JKBMS Active Balancers

JKBMS JK-B2A8S Active Balancer — 2A 2~8S Battery Equalizer

$59.68Изберете конфигурация

2A 2~8S Battery Equalizer

Детайли за продукта

JKBMS JK-B2A8S is a standalone 2A active battery equalizer. The current batch supports 2–8S, confirmed by the merchant on 2026-10-15. Keep a suitable protection BMS and confirm chemistry, interfaces and the matched wiring before ordering.

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Изберете конфигурация
Model
JK-B2A8S
Series Rating
2–8S
Balance Current
2A active
Communication
Confirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed
Selection Note
Confirm the exact hardware suffix, battery chemistry, cell count, current duty, connector, harness, firmware, and communication protocol before ordering.
View complete specifications

Подробна продуктова информация

Пълен визуален продуктов наръчник

Review the full product illustrations, dimensions, component information, and application notes before selecting a configuration.

Детайли за продукта

Обхват на доставката и спецификации

Основни характеристики

  • Model: JK-B2A8S
  • Battery strings: 2–8S
  • Balance current: 2A active
  • Current 2–8S range confirmed by the merchant on 2026-10-15
  • Confirm fitted interfaces, protocol, harness and current hardware revision; CAN, RS485 and cascade are not assumed
  • Confirm chemistry, cell count, wiring sequence and connector before installation

Включено

  • 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

Не е включено

  • 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-B2A8S
SeriesJKBMS Active Balancers
Series Rating2–8S
Balance Current2A active
CommunicationConfirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed
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.
BALANCING GUIDE

1A vs 2A active balancing

Understand how balance-current class relates to cell capacity, imbalance, and correction time.

Read guideBALANCER CATALOG

Compare standalone active balancers

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

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-B2A8S selection context

JK-B2A8S 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-B2A8S Active Balancer — 2A 2~8S 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 2–8S. The active-balancing reference is 2A active.

For communication planning, this page lists Confirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed; 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 catalogStandalone balancer or BMS?Active balancing explained

Model planning

Model fit and purchase planning

Use this summary to confirm whether JKBMS JK-B2A8S Active Balancer — 2A 2~8S Battery Equalizer fits the battery system before checkout, quotation, or installation.

Model
JK-B2A8S
Primary use
Standalone active cell equalization for lithium battery systems
Battery strings
2–8S
Active balancing
2A active
Communication
Confirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed

Pre-order checks

  • JKBMS JK-B2A8S Active Balancer — 2A 2~8S 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 Confirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed; protocol, pinout, firmware, and inverter compatibility still need project-level confirmation.
  • The 2A 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.Standalone equalizer selection guideCheck existing protection, cell condition, exact revision and balance current.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 2–8S. Use the 2A 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: Confirm interfaces on the supplied hardware; CAN, RS485 and cascade are not assumed. 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-b2a8s-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

JK-B2A8S compatibility, configuration and purchase FAQВъпроси и отговори

Does JK-B2A8S replace my protection BMS?

No. It is a standalone active equalizer that transfers energy between cells. A suitable BMS and system protection are still required for overcharge, overdischarge, overcurrent, temperature and short circuits.

What does 2A balancing current mean?

It is the nominal balancing-current class of JK-B2A8S, not the permitted charge or discharge current of the battery pack. Actual current and correction time depend on voltage difference, settings, wiring, temperature and cell condition. It is not a promise of continuous operation at the maximum balancing current.

How do I check whether JK-B2A8S fits my pack?

The merchant confirmed 2–8S support for the currently sold batch on 2026-10-15. Provide the chemistry, exact series count, cell capacity, voltage spread and existing BMS model, and verify the matched wiring and settings. Nominal pack voltage or a historical specification alone does not establish compatibility.

Are CAN, RS485 and cascade operation included?

Do not assume they are included. Confirm the supplied hardware revision, physically available interfaces, protocol, pinout and quoted accessories. A matching connector does not establish compatibility, and support on a related model does not prove support on this one.

Can active balancing repair a weak cell?

Balancing cannot repair a damaged cell, a loose connection, a major capacity mismatch or incorrect charger settings. Diagnose the cause of repeated imbalance first; selecting a higher balancing current does not replace that check.

Which wiring diagram should I use?

Use only the manual and wiring diagram matched to the complete model code, hardware revision and supplied harness. Before connection, have a qualified installer verify the sampling-wire sequence and the voltages specified in that manual. Do not copy the wiring diagram of a similar-looking model.

Technical resources for this modelИзтегляния и поддръжка

RELATED PRODUCTS

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

Get in Touch

Ready to power your future? Contact us for a custom quote or partnership inquiry.

Phone+86 131 6282 8868
WhatsApp QR codeWhatsApp
WeChat QR codeWeChat
Emailzhou@jkbms.net
LocationRoom 1008, Building B4, Yunzhi Science & Technology Park, Guangming District, Shenzhen, China
Общо$59.68

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