JKBMS JK-BD4A20S10P Smart Active Balance BMS official JKBMS main product image1 / 2

JKBMS JK-BD Series

JKBMS JK-BD4A20S10P Smart Active Balance BMS

BD smart BMS with active balancing for higher-voltage lithium packs

JKBMS JK-BD4A20S10P Smart Active Balance BMS is a JK BD-series smart active-balance BMS listed from $73.04. It is suited to 8-20S lithium battery packs and should be selected by cell count, discharge current, balance current, and required communication interface.

Model
JK-BD4A20S10P
Series Rating
8-20S
Continuous Discharge
100A
Balance Current
0.4A
Communication
Bluetooth, Display
View complete specifications
Choose configuration
Selected configuration$73.04

Shipping is calculated by destination during checkout. PayPal verifies and captures the final amount securely.

Product details

Supply scope and specifications

Key features

  • BD-series smart BMS platform
  • Active cell balancing for lithium battery packs
  • Model-specific discharge and cell-count rating
  • Bluetooth app support where provided by the selected model
  • Series rating: 8-20S
  • Continuous discharge: 100A
  • Active balance current: 0.4A
  • Communication: Bluetooth, Display

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-BD4A20S10P
SeriesJKBMS JK-BD Series
Balance Current0.4A
Continuous Discharge100A
CommunicationBluetooth, Display

Detailed product information

Complete visual product guide

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

JK-BD4A20S10P technical parameters, 8S–20S, 100A, 0.4A 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 guideSERIES COMPARISON

JK-BD vs JK-PB

Compare series roles, storage applications, display needs, and inverter communication requirements.

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-BD4A20S10P selection context

JK-BD4A20S10P should be compared as a specific JK-BD 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.

Application context

JKBMS JK-BD4A20S10P Smart Active Balance BMS belongs to the JK-BD series and is best reviewed for higher-series lithium battery packs where current rating and active balancing must match the real load.

The listed battery string range is 8-20S. The current reference is 100A. The active-balancing reference is 0.4A.

For communication planning, this page lists Bluetooth, Display; 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.
JKBMS officialLiFePO4 BMSModel index

Model planning

Model fit and purchase planning

Use this summary to confirm whether JKBMS JK-BD4A20S10P Smart Active Balance BMS fits the battery system before checkout, quotation, or installation.

Model
JK-BD4A20S10P
Primary use
Smart active-balance BMS for higher-series lithium packs
Battery strings
8-20S
Current reference
100A
Active balancing
0.4A
Communication
Bluetooth, Display

Pre-order checks

  • JKBMS JK-BD4A20S10P 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 100A 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, Display; protocol, pinout, firmware, and inverter compatibility still need project-level confirmation.
  • The 0.4A 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.JKBMS selection guideNarrow the catalog by strings, current, balancing, and communication.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 8-20S. Match the 100A current reference to the inverter, load, wiring, protection, and thermal design. Use the 0.4A active-balancing class as one selection input, not as a substitute for good cell matching.

Communication

Confirm protocol and interface details

Communication status: Bluetooth, Display. 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-bd4a20s10p-smart-bms-20s-100a-0-4a-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-BD4A20S10P Smart Active Balance BMS manual, wiring and compatibility FAQ

What is JKBMS JK-BD4A20S10P Smart Active Balance BMS used for?

JKBMS JK-BD4A20S10P Smart Active Balance BMS is listed for jkbms jk-bd series. JKBMS JK-BD4A20S10P Smart Active Balance BMS is a JK BD-series smart active-balance BMS listed from $73.04. It is suited to 8-20S lithium battery packs and should be selected by cell count, discharge current, balance current, and required communication interface.

Is JKBMS JK-BD4A20S10P Smart Active Balance BMS listed on the official JKBMS website?

JKBMS JK-BD4A20S10P 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-BD4A20S10P Smart Active Balance BMS?

Confirm model JK-BD4A20S10P, 8-20S, 100A, 0.4A, communication Bluetooth, Display against the battery pack, inverter, wiring, and project requirements before ordering.

What is included with JKBMS JK-BD4A20S10P 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-BD4A20S10P 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.

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