PowerTech MB3908 Instruction Manual Download Page 13

10

MEMORY FUNCTION / RESET:

SWITCHING BETWEEN MODES:

After connection to mains, the charger automatically returns to the last 
charge mode used. If the charger stays on “STANDBY” press the mode key.

NOTE: 

Long press 3sec. the MODE selection button at no battery connected 

status. The device switches between charging modes in the following order: 
Standby

   

  

MODE 6 

SMPS 13.6V

 

   

  

then repeats the cycle.

Press the MODE selection button the appropriate number of times.  
The device switches between charging modes in the following order for  
12V battery: 

Standby

   

  

MODE 2  

   

  

MODE 2 & 3  

 

and 

    

  

then 

repeats the cycle. 

The device switches between charging modes in the following order for 24V 
battery:

Standby

   

  

MODE 1  

   

  

MODE 1 & 3  

 and 

   

>

   

then 

repeats the cycle.

  

 

Long press 3 sec. the MODE selection button the appropriate number of 
times. The device switches between charging modes in the following order:

Standby

   

  

MODE 4  

ADV. AGM 12V

    

  

MODE 9  

LITHIUM 12.8V

   

  

MODE 7  

RECOVER 12V

   

  

then repeats the cycle.

NOTE: 

• 

MODE 9 

LITHIUM 12.8V

: If voltage of the battery is out of 11.6-13.8V, 

Mode 9 is not available, will go to MODE 7  

RECOVER 12V 

directly.

• 

MODE 7 

RECOVER 12V

: Repair & Recover and charging the deeply 

discharged or sulfated (desulfation) 12V batteries.

• 

If you press the selector button, charging mode automatically switches 
over to the next mode and begins operation in that mode.

Summary of Contents for MB3908

Page 1: ...Instruction Manual 10 Step Bluetooth Intelligent Lead Acid and Lithium Battery Charger MB3908...

Page 2: ......

Page 3: ...ion 9 Disconnecting 9 Select Charging Mode 9 Memory Function Reset 10 Switching Between Modes 10 Automatic Detection of Battery 11 Recover 12V Mode 12 12V Automotive Lead acid Battery Mode 12 24V Truc...

Page 4: ...of 10 80 Ah You can also used it to regenerate completely discharged batteries The battery charger has protective circuits to prevent sparking and overheating Any incorrect or improper use leads to lo...

Page 5: ...Power Supply 13 6V 5 0A 9 Mode 7 LITHIUM 12 8V 12 8V 4 cells LiFePO4 5 0A A Charging battery level 1 bar 20 2 bars 40 3 bars 60 4 bars 80 5 bars 90 Stops flashing fully charged B VOLT The current volt...

Page 6: ...MPS Charging current 7 5 A 10 3 75 A 10 5 0 A 10 Battery type 12V lead acid battery 18Ah 240Ah 24V lead acid battery 10 Ah 120Ah Lithium 12 8V 4 cells LiFePO4 with a capacity of 10 80Ah Housing protec...

Page 7: ...ect the positive clamp to the positive terminal of the battery then connect the other clamp to the vehicle chassis at a point away from the battery and the fuel line After this is done you can connect...

Page 8: ...Oxyhydrogen gas is an explosive mixture of gaseous hydrogen and oxygen The result is the so called oxyhydrogen reaction upon contact with open fire flames embers or sparks Carry out the charging or di...

Page 9: ...turer s parts with the battery charger Do not allow any objects to cover the battery charger Otherwise the device could be damaged Protect the electrical contacts of the battery against short circuiti...

Page 10: ...ase charging strategy as follows Step 1 Check Checks the battery voltage to make sure battery connections are good and the battery is in a stable condition before beginning the charge process Step 2 R...

Page 11: ...tage falls below 12 8V 12V and 25 6V 24V the charger will start the Maintenance cycle until voltage reaches 13 6V 12V and 27 2V 24V and then discontinues the charge cycle The cycle between Trickle and...

Page 12: ...peratures In comparison with conventional battery charging stations this appliance has a special function for reusing an empty battery or rechargeable battery You can recharge an empty battery recharg...

Page 13: ...then repeats the cycle The device switches between charging modes in the following order for 24V battery Standby MODE 1 MODE 1 3 and then repeats the cycle Long press 3 sec the MODE selection button t...

Page 14: ...capacity has been reached the charging current is reduced This ensures a gentle and best possible charging up to the battery s maximum capacity 12 V Battery If the battery voltage is between 2 0 and...

Page 15: ...and will stop flashing The device now switches automatically into maintenance charging mode The battery voltage has not risen to 12V after 3 hours The error message appears and flashing on the display...

Page 16: ...fully charged the battery icon should be full and will stop flashing The device now switches automatically into maintenance charging mode Long press 3sec the MODE selection button if the measured vol...

Page 17: ...sh at with a current of 7 5A If the process runs without any problems the LCD display will show the battery charging bars will start flashing until the battery is charged When the battery is fully cha...

Page 18: ...ose 6V Mode Motorcycle or Car Mode 9 You may also choose Cold mode for cold environment or Recover mode for depleted battery 10 You may opt to input ON OFF command to stop charging or to proceed with...

Page 19: ...16 MOBILE APPLICATION USER INTERFACE...

Page 20: ...17 MOBILE APPLICATION USER INTERFACE...

Page 21: ...rk Danger of electrocution Never immerse the charger in water as entering water can damage the charger When necessary clean charger with a soft dry lint free cloth Only when heavily soiled use a damp...

Page 22: ...19...

Page 23: ...20...

Page 24: ...Made in China...

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