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Care 

Sometimes the battery may appear flat, but this could simply be dirty or loose connections on

your battery terminals. It is important to maintain the leads on a regular basis. Do this by 

removing the leads from the battery, clean the inside of each connector and terminal posts on

the battery, smear the terminal posts and connectors with Vaseline, refit in their correct 

positions and tighten firmly. 

It is essential to keep the electrolyte level above the plates. 

Note, however, that you should not overfill it, as the electrolyte is strongly acidic. When

topping up do not use tap water. Always use distilled or de-ionized water. It is important to

keep the acid level up. If necessary, have it checked by a battery specialist. 

Checking the condition of your battery

Using a hydrometer, which can be purchased, from most motor accessory stores, you can 

check the specific gravity of the electrolyte in each cell. The hydrometer is use to suck up a 

quantity of fluid from the cell. The weighted float inside the hydrometer will register the 

condition of that cell. Put the fluid back into the cell after testing, taking care not to splash the

fluid about. 

Trouble often can be corrected by the user. Please read this chart for possible solutions to

common problems. 

PROBLEM 

POSSIBLE CAUSE 

SOLUTION 

The battery is 

connected and the 

charger is on, but it

isn't charging. 

The charger is not in 

charging mode. 

Press Mode Display button until 

Battery % or Voltage reading comes

on. 

Indicator lights are lit

in an erratic manner 

not explained in the 

manual. 

A button may have

been pressed when

the charger was 

plugged in. 

The charger may be

defective. 

Make sure nothing is touching the 

control panel, then unplug the unit 

and plug it in again. Consult place of

purchase in this case for assistance. 

The green “FULL” LED

turns on a few 

minutes after 

connecting to the

battery. 

The battery may be

fully charged or 

recently charged, 

leaving the battery 

voltage high enough

to appear to be fully

charged. 

If the battery is in a vehicle, turn the

headlights on for a few minutes to 

reduce the battery voltage and try 

charging again. Also try a lower 

Charge Rate selection. 

The charger was 

unplugged from the 

wall but the display is

still on. 

The battery is 

supplying the power 

to the display. 

Disconnect the battery. 

TROUBLE SHOOTING

Summary of Contents for MB3623

Page 1: ...DIGITAL SMART 6 12 24V 15A DC AUTO DETECTION BATTERY CHARGER Suitable for Regular Wet Flooded Sealed Maintenance Free Lead Acid Gel SLA and Deep Cycle Batteries between 20 200Ah...

Page 2: ...es This appliance is not intended for use by persons including children with reduced physical sensory or mental capabilities or lack of experience and knowledge unless they have been given supervision...

Page 3: ...Battery 14 2V 12V Battery 28 4V 24V Battery for Wet Flooded Lead Acid MF battery selection 7V 6V Battery 14 0V 12V Battery 28V 24V Battery for Gel SLA battery selection 7 2V 6V Battery 14 4V 12V Batte...

Page 4: ...V 2A 2A 2 7A 2 7A 0 5 1A 10 Minute max 9 Hour max 36 Hour max 24V Battery Voltage 10 14 4V Gel Cell SLA 14 0V Regular 14 2V Deep Cycle 14 4V 13 61V at 25 Auto 8 10V Detect 2 7 15A Current Amperes 2 7...

Page 5: ...reset the memory function NOTE The memory function consumes power from battery and may run it flat Temperature Compensation A sensor will automatically adjust the charging voltage if the temperature d...

Page 6: ...AD CAREFULLY BEFORE USING Suitable for 6 12 24V Wet Flooded Lead Acid Maintenance Free MF Gel SLA and Deep cycle Batteries between 20 200Ah 1 Charging your battery It is essential to disconnect the ba...

Page 7: ...one of the following Gel Cell SLA Select for charging all type of Gel Cell SLA batteries Regular Select for charging all types of lead acid batteries SEALED MF or WET FLOODED TYPE Deep Select for cha...

Page 8: ...ard settings at Charging Rate 2Amp DC Battery Type Gel Cell SLA 2 Auto Detection function is for detecting the type voltage of battery 3 During auto detection process around 10minutes unit does not re...

Page 9: ...charging voltage you want Remark For 6V Battery only 2A shows up on LED main display and this indicates only 2Amp is available For 12V Battery 2A 7A 15A illuminates in each press and this indicates 2A...

Page 10: ...warning buzzer will sound and 28 illuminates on LED main display When this occurs please disconnect from AC power mains and battery Don t try to recharge that battery f Detection Failure If type volt...

Page 11: ...hat cell Put the fluid back into the cell after testing taking care not to splash the fluid about Trouble often can be corrected by the user Please read this chart for possible solutions to common pro...

Page 12: ...DC for 6 12 24V battery 7A DC for 12 24V battery 15A DC for 12V battery Waste electrical products should not be disposed of with household waste Please recycle where facilities exist Check with your...

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