Description

The NEEY Active Balancer 3S 2A is an inductive battery balancing device designed for compatible three-series rechargeable battery packs. It uses active energy transfer technology to help manage voltage differences between adjacent battery cells. With a specified peak balancing current of 2A, this model provides a balancing solution for compatible lithium battery applications.

This product is sold under the SUPERWAY brand and carries the original NEEY product branding. It is designed for battery systems where maintaining voltage consistency between individual cells is an important consideration. Its compact design and inductive balancing method make it suitable for compatible 3S battery assemblies.

Active Inductive Battery Balancing Technology

Battery packs consist of individual rechargeable cells connected in series to achieve the required voltage. During charging and discharging, voltage differences can develop between cells because of variations in cell characteristics, internal resistance and operating conditions.

The NEEY Active Balancer uses inductive energy transfer technology to help manage these differences. It transfers energy between neighbouring cells through a matrix transformer-based balancing arrangement.

Unlike passive balancing systems that dissipate excess energy as heat, this active balancing method transfers energy between cells. This helps manage voltage differences without relying solely on energy dissipation.

The balancing process is designed to support better voltage consistency between compatible battery cells.

3S Battery Configuration

The NEEY 3S 2A Active Balancer is designed for a 3S battery configuration. The term 3S refers to three individual battery cells connected in series.

Selecting the correct series configuration is important when choosing a battery balancing device. The number of cells in the battery pack must match the supported configuration of the balancer.

This model is intended for compatible three-series battery packs. Before installation, users should verify the battery chemistry, individual cell voltage, total pack voltage and wiring arrangement.

2A Peak Balancing Current

One of the main specifications of this model is its peak balancing current of 2A. Balancing current refers to the current involved in transferring energy between battery cells.

The device uses inductive energy transfer to move energy between neighbouring cells when the voltage difference reaches the required operating condition.

The balancing current varies according to the voltage difference between adjacent cells. The specified peak current of 2A is not necessarily maintained continuously throughout the balancing process.

This balancing method helps manage differences between compatible battery cells and supports more consistent battery pack operation.

Compatible Battery Chemistry

The NEEY DG-3S 2A model is specified for compatible NCM lithium-ion and LiFePO4 battery applications.

NCM lithium-ion batteries and lithium iron phosphate batteries have different voltage characteristics. Therefore, selecting a balancer that supports the intended battery chemistry is essential.

The specified cell voltage range is 3.0V to 4.2V. Users should verify the battery chemistry and voltage requirements before connecting the device.

No External Power Supply Required

An important feature of the NEEY 3S 2A inductive balancer is that it does not require a separate external power supply for its balancing operation.

The device operates using energy from the connected battery pack. This allows it to perform its intended balancing function without an additional external power module.

Its low standby current specification is 10µA, helping keep its standby power consumption low.

Importance of Battery Cell Balancing

Battery cell balancing plays an important role in maintaining voltage consistency in rechargeable battery packs. Individual cells may develop different voltage levels during regular charging and discharging cycles.

When cell voltages become different, certain cells may reach their charging or discharging limits earlier than others. This can affect the overall operation of the battery pack.

An active balancer helps manage these differences by transferring energy between adjacent cells. The balancing process supports more consistent voltage conditions across the battery assembly.

Compact Design and Physical Dimensions

The NEEY DG-3S 2A features a compact circuit board design suitable for compatible 3S battery pack applications.

Its specified dimensions are 48mm in length and 20mm in width, with a weight of approximately 7 grams.

The compact size makes it convenient to consider for battery assemblies where installation space is limited. Users should check the available mounting area and wiring arrangement before installation.

Battery Balancer Applications

The NEEY Active Balancer 3S 2A can be considered for compatible rechargeable lithium battery applications.

Potential applications include:

• 3S lithium-ion battery packs.
• Compatible LiFePO4 battery assemblies.
• Rechargeable battery projects.
• Custom lithium battery configurations.
• Battery maintenance and balancing applications.

The final suitability depends on the battery chemistry, voltage range and electrical requirements of the battery pack.

Installation and Compatibility Considerations

Before installing the NEEY DG-3S 2A, confirm that the battery pack has the correct 3S configuration and supported cell chemistry.

Check the balance wire arrangement, battery terminal connections and voltage requirements. Incorrect wiring or reversed connections can damage the balancing device or connected battery components.

Installation should be carried out carefully by someone familiar with rechargeable lithium battery systems. Always follow the manufacturer’s wiring instructions and verify all connections before operation.

Why Choose NEEY Active Balancer from SUPERWAY?

The NEEY Active Balancer 3S 2A offers an inductive active balancing solution for compatible three-series battery configurations. Its 2A peak balancing current, compact circuit board design and energy transfer technology make it an option for battery builders, technicians and users working with suitable lithium battery systems.

SUPERWAY offers this product for customers looking for battery balancing components for compatible rechargeable battery applications.

With its 3S configuration, inductive balancing technology and no-external-power-supply design, this model is intended to help manage voltage differences between adjacent battery cells.

Customers should verify battery chemistry, voltage requirements and connection compatibility before purchasing and installing the product.