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48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer
48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer 48V Lead Acid Battery Balancer
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48V Lead Acid Battery Balancer


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$100.00
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This product has a minimum quantity of 5

This 48V Lead Acid Battery Balancer is design for balance the batteries voltage difference in the battery bank to keep the battery in a health condition and finally achieve a long-term service life of the battery

Model: HWB4820 Lead Acid Battery Balancer

Shell material: aviation aluminum profiles

Size: 124*68*34mm / 4.88* 2.67* 1.33 in (including mounting holes)

Weight: 280g / 0.61 lb

Wire length: 350mm / 13.8 in

Support Battery type: Lead acid battery

The Main Function

1. Balance the charge, so that when the battery bank is charged, all battery voltages is the same, to avoid laggard battery over-voltage and water loss.

2. Discharge equalization, so that when the battery discharge, all battery voltage is the same, to avoid lagging battery voltage vulcanization.

3. Thermal runaway warning when the thermal runaway occurs, indicating that water should be filled.

Other Functions:

1. Old Batteries and new batteries can be mixed and no need to replace the whole batteries group.

2. Battery Capacity Expansion

3. Obtain 12V voltage directly from the 48V battery Bank (24V, 36V, etc. can be obtained as well, must in the discharge state).

4. Charge the 48V lead acid Battery Bank directly with a 12V, 24V, 36V, 48V charger. (need to modify the charging port wiring)

5. Battery activation: The battery will not be used for a long time and will cause severe vulcanization and other problems. The equalizer can activate the battery by the pulse.

48V 20A balanced charge and discharge test summary (regular use):

1. The balancing charge ensures that the original unbalanced battery voltage is consistent, avoiding further damage due to overcharge, water loss, and heat generation.

2. The Equilibrium discharge ensures that the original unbalanced battery voltage is consistent, avoiding further damages such as Vulcanization and reverse polarity that caused by over-discharge

Although the battery bank is a strictly matched configuration, differences still exist. The balance makes all the battery work under normal conditions, the unbalanced battery bank capacity becomes the sum of all batteries, the unbalanced battery service life will be the same as the single battery.

Product Features:

1.Backward Compatible: that means,48V can compatible with 36V and 24V. Connect the wire in steps from 48V,36V,24V,12V to 0V, then the device start self-checks. The indicator light flashes in seconds, flash times same as the unit quantity

2.Multiple Protection: over-voltage, over-current, over-temperature, Undervoltage, overtime and other abnormal state detection and protection, to ensure product safety.

3.Professional aluminum profile shell: special aluminum profile shell, surface oxidation process to enhance the product appearance, and also enhanced the protection and dissipation

Indicator Instruction

1. Two Stage of Equalizer‘s Starting Detection.

Stage 1, Battery Unit Quantity Detection, the indicator light flashes every two seconds, the number of flashes is the same as the number of batteries.

Stage 2, The indicator light on 5S, equalizer mode self-test.

2. Standby Status: indicator light stop 4S, flash 1S

3. Working status: light is always on,

4. The definition of the equalizer working status:

1. The car driving status and the battery voltage difference reaches 200mV, start equilibrium

2. Normal type, anyone battery voltage reaches and exceeds 13.6V, start equilibrium, All battery voltage drops to 13.4V, stop the balance

3. Anti-bubbling status, dedicated charging terminal access to the qualified charger, start balance.

4. Anti-bubbling status also supports normal charging start mode.

5. Anti-bubbling type only for the 48V (4 battery bank), when the batteries are less than 4, then it will not support the anti-charging access starting, turn into the normal status.

Main functions and Technical Parameters:

1. Balance battery: Balance Current 20A

2. Temperature Protection: 70 C

3. Over-current protection:12A

4. Over-voltage protection, any battery voltage exceeds 15.8V

5. Under voltage protection, all battery voltage is lower than 9V

6. Thermal Runaway Protection

Note: The protection here generally means stop the equalizer. When the equalizer became to protection status, the indicator will flash once every second for a total of 10 times, exiting the protection state, then turn Into the normal status. However, when the thermal runaway is detected, it must wait for all battery voltages to fall below 13.4V, then stop the seconds flash, and exit thermal runaway protection.

48v Battery Equalizer Installation Instruction

Before the installation, makes sure the equalizer has a short-circuiting protection (as shown in the above pictures). wires can be wrapped with an electrically insulating tape or wrapped with transparent plastic to prevent inadvertent contact between two wires, and avoid the fuse blowout when the cable is connected.

The figure above shows the style when the equalizer is connected. beware that the wiring must start from the yellow line (48V end) and the black line should be connected at the very last. When removing the equalizer, first remove the black line.

in the box:

1. 48V Lead acid battery balancer

2. user manual

  • Technical
    Battery nominal voltage12V
    Optimizing current20A
    Dimensions124*68*34mm / 4.88* 2.67* 1.33 in (including mounting holes)
    ProtectionOver-voltage protection, any battery voltage exceeds 15.8V, Under voltage protection, all battery voltage is lower than 9V, Thermal Runaway Protection

Battery Balancer Installation Instruction

Before the installation, makes sure the equalizer has a short-circuiting protection (as shown in the above pictures). wires can be wrapped with an electrically insulating tape or wrapped with transparent plastic to prevent inadvertent contact between two wires, and avoid the fuse blowout when the cable is connected. 

The figure above shows the style when the equalizer is connected. beware that the wiring must start from the yellow line (48V end) and the black line should be connected at the very last. When removing the equalizer, first remove the black line.

1. Pay attention to the connection order of the wires. You must connect the black wire last and disconnect the black wire first. Otherwise, the number of batteries may not recognize correctly.

2. The wire cannot wrongly connect or reverse connect, otherwise, damage may occur. normally, the fuse will blowout to protect

3. Wires and batteries must be connected tightly, otherwise the balance current will drop.

4. When extending the wire, under 40cm, use 16AWG wire. under 60cm, use 14AWG wire. under 100cm, use 12AWG wire. only use high-quality wire, otherwise, the working current will drop.

5. when replacing the fuse, Please use 20A fuse


Product installation warning

Please read the contents carefully before installing the product to prevent the product from damaged during installation.

1. DO NOT connect the wire terminal and balancer before installation.

2. First, connect the wires to the battery pack tightly, no loose.

3. After the wire is connected, confirm that the voltage between every two wires is: 12V (between black and white lines).

4. After confirming the voltage is correct, plug in the balancer.

5. If possible, put a low-capacity battery in the middle of two high-capacity batteries.


Instation steps:

1. Make sure that the wire terminal is not plugged into the balancer and the wiring is correct before installation.

2. Check whether each wire is consistent with the connection of Figure 1. After it is consistent, it can be connected to the balancer. Otherwise, the device may damage by the wrong connection. normally, the fuse will blowout to protect the device.

3. Plug the wire terminal to the balancer, as shown in Figure 2.

4. When removing the balancer, pull off the wire terminal, no need disconnecting the wire.

5. When extending the wire, under 60cm, use 14AWG wire, under 100cm use 12AWG wire. An unqualified wire will affect the working current and the equalization effect.


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