Intelligent Repairing Electric Bicycle 48V2A High Quality Lithium Battery Charger

Brand Name:DONHN
Use:For 48V2A lithium battery
size:15*6.7*4 mm

Product Details



Brand Name: DONHN

Item Name :Dongsheng Intelligent repairing electric bicycle 48V2A high quality lithium battery charger

Place of Origin :Anhui, China (Mainland)

Use:  For 48V2A  lithium battery


size:   15*6.7*4 mm(To prevail in kind)

Output Voltage:54.6±0.4V

Trickle current:0.35-0.45A

Output maximum Current: 1.96-2.04A

Conversion current :0.35-0.45A

Input Voltage:220V~50HZ

Certificate:CE, CCC and CAS certification

Operating Temperature:-20~40℃

Storage Temperature:20~85℃

Implementation of standard: T/TCDZ0001-2016

suit for: lithium battery


Packaging & Delivery

Packaging Details: 30、40、50 pcs/ctn(Depend on the customer's request)

Carton size:  60.5*43.5*33mm  67.5*46*33.5mm   72.5*46.5*37.5mm  76.5*47.5*38mm

Delivery Detail: Depend on the customer's request

Item name

Dongsheng Intelligent repairing electric bicycle 48V2A high quality    lithium battery charger











15*6.7*4 mm(To prevail in kind)

Connector dimension

Optional output connector: 3-port Inline,    3-pin XLR, Alligator clip, 3-port House, Coaxial etc

Special plug:  4-pin XLR, 2-port Inline,    3-pin House,Polarized, 3-port House for Panterra and Grio, Polarized C7 etc.


Intelligent timing protection , Automatic temperature    compensation,
 Short circuit    protection, over current protection, over voltage protection

Suit for

lithium battery

This product is a lithium battery smart charger, using switching power supply and microcontroller control has the following features:

1. Voltage input range: 180-240vac

2. Input and output overvoltage protection

3. With anti-flooding function

4. Small Output ripple

5. Internal temperature protection

6. Timing protection: the charger starts charging, to the end of the maximum charge time of 14 ± 0.5 hours, beyond this time, the charger off the output.

7.The shell all use flame-retardant ABS material, the use of more secure.

Dongsheng Intelligent repairing electric bicycle 48V2A high quality lithium battery charger has designed highly reliable and meet international safety and electromagnetic compatibility requirements.

A:Input Characteristics:

Input Voltage:    220 V

Input Frequency: 50/60Hz

B:Output Characteristics:

Output Current:  2.0A±0.2A    

Output Voltage (CV mode ):  220 V

Rated Voltage: The electric bicycle Intelligent Lithium 48V2A battery charger rated output voltage is specified at 48V

Voltage Range: The electric bicycle battery 48V2A charger output voltage will be performed  0 V when the load is 0A

C:Use status indication:


LED Indication


Red light

After charger

No    light

D:Test  for The electric bicycle  Lithium battery 48V2A charger

1.Material pre - storage inspection: Anti-flame retardant test, Anti-weight test,Each device test etc.

2.Full load aging test:  semi-finished product and finished products must be aging test.

3.Debug parameter test.

4.Drop Height test: 760mm Three*faces (once on each plane)

5.Packaging test : Check whether the package is intact and Anti-weight test.

E:Protection for The electric bicycle battery 48V2A charger

Over Voltage Protection: The power supply will be auto recovered when faults remove

Over Current Protection:When the current exceeds the maximum value, the protective device to protect the operation of a way. When the current flowing through the protected original exceeds a preset value, the protection device is activated and the time limit is used to ensure the selectivity of the action, causing the circuit breaker to trip or give an alarm signal.

Short Circuit Protection:The electric bicycle battery 48V2A charger Output can be shorted without damage No odor, smoke, fire, plastic deformation, and excessive heal happen. The power shall be auto-recovery. (It will enter into normal condition when then the fault condition is removed)

Optional batter charger output plug (customizable)

1. 2-port inline

2. 3-port inline

3. 4-port inline

4. 3-pin XLR

5. 4-pinXLR

6. Alligator clip

7. 3-port house

8. 3-port house for panterra and gio

9. 3-pin house

10. Andera on 30A

11. Amders on 50A

12. Coaxial

13. RCA

14. Polarized

15. Polarized c7

Optional battery charger input plug (customizable)






6.United kingdom

7.South africa





1. This product is for indoor use only

2.Do not charge the nonchargeable battery.

3.It is used indoor to prevent from the rain. During the charging, the charger is forbidden to cover and it must with good ventilation environment. It is forbidden to use charger in electric vehicle to prevent from fire disaster made by fire, sparks and explosive gas.

4.The wire must be changed by manufacture or the staff of maintenance to get rid of danger.

5.The power supply should be cut off before the connecting or disconnecting of the charger and battery.

6.Do not disassemble or replace the internal parts of the charger.

7.Do not charge in a sealed space or high temperature environment, the charger should not be placed in the saddle or trunk.

8.When the green light should be cut off the power in time , prohibit the case of no charge, a long time the charger no load on the AC power supply.

9.In the charging process, if the indicator light is abnormal, there is odor or charger shell overheating, should immediately stop charging, then the charger for repair or replacement.


1. Charger indicator (green) light, no output

A. Check if there is an AC input

B. Check if the input cable interface is defective

One may be excluded, please send factory maintenance, do not self-maintenance.

2. The indicator (red) does not light when charging

A. Is the charging power port connected?

B. Battery is not applicable for long periods of time, excessive discharge or damage

C. Re-plug the AC and battery box plug, the interval is greater than 10 seconds to determine whether the charger is in the state of protection.

One may be excluded, please send factory maintenance, do not self-maintenance.

As one of the leading electric bicycle charger manufacturers and suppliers in China, we pay great attention to quality and performance. If the intelligent repairing electric bicycle 48v2a high quality lithium battery charger caters to your requirement, welcome to wholesale the quality charger made in China from us. For more info, welcome to contact our factory.


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