JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer official JKBMS main product image1 / 7

JKBMS Active Balancers

JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer

4A 2~24S Battery Equalizer

JKBMS JK-B4A24S: 4A active balancer for 2~24S LiFePO4 & lithium packs. Faster balancing for large-capacity cells. Bluetooth, optional RS485/CAN, cascade.

Model
JK-B4A24S
Series Rating
2–24S
Balance Current
4A active
Communication
Bluetooth, optional RS485/CAN, cascade support
Series
JKBMS Active Balancers
View complete specifications
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Selected configuration$87.68

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Product details

Supply scope and specifications

Key features

  • Model: JK-B4A24S
  • Battery strings: 2–24S
  • Balance current: 4A active
  • Communication: Bluetooth, optional RS485/CAN, cascade support
  • Confirm chemistry, cell count, wiring sequence, connector, and cascade requirements before installation

Included

  • The selected JKBMS active balancer model
  • Sampling harness, connector leads, and standard accessories shown in the selected product packing list
  • Basic supplier packing and available model documentation

Not included

  • Battery protection BMS, charge/discharge switching, contactors, precharge circuit, battery cells, and system power hardware
  • Optional communication hardware, controller, cable, or cascade accessory unless listed in the selected product packing list
  • Onsite installation, commissioning, battery repair, or system integration
ModelJK-B4A24S
SeriesJKBMS Active Balancers
Series Rating2–24S
Balance Current4A active
CommunicationBluetooth, optional RS485/CAN, cascade support
Selection NoteConfirm the exact hardware suffix, battery chemistry, cell count, current duty, connector, harness, firmware, and communication protocol before ordering.

SELECTION HELP

Check the system requirements before ordering

Technical guides help narrow the product and configuration. The exact product specifications, written quotation, and compatibility confirmation remain the final reference.
BALANCER CATALOG

Compare standalone active balancers

Compare battery strings, balance current, cascade design, CAN, RS485, and supplied accessories across the active-balancer range.

Read guideBALANCER GUIDE

Choose active balance current

Compare cell capacity, imbalance, correction time, wiring, and thermal requirements before selecting a standalone equalizer.

Read guideCOMMUNICATION GUIDE

CAN vs RS485 for a BMS

Separate physical interface choice from inverter protocol and system compatibility requirements.

Read guide

MODEL-SPECIFIC APPLICATION NOTES

JK-B4A24S selection context

JK-B4A24S should be compared as a specific JKBMS standalone active balancers product, not only by a copied title or image. The selection should be based on the real battery system, installation space, communication needs, and official quotation or checkout configuration.

Application context

JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer belongs to the JKBMS standalone active balancers and is best reviewed for standalone cell equalization where battery protection, switching, and current control are handled separately.

The listed battery string range is 2–24S. The active-balancing reference is 4A active.

For communication planning, this page lists Bluetooth, optional RS485/CAN, cascade support; protocol, pinout, cable, firmware, and inverter or service-tool settings still need confirmation.

Decision checks

  • Confirm battery chemistry, cell count, and pack voltage before selecting the product.
  • Confirm mounting position, cable exit, airflow, and service access in the final enclosure.
  • For direct checkout, verify the selected configuration and destination shipping before payment.
  • Use www.jkbms.net and zhou@jkbms.net to verify official source, quotation, and bulk purchasing details.
Active balancer catalogBalance-current guideActive balancing explained

Model planning

Model fit and purchase planning

Use this summary to confirm whether JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer fits the battery system before checkout, quotation, or installation.

Model
JK-B4A24S
Primary use
Standalone active cell equalization for lithium battery systems
Battery strings
2–24S
Active balancing
4A active
Communication
Bluetooth, optional RS485/CAN, cascade support

Pre-order checks

  • JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer should be checked against the real battery pack, load current, installation space, thermal conditions, and selected accessories before purchase.
  • Confirm current rating and protection design from the final product page or written quotation before ordering.
  • The listed communication options are Bluetooth, optional RS485/CAN, cascade support; protocol, pinout, firmware, and inverter compatibility still need project-level confirmation.
  • The 4A active balancing specification is one selection factor and does not replace matched cells, correct wiring, or suitable charging settings.
Official website verificationVerify www.jkbms.net, company identity, and official sales contact.Active balancing guideReview balance-current selection before choosing a standalone equalizer.JKBMS model indexCompare model families, string ranges, current ratings, and communication.

System fit checks

Compatibility, installation, and official purchase checks

Use these checks before selecting a configuration, requesting a quote, or installing the product in a battery system.

Compatibility

Match the product to the battery system

Confirm the complete battery string is within 2–24S. Use the 4A active balance-current class only after checking cell capacity, voltage spread, wiring, and thermal conditions. This product equalizes cells but does not replace charge, discharge, overcurrent, temperature, or short-circuit protection from a suitable BMS and system design.

Communication

Confirm protocol and interface details

Equalizer communication status: Bluetooth, optional RS485/CAN, cascade support. Confirm the exact connector, cascade role, CAN or RS485 interface, wiring diagram, and controller compatibility before installation.

Installation

Plan wiring, mounting, and operating conditions

Use suitable fusing, cable size, torque, ventilation, insulation, and commissioning checks for the final battery system.

Official source

Verify the product and quote channel

Verify this product on https://www.jkbms.net/products/jkbms-jk-b4a24s-active-balancer, confirm the official domain is www.jkbms.net, and use zhou@jkbms.net for quotation checks before bulk payment or project procurement.

Product FAQ

JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer manual, wiring and compatibility FAQ

What is JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer used for?

JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer is listed for jkbms active balancers. JKBMS JK-B4A24S: 4A active balancer for 2~24S LiFePO4 & lithium packs. Faster balancing for large-capacity cells. Bluetooth, optional RS485/CAN, cascade.

Is JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer listed on the official JKBMS website?

JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer is listed on www.jkbms.net, the official factory website operated by JKBMS Electronic Technology Co.,Ltd. Use https://www.jkbms.net and the official sales email zhou@jkbms.net to verify quotes before payment.

How should I confirm compatibility before ordering JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer?

Confirm model JK-B4A24S, 2–24S, 4A active, communication Bluetooth, optional RS485/CAN, cascade support against the battery pack, inverter, wiring, and project requirements before ordering.

What is included with JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer?

The selected JKBMS active balancer model; Sampling harness, connector leads, and standard accessories shown in the selected product packing list; Basic supplier packing and available model documentation. Not included: Battery protection BMS, charge/discharge switching, contactors, precharge circuit, battery cells, and system power hardware; Optional communication hardware, controller, cable, or cascade accessory unless listed in the selected product packing list. The final selected configuration and written quotation remain the reference for supply scope.

How do payment, shipping, and returns work for JKBMS JK-B4A24S Active Balancer — 4A 2~24S Battery Equalizer?

Purchasable JKBMS products can be ordered from the product page. Verify the model, configuration, destination, and official sales contact before bulk purchasing or project use. Return and shipping rules are published at https://www.jkbms.net/policies.

Technical resources for this model

RELATED PRODUCTS

Review nearby models in the same product family before confirming strings, current rating, balancing, display, or communication requirements.

Get in Touch

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