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JKBMS JK-B1A / B2A Series

JKBMS JK-B2A8S30P Smart Active Balance BMS

B1A/B2A smart active-balance BMS for DIY and system battery packs

JKBMS JK-B2A8S30P Smart Active Balance BMS is a JK B1A/B2A active-balance BMS listed from $61.56 to $142.98. It is intended for lithium battery packs where the exact series count, current rating, balance current, and communication features need to be confirmed before ordering.

Model
JK-B2A8S30P
Series Rating
4-8S
Continuous Discharge
300A
Balance Current
2A
Communication
Bluetooth
View complete specifications
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Selected configuration$142.98

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Product details

Supply scope and specifications

Key features

  • B1A/B2A active-balance BMS platform
  • Smart monitoring and protection for lithium packs
  • Model-specific cell count and discharge-current range
  • Suitable for DIY battery builds and system maintenance
  • Series rating: 4-8S
  • Continuous discharge: 300A
  • Active balance current: 2A
  • Communication: Bluetooth

Included

  • Selected JKBMS smart BMS model or display bundle
  • Model-specific wiring harness and standard accessories supplied with the product
  • Documentation or setup references supplied with the selected package

Not included

  • Battery cells, battery enclosure, inverter, charger, and external power cabling
  • External contactors, breakers, fuses, and installation hardware unless specified
  • Onsite installation, commissioning, firmware setup, or inverter configuration service
ModelJK-B2A8S30P
SeriesJKBMS JK-B1A / B2A Series
Balance Current2A
Continuous Discharge300A
CommunicationBluetooth

Detailed product information

Complete visual product guide

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

JK-B2A8S30P technical parameters, 4S–8S, 300A, 2A active balance

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.
SELECTION GUIDE

How to choose a JKBMS

Check strings, current, active balancing, display, and communication requirements before comparing models.

Read guideBALANCING GUIDE

1A vs 2A active balancing

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

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-B2A8S30P selection context

JK-B2A8S30P should be compared as a specific JK-B2A series 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.
Why this model matters

JK-B2A8S30P is a high-current compact-pack reference for 3S-8S battery systems. Its 300A rating and 2A active balancing must be checked against actual duty cycle, cable size, terminals, enclosure cooling, chemistry, and available installation space.

Application context

JKBMS JK-B2A8S30P Smart Active Balance BMS belongs to the JK-B2A series and is best reviewed for compact lithium packs where active balancing, current rating, and app monitoring are key selection inputs.

The listed battery string range is 4-8S. The current reference is 300A. The active-balancing reference is 2A.

For communication planning, this page lists Bluetooth; 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 balance BMS1A vs 2A guideCompare JKBMS models

Model planning

Model fit and purchase planning

Use this summary to confirm whether JKBMS JK-B2A8S30P Smart Active Balance BMS fits the battery system before checkout, quotation, or installation.

Model
JK-B2A8S30P
Primary use
Smart active-balance BMS for compact lithium packs
Battery strings
4-8S
Current reference
300A
Active balancing
2A
Communication
Bluetooth

Pre-order checks

  • JKBMS JK-B2A8S30P Smart Active Balance BMS should be checked against the real battery pack, load current, installation space, thermal conditions, and selected accessories before purchase.
  • The listed 300A current reference must be matched with cable size, terminals, fuse or breaker, battery cells, thermal design, and expected inverter demand.
  • The listed communication options are Bluetooth; protocol, pinout, firmware, and inverter compatibility still need project-level confirmation.
  • The 2A 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 guideCompare balance-current classes before selecting a model.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 battery pack is within 4-8S. Match the 300A current reference to the inverter, load, wiring, protection, and thermal design. Use the 2A active-balancing class as one selection input, not as a substitute for good cell matching.

Communication

Confirm protocol and interface details

Communication status: Bluetooth. Confirm protocol, pinout, baud rate or CAN bitrate, firmware, and inverter 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-b2a8s30p-300a-smart-bms-2a-active-balancer-4s-8s, 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-B2A8S30P Smart Active Balance BMS manual, wiring and compatibility FAQ

What is JKBMS JK-B2A8S30P Smart Active Balance BMS used for?

JKBMS JK-B2A8S30P Smart Active Balance BMS is listed for jkbms jk-b1a / b2a series. JKBMS JK-B2A8S30P Smart Active Balance BMS is a JK B1A/B2A active-balance BMS listed from $61.56 to $142.98. It is intended for lithium battery packs where the exact series count, current rating, balance current, and communication features need to be confirmed before ordering.

Is JKBMS JK-B2A8S30P Smart Active Balance BMS listed on the official JKBMS website?

JKBMS JK-B2A8S30P Smart Active Balance BMS 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-B2A8S30P Smart Active Balance BMS?

Confirm model JK-B2A8S30P, 4-8S, 300A, 2A, communication Bluetooth against the battery pack, inverter, wiring, and project requirements before ordering.

What is included with JKBMS JK-B2A8S30P Smart Active Balance BMS?

Selected JKBMS smart BMS model or display bundle; Model-specific wiring harness and standard accessories supplied with the product; Documentation or setup references supplied with the selected package. Not included: Battery cells, battery enclosure, inverter, charger, and external power cabling; External contactors, breakers, fuses, and installation hardware unless specified. The final selected configuration and written quotation remain the reference for supply scope.

How do payment, shipping, and returns work for JKBMS JK-B2A8S30P Smart Active Balance BMS?

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.

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