteries from a deeply discharged state
increasing performance and battery life.
RECOND - This mode is used to recover deep discharged flooded batteries
where you could expect a stratified acid (high acid weight in the bottom, low on
top). Check with battery manufacturer when in doubt.
Use this mode with care, because the high voltage will cause some water loss.
16V/32V is normally no problem for electronics in 12V/24V system. Consult
your supplier when in doubt. Life of light bulbs will be reduced at higher voltage.
Try to disconnect light from the battery during this phase. Maximum effect and
minimum risk for electronics is achieved by charging a disconnected battery.

Float
The Float stage maintains the battery at 100% charge without overcharging or
damaging the battery. This means the charger can be left connected to the battery
indefinitely.
Pulse
Maintaining the battery at 95-100% capacity. The charger monitors the battery
voltage and gives a pulse when necessary to keep the battery fully charged. The
battery charger has an 8-step fully automatic charging cycle. The cycle is repeated
infinitely. If the terminal voltage drops below a lower limit, the charger automatically
goes back to the beginning of the charging curve.
3. SWITCHMODE TECHNOLOGY
Using the latest technology in battery chargers, switch mode chargers convert
110V/220-240V AC power to 12V/24V DC power using electronic components
unlike traditional battery chargers that rely on heavy transformers. This allows
the charger to be light weight and compact without sacrificing on performance.
4. PROTECTIVE FEATURES
POLARITY PROTECTION
Prevents the output leads from sparking due to accidental reverse connection or
short circuit, making the charger safer to use around batteries.
OUTPUT SHORT PROTECTION
Short circuit connection of the clips: Check clips are not touching each other OR
Check the clips are correctly connected to the battery.
NON BATTERY LINK PROTECTION
If battery charger connects with non battery load, it will go into protection state.
DISCONNECT PROTECTION
The charger has entered the energy save mode. This happens if the charger isn't
connected to the battery in 2 minutes.
OVER VOLTAGE PROTECTION
The 12V charger will automatically protection if the voltage is higher than 17.5V.
The 24V charger will automatically protection if the voltage is higher than 35V.
OVER TEMPERATURE PROTECTION
Internal temperature is above 65OC +/-5 OC
COOLING FAN
The charger is fitted with a thermostatically controlled fan to cool onboard
electronics and maintain charging performance. The cooling fan will engage
automatically when there is a high load on the battery or there is sufficient heat build
up.
4

5
5. PRODUCT OVERVIEW
The 8-stage automatic charging consists of the following components:
1.Mode button
2.Stage lamp status display indicates power, charging and fully charged.
3.Power lamp
4.Fault lamp
5.Output voltage meter
6.Battery mode lamp
7.DC leads.
8.Power Cord
9.Thermostatically controlled cooling fan.
10.Ground terminal
11.Mounting flange.
12.Ventilation hole
13.3.5mm mounting hole.
1
2
6
78
9
10
11
13
12
3
4
5

Output Polarity Reverse
Protection
Over Voltage Protection
Disconnect Protection
Is seriously sulphated
Not accept charge
Faulty Battery
Battery Charge Fully
Thermal Protection
Power Off
Power On
1. Desulphation
2. Soft Start
3. Bulk
4. Absorption
6. Recondition
7. Float
Stage
5. Analyse
8. Pulse
Non Battery Link Protection
Output Short Protection
6. CHARGE STATUS INDICATOR
6
The CHARGING and STAGE LAMP will illuminate and flash in various patterns
to indicate the different stages of charging. See below for flash / steady patterns.
Note: SOLID : FLASH EXTINGUISH : :
Power on
lamp
Stage
lamp
Fault
lamp
(Fully Lamp)
(Step 3 Lamp)
(Step 2 Lamp)
(Step 1 Lamp)
LED
display
0.0
- U -
- t -
Battery volt
0.0
Out volt

STAGE LAMP: illuminates and flashes when 8-stage charging process.
STAGE LAMP: illuminates solid when fully charged.
POWER ON LAMP
If the power lamp is lit with a:
1. STEADY LIGHT
The mains cable is connected to the wall socket.
2. FLASHING LIGHT
The charger has entered the energy save mode. This happens if the
charger isn′t connected to the battery in 2 minutes.
FAULT LAMP STEADY LIGHT
If the fault lamp is lit solid , check the following:
Has charging been interrupted in STEP 1, 2 or 3.
Restart the charger by pressing the MODE-button. If charging is still being I
nterrupted, the battery.
STEP 1: ...is seriosly sulphated and may need to be replaced.
STEP 2: ...can not accept charge and may need to be replaced.
STEP 3: ... battery is faulty and may need to be replaced. (Bulk charging
has timed out and stopped after 24 hours.)
FAULT LAMP FLASHING LIGHT
Charger's internal temperature is higher than 65OC +/-5 OC
7

7. SPECIFICATIONS
P/No.
BC8S1205A
BC8S1207A
BC8S1210A
Charger Type
8-Stage automatic
Input Voltage
220-240V～, 50/60Hz
110V～, 60Hz
Input Power
154W
215W
307W
Output Voltage
12V DC
12V DC
12V DC
Output Current
5A
7A
10A
Minimum Start Voltage
2V
2V
2V
Back Drain
4mA
4mA
4mA
Current Fuse Rating
250VAC, T3.15A
250VAC, T3.15A
250VAC, T3.15A
CHARGE CONTROL
Desulphation
Pulse charge up to 11V
Soft Start
Half the rated set current up to 12.5V
5A up to
7A up to
10A up to
Bulk
14.1V (GEL)
14.1V (GEL)
14.1V (GEL)
14.4(AGM)
14.4(AGM)
14.4(AGM)
14.7V(WET)
14.7V(WET)
14.7V(WET)
14.7V(CALCIUM)
14.7V(CALCIUM)
14.7V(CALCIUM)
Absorption
Constant voltage until
Constant voltage until
Constant voltage until
current drops to 0.75A
current drops to 1.05A
current drops to 1.5A
Analyse
Monitors voltage for 90 seconds
Constant current (0.75A)
Constant current (1.05A)
Constant current (1.5A)
for 30 min or 4 hours
for 30 min or 4 hours
for 30 min or 4 hours
Recondition
limited to:
limited to:
limited to:
14.1V (GEL)
14.1V (GEL)
14.1V (GEL)
14.4(AGM)
14.4(AGM)
14.4(AGM)
16V(WET)
16V(WET)
16V(WET)
16V(CALCIUM)
16V(CALCIUM)
16V(CALCIUM)
Float
13.7V also with pulse feature
12.6V- 14.1V,5-2A (GEL)
12.6V- 14.1V,7-2A (GEL)
12.6V- 14.1V,10-2A (GEL)
Pulse
12.6V- 14.4V,5-2A (AGM)
12.6V- 14.4V,7-2A (AGM)
12.6V- 14.4V,10-2A (AGM)
12.6V- 14.7V,5-2A (WET)
12.6V- 14.7V,7-2A (WET)
12.6V- 14.7V,10-2A (WET)
12.6V- 14.7V,5-2A (CALCIUM)
12.6V- 14.7V,7-2A (CALCIUM)
12.6V- 14.7V,10-2A (CALCIUM)
Efficiency
App.85%
Thermal Protect
65 OC +/-5 OC
Cooling Fan
Automatic temperature controlled
Ambient Temperature
-20OC to +50OC , output power is reduced automatically at high temperatures
Over Voltage Protection The 12V charger will automatically protection if the voltage is higher than 17.5V.
BATTERY RANGE
Deep Cycle
20-75Ah
28-105Ah
40-150Ah
Types of Batteries
Most types of lead acid batteries including WET, MF,
Calcium, AGM, and GEL
Dimension (L×W×H)
197x116x62mm
197x116x62mm
197x116x62mm
Weight
1.05Kg
1.05Kg
1.1Kg
Specifications are subjected to change without prior notice.
8

8. SPECIFICATIONS
P/No.
BC8S1212A
BC8S1215A
BC8S1220A
Charger Type
8-Stage automatic
Input Voltage
220-240V～, 50/60Hz
110V～, 60Hz
Input Power
332W
415W
554W
Output Voltage
12V DC
12V DC
12V DC
Output Current
12A
15A
20A
Minimum Start Voltage
2V
2V
2V
Back Drain
4mA
4mA
4mA
Current Fuse Rating
250VAC, T3.15A
250VAC, T3.15A
250VAC, T5A
CHARGE CONTROL
Desulphation
Pulse charge up to 11V
Soft Start
Half the rated set current up to 12.5V
12A up to
15A up to
20A up to
Bulk
14.1V (GEL)
14.1V (GEL)
14.1V (GEL)
14.4(AGM)
14.4(AGM)
14.4(AGM)
14.7V(WET)
14.7V(WET)
14.7V(WET)
14.7V(CALCIUM)
14.7V(CALCIUM)
14.7V(CALCIUM)
Absorption
Constant voltage until
Constant voltage until
Constant voltage until
current drops to 1.8A
current drops to 2.25A
current drops to 3A
Analyse
Monitors voltage for 90 seconds
Constant current (1.8A)
Constant current (2.25A)
Constant current (3A)
Recondition
for 30 min or 4 hours
for 30 min or 4 hours
for 30 min or 4 hours
limited to:
limited to:
limited to:
14.1V (GEL)
14.1V (GEL)
14.1V (GEL)
14.4(AGM)
14.4(AGM)
14.4(AGM)
16V(WET)
16V(WET)
16V(WET)
16V(CALCIUM)
16V(CALCIUM)
16V(CALCIUM)
Float
13.7V also with pulse feature
12.6V- 14.1V,12-2A (GEL)
12.6V- 14.1V,15-2A (GEL)
12.6V- 14.1V,20-2A (GEL)
Pulse
12.6V- 14.4V,12-2A (AGM)
12.6V- 14.4V,15-2A (AGM)
12.6V- 14.4V,20-2A (AGM)
12.6V- 14.7V,12-2A (WET)
12.6V- 14.7V,15-2A (WET)
12.6V- 14.7V,20-2A (WET)
12.6V- 14.7V,12-2A (CALCIUM)
12.6V- 14.7V,15-2A (CALCIUM)
12.6V- 14.7V,20-2A (CALCIUM)
Efficiency
App.85%
Thermal Protect
65 OC +/-5 OC
Cooling Fan
Automatic temperature controlled
Ambient Temperature
-20OC to +50OC , output power is reduced automatically at high temperatures
Over Voltage Protection The 12V charger will automatically protection if the voltage is higher than 17.5V.
BATTERY RANGE
Deep Cycle
48-180Ah
60-225Ah
80-400Ah
Types of Batteries
Most types of lead acid batteries including WET, MF,
Calcium, AGM, and GEL
Dimension (L×W×H)
197x116x62mm
217x116x62mm
217x116x62mm
Weight
1.1Kg
1.28Kg
1.28Kg
Specifications are subjected to change without prior notice.
9

9. SPECIFICATIONS
P/No.
BC8S2405A
BC8S2410A
Charger Type
8-Stage automatic
Input Voltage
220-240V～, 50/60Hz
110V～, 60Hz
Input Power
296W
547W
Output Voltage
24V DC
24V DC
Output Current
5A
10A
Minimum Start Voltage
4V
4V
Back Drain
8mA
8mA
Current Fuse Rating
250VAC, T3.15A
250VAC, T5A
CHARGE CONTROL
Desulphation
Pulse charge up to 22V
Soft Start
Half the rated set current up to 25V
5A up to
10A up to
Bulk
28.2V (GEL)
28.2V (GEL)
28.8(AGM)
28.8(AGM)
29.4V(WET)
29.4V(WET)
29.4V(CALCIUM)
29.4V(CALCIUM)
Absorption
Constant voltage until
Constant voltage until
current drops to 0.75A
current drops to 1.5A
Analyse
Monitors voltage for 90 seconds
Constant current (0.75A) for
Constant current (1.5A) for
Recondition
30 min or 4 hours limited to:
30 min or 4 hours limited to:
28.2V (GEL)
28.2V (GEL)
28.8(AGM)
28.8(AGM)
32V(WET)
32V(WET)
32V(CALCIUM)
32V(CALCIUM)
Float
27.4V also with pulse feature
25.2V- 28.2V,5-2A (GEL)
25.2V- 28.2V,10-2A (GEL)
Pulse
25.2V- 28.8V,5-2A (AGM)
25.2V- 28.8V,10-2A (AGM)
25.2V- 29.4V,5-2A (WET)
25.2V- 29.4V,10-2A (WET)
25.2V- 29.4V,5-2A (CALCIUM)
25.2V- 29.4V,10-2A (CALCIUM)
Efficiency
App.85%
Thermal Protect
65 OC +/-5 OC
Cooling Fan
Automatic temperature controlled
Ambient Temperature
-20OC to +50OC , output power is reduced automatically at high temperatures
Over Voltage Protection
The 24V charger will automatically protection if the voltage is higher than 35V.
BATTERY RANGE
Deep Cycle
20-75Ah
40-150Ah
Types of Batteries
Most types of lead acid batteries including WET, MF, Calcium, AGM, and GEL
Dimension (L×W×H)
197x110x62mm
217x116x62mm
Weight
1.1Kg
1.28Kg
Specifications are subjected to change without prior notice.
10

11
10. CHARGING INSTRUCTIONS
Connection out of vehicle
RED BLACK
FAN
STEP 2B – CONNECTION IN VEHICLE
Determine if the vehicle is Positively (+) or Negatively (-) earthed. Negatively
earthed vehicles have a cable (usually black) from the Negative battery
terminal to the vehicle’s chassis.
STEP 1 – CHECK THE ELECTROLYTE LEVEL
Prior to charging the battery, remove the vent caps and check the electrolyte
level (not required on sealed & maintenance free batteries). The electrolyte
should be 6mm (1/4”) above the battery’s plates. If low, top up with distilled
water to the correct level and refit the vent caps.
STEP 2A – CONNECTION OUT OF THE VEHICLE
Connect the RED lead (battery clip) from the charger to the Positive (+) battery
post.
Connect the BLACK lead (battery clip) from the charger to the Negative (-)
battery post.
1. Settings are made by pressing the MODE-button. After about two seconds the
charger activates the selected program. The selected program will be restarted
next time the charger is connected.
2. To turn off the charger by pressing and holding the MODE-button for 3 seconds.
3. To restart the charger by pressing and holding the MODE-button for 3 seconds.

12
12. Positively earthed
Connect the BLACK lead (battery clip) from the charger to the Negative (-)
battery terminal.
Connect the RED lead (battery clip) from the charger to the vehicle's chassis
away from the fuel line or moving parts.
11. Negatively earthed (most vehicles)
Connect the RED lead (battery clip) from the charger to the Positive (+) battery
terminal.
Connect the BLACK lead (battery clip) from the charger to the vehicle's chassis
away from the fuel line or moving parts.
Connection in vehicle
(negatively earthed)
BLACK
RED
FAN
Connection in vehicle
(positively earthed)
BLACK
RED
FAN

13
13. CHASSIS EARTHING
The chassis earthing lug should be connected to an earting point which will be
depending on where the battery charger is installed. In a vehicle, connect the
chassis ground lug to the chassis of the vehicle. In a boat, connect to the boat's
grounding systems. In a fixed location, connect to earth.
STEP 3 CONNECT TO 110V/220-240V AC MAINS POWER
Connect the battery charger to the 110V/220-240V AC mains powered socket
and turn on the mains power.
STEP 4 CHARGING
During the charge process, the CHARGING and STAGE LAMP will flash various
patterns. This is normal and indicates the various charge stages. Refer to "How
can I know what stage the battery charger is in" in the FAQ section, page 18.
When the STAGE LAMP remains on, this is known as the float stage and the
charger can be left connected to the battery without over charging.
If the POWER ON LAMP is flashing, there is fault; refer to "Fault Codes"
explanation on page 17 of this manual.
STEP 5 DISCONNECTION
Ensure the 110V/220-240V AC mains switch is turned off and the charger is
disconnected from the 110V/220-240V AC mains power.
Battery out of vehicle
Remove the BLACK lead (battery clip) from the battery.
Remove the RED lead (battery clip) from battery.
Battery in vehicle
Remove the chassis connection.
Remove the battery terminal connection.
OUTPUT
12V DC
INPUT
AC
8-STAGE AUTOMATIC CHARGING
P/No.: BC8S1220A
INPUT: 220-240V AC, 50/60Hz, 554W
OUTPUT: 12V DC, 20,000mA
FUSE: T5A, 250V AC
FAN
CHASSIS
GND

14
14. MOUNTING INSTRUCTIONS
8-stage chargers are designed for indoor, out of weather use only. Ensure that
both charger and battery are in a well-ventilated space during charging.
The battery charger end plates include a mounting flange for easy mounting.
If permanently fixed the charger should be mounted to a suitable horizontal or
vertical panel, with at least 10cm clearance from the end plates to provide
adequate ventilation for the cooling fan.
3.5mm
mounting hole

15
15. PERMANENT WIRING TO BATTERY
It is possible to hard wire the DC charging leads to the battery for permanent
installations.
You will need 2 x ring terminals, an inline fuse holder and a fuse with a rating
equal to or more than twice of the chargers output. (See below)
4A = 8 Amp fuse 5A = 10 Amp fuse 7A = 15 Amp fuse 10A = 20 Amp fuse
12A = 25 Amp fuse 15A = 30 Amp fuse 20A = 40 Amp fuse
Connection:
1. Cut off the supplied battery clips; ensure you leave sufficient cable to reach
the battery terminals. (DO NOT extend the battery charger DC cables, as the
added voltage drop will cause incorrect charging).
2. Fit a ring terminal to the BLACK Negative (-) wire.
3. Connect the inline fuse to the RED Positive (+) wire.
4. Connect a ring terminal to the other end of the inline fuse.
5. Connect the RED lead (with inline fuse and ring terminal) to the Positive (+)
battery post.
6. Connect the BLACK lead (with ring terminal) to the Negative (-) battery post.
7. Fit the correctly rated fuse.
If the charger is used in a Permanent / Hard Wired application and the vehicle
will not be used for some time, it is best to leave the charger connected to
mains power (turned 'On') so that it can maintain the battery fully charged.
Ensure any modification to the 110V/220-240V AC mains lead is carried out by
a qualified person and that connection to supply mains is in accordance with
National wiring rules.
Inline fuse
RED BLACK
Ring terminal
FAN

16. ADJUSTABLE CHARGE RATES: 12 VOLT BATTERY
CHARGE RATE
BATTERY SIZE (12V)
Battery size (Ah)
Charger time (hours)
5Amp
20-75
4-15
7Amp
28-105
4-15
10Amp
40-150
4-15
12Amp
48-180
4-15
15Amp
60-225
4-15
20Amp
80-400
4-15
17. ADJUSTABLE CHARGE RATES: 24 VOLT BATTERY
CHARGE RATE
BATTERY SIZE (24V)
Battery size (Ah)
Charger time (hours)
5Amp
20-75
4-15
10Amp
40-150
4-15
16

There are error codes that may be displayed. These will be displayed in the
following way:
17
Error Code
Fault
lamp
Cause Remedy
Polarity Reverse
/ Output Short
Short circuit or
reverse
connection of the
clips
Check clips are not
touching each other
OR Check the clips are
correctly connected to
the battery.
Non Battery
Link Non battery link
Please choose the
right battery type for
connection.
Over Voltage
The 12V battery
voltage is above
17.5V.
The 24V battery
voltage is above
35V.
Over
Temperature
Internal
temperature
is above
O O
65 C +/-5 C
Turn off charger and
allow to cool.
Faulty
Battery
Bulk charging
has timed out
and stopped after
24 hours.
Battery is faulty and
may need to be
replaced.
Disconnect the
charger and check
the battery voltage.
This charger is
suitable for 12V or
24V Batteries only.
18. FAULT CODES
Power on
lamp
Stage
lamp
(Step 3
lamp)

Desulphation Soft Start Bulk Absorption Recondition Float
1 2 3 4 5 6 7
18
Step
Finish
Analyse Pulse
8
FREQUENTLY ASKED QUESTIONS
Q. How do I know if the battery is charged?
A. The charger's FULLY STAGE LAMP will illuminate (solid). Alternatively use a
Battery. Hydrometer A reading of 1.250 or more in each cell indicates a fully
charged battery.
Q. I have connected the charger properly but the 'STAGE LAMP'
does not come on?
A. In some cases batteries can be flattened to the point where they have very little
or no voltage. This can occur if a small amount of power is used for a long time, for
example a map reading light is left on for a week or more. 8-Stage chargers are
designed to charge from as little as 12V charger 2.0 Volts and 24V charger 4.0 Volts
If the voltage is lower than 2.0 Volts and 4.0 Volts use a pair of booster cables to
connect between two batteries to provide more than 2.0 Volts and 4.0 Volts to the
battery being charged. The charger can then start to charge the battery and the
booster cables can be removed.
Q. Can I use the charger as a power supply?
A. 8-Stage chargers are designed to only supply power to the battery clips when
they are connected correctly to a battery. This is to prevent sparks during
connection to the battery or if connected incorrectly by mistake. This safety feature
prevents the charger from being used as a 'Power Supply'. No Voltage will be
present at the clips until connected to the battery.
Q. How can I know what stage the battery charger is in?
A. Below are the conditions that are displayed by the LAMP for each of the charge
stages.

CAUTION
ALWAYS PLACE THE BATTERY CHARGER IN AN
ENVIRONMENT WHICH IS:
A. WELL VENTILATED.
B. NOT EXPOSED TO DIRECT SUNLIGHT OR HEAT
SOURCE.
C. OUT OF REACH FROM CHILDREN.
D. AWAY FROM WATER / MOISTURE, OIL OR GREASE.
E. AWAY FROM ANY FLAMMABLE SUBSTANCE.
F. SECURE NO RISK OF FALLING.
SAFETY
◆The charger is designed for charging 12V/24V lead-acid batteries. Do not use
the charger for any other purpose.
◆Check the charger cables prior to use. Ensure that no cracks have occurred
in the cables or in the bend protection. A charger with damaged cables must not
be used. A damage cable must be replaced by a professional representative.
◆Never charge a damaged battery.
◆Never charge a frozen battery.
◆Never place the charger on top of the battery when charging.
◆Always provide for proper ventilation during charging.
◆Avoid covering the charger.
◆A battery being charged could emit explosive gasses. Prevent sparks close
to the battery. When batteries are reaching the end of their lifecycle internal
sparks may occur.
◆All batteries fail sooner or later. A battery that fails during charging is normally
taken care of by the charger's advanced control, but some rare errors in the
battery could still exist. Don't leave any battery during charging unattended for
a longer period of time.
◆Ensure that the cabling does not jam or comes into contact with hot surfaces
or sharp edges.
◆Battery acid is corrosive. Rinse immediately with water if acid comes into
contact with skin or eyes, seek immediate medical advice.
◆Batteries consume water during use and charging. For batteries where water
can be added, the water level should be checked regularly. If the water level is
low add distilled water.
◆This appliance is not designed for use by young children or people who
cannot read or understand the manual unless they are under the supervision of
a responsible person to ensure that they can use the battery charger safely.
Store and use the battery charger out of the reach of children, and ensure that
children cannot play with the charger.
◆Connection to the mains supply must be in accordance with the national
regulations for electrical installations.