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48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V
48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V

48v 4a lifepo4 battery charger Used for 20a lithium battery charging 240W Output 58.4V

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Product Description :

48v 4a lifepo4 battery charger Used for 48v 20a lithium battery charging 240W high power charger Output 58.4V 4A

Use:

This type charger is used for 48V 10Ah, 48v 15ah, 48v 20ah, 48v 30ah LiFePO4 battery charging.

 48V 4A 00

 

Feature:
1. CE & ROHS Certified, Safety and High Quality.
2. Full automatic transition of CC, CU and Float/cut-off.
3. Precise limit of voltage & current, guarantee fully charged and avoid over charge.
4. Portections: over current, over voltage, short circuit and reverse polarity.
5. High Efficiency: 95%-98%, PFE: 0.96, eco-friendly.
6. Two LED indicators, Aluminium, elegant and reliable.

24F7A0524F7A06

SPECIFICATIONS –ANN4804 CHARGER 

 

                                    Totally Automatic Switch-Mode Battery Chargers

 

                                       "Suitable for 3.2V Cel 16S LiFePo4 Batteries"

Summary:      58.4V, 4A Constant Current

 

-   Automatic Cut-off and then true Float. Can be left connected indefinitely without harming the battery.

     - Input Universal (90VAC~264VAC) - Suitable everywhere in the world.

-    Many advance features described in this spec.

     - Very small size and very lightweight

 

1.  Switch-Mode Technology:

 ANN's Battery Charger transforms the input into charger output using high Most of the battery chargers use linear technology, which convert the 115 VAC or 230VAC to 58.4 VDC at 60 Hz. This requires a large transformer, which has the disadvantage of lower efficiency resulting in higher heat generation, larger size and weight.

 

ANN's Battery Charger transforms the 90VAC~264VAC into 58.4 VDC at 100,000 Hz (1667 times faster than conventional charger) which requires a much smaller transformer and this results in a unit of smaller size, low weight and improved efficiency.

 

The ANN4804 uses sophisticated electronic circuitry with microchips. All present day computers use switch-mode technology.

 

2.  International Safety Approvals & Listing:

 CE

 

3.  Input Requirements:

 a)Universal 100~240VAC (Range 90VAC~264VAC). No switch to change AC voltage.

 b)47 - 63 Hz

Input AC tolerance +/- 20%. This means  ANN4804 will operate satisfactorily in areas where the input voltage is low.

This charger is also suitable for every part of the world. where the AC is 100VAC (Japan), 115VAC (USA), 230VAC (Europe) or 240VAC (UK).

 

4.  Output:

 4 Amps Constant Current @ 58.4Volts DC

a) Line Regulation @ Full Load 2%

b) Load Regulation 3%

c)Ripple Voltage: Very low

The peak-to-peak ripple voltage into a resistive load is less than 200mV for the output voltage above 58.4VDC.


5.   Charging Cycle:

 If the LED1 is ON ( Red ), it shows that input power is ON.

The charging curve is attached. The explanation of the charging cycle is as following.

 

Stages

Condition

Mode

Current

Voltage

LED Indication

Stage 1

Constant Current mode

CC mode

4A

to 58.4V

Red

Stage 2

Constant Voltage mode

CV mode

Reduces from 0.5A

Holds at 58.4V

Red

          

      * CC mode = Constant current charge

      * CV mode = Constant voltage charge

      *** See Stage 2 description below

 

Stage 1: Constant Current Mode (CC):

The charger changes to constant current 4A. When the battery voltage reaches up to 58.4V, the charging stage changes from CC (Constant Current) to CV (Constant Voltage) mode.

 

Stage 2: Constant Voltage Mode (CV):

      In this stage the voltage of each cell in the battery is equalized. The charger holds the battery at 58.4V and the current slowly reduces.


6.  Two colors in one LED:

LED2 shows the charging status. The LED ON shows presence of input power. The bicolour LED shows Red when charging and changes to Greenwhen the battery is fully charged.

 

7.  Reliability:

a)Mean Time between failures (MTBF):

30,000 power-on-hours (POH) or greater. This translates into 10 years of everyday operation of  8 hours.

Use: Standard Battery
Package: Yes
Battery Number: 1
Type: Electric
Intelligent Charge: Yes
Model Number: 48V 4A
Display screen: No
Brand Name: ANNBATTERY
Quick charge: Yes
Input: 110 / 220V AC
Output: 58.4V 4A
Weight: 1Kg
Size: 170*90*50mm
Certification: CE, RoHS
Use: 48V LiFePO4 battery charging


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