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JKBMS Accessories

EJ-BM16-500A Smart Battery Monitor

Accessory for JKBMS monitoring, display, communication, or parallel operation

EJ-BM16-500A Smart Battery Monitor is a JKBMS accessory listed from $80.00 to $87.00. Use it to complete monitoring, display, interface, or parallel-module requirements after confirming compatibility with the installed BMS model.

Model
EJ-BM16-500A
Dimensions
15 × 15 × 5 cm
Series
JKBMS Accessories
Weight
5950 g
Volatage
10-80V
View complete specifications
Choose configuration
Selected configuration$87.00

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Product details

Supply scope and specifications

Key features

  • JKBMS-compatible accessory
  • Supports monitoring, display, communication, or parallel operation depending on model
  • Selected by target BMS model and connector type
  • Useful for service, installation, or system expansion

Included

  • Selected JKBMS accessory model
  • Standard connector or accessory parts supplied with that model
  • Basic product packing from the supplier

Not included

  • BMS main unit, inverter, battery cells, and external system hardware
  • Installation, firmware update, parameter setup, or compatibility debugging service
  • Any adapter, cable, or accessory not named in the selected product option
ModelEJ-BM16-500A
SeriesJKBMS Accessories
OptionsChoose an option EJ-BM16 with 1M Shielded Wire EJ-BM16 with 3M Shielded Wire EJ-BM16 with 6M Shielded Wire EJ-BM16 with 8M Shielded Wire Clear
Weight5950 g
Dimensions15 × 15 × 5 cm
Volatage10-80V
Current0-500A
Capacity0.1-9999Ah
Temperature-10 ~ 60℃
Reference sourceImported from public JKBMS shop listing on 2026-07-02

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.

FIT AND INSTALLATION NOTES

Designing EJ-BM16-500A into a pack

EJ-BM16-500A is a JKBMS accessories unit. Whether it suits a build is decided by the cells, the load and the enclosure rather than by the model name, so the notes below cover what to settle before ordering and what tends to go wrong after.
Why this model matters

EJ-BM16-500A is ordered against the unit it attaches to, not against a spec table: the connector, the pinout at both ends and the firmware it has to talk to decide whether it works at all. Confirm those three first, because a mismatch in this class shows up as a device that simply does not answer.

Application context

Bought for an existing JKBMS installation that needs a display, adapter or module added to it. Within the JKBMS accessories, that is the job this one is sized for.

The numbers to design against: 0-500A continuous. Read them against the load and the cells, not against another model's headline figure.

Decide early whether the finished installation needs Bluetooth, a wired display, a CAN or RS485 link, or a USB service adapter, because that choice often determines which port is free.

Decision checks

  • Confirm cell chemistry, series count and resting pack voltage before comparing anything else.
  • Space: 15 × 15 × 5 cm, plus room for cable bends, airflow and a hand to reach the terminals later.
  • Terminals and harness rated for the current actually planned, not for the board maximum.
  • Configuration and destination confirmed at checkout, since shipping rules differ by region.

Family position

EJ-BM16-500A in the JKBMS Accessories group

Chosen against the unit it attaches to, so the useful comparison is what else is stocked in this group and where each entry sits on price.
JKBMS Accessories listings on this domain, with this page marked.
ModelFrom, US$
EJ-BM16-500Athis listing80.00
BM2167.00
BM1962.00
EJ 500A Smart Battery Shunt60.00
V19 Version 7.0 Inch LCD Display Adapter59.95
4.3 LCD General Display Adapter9.98
V19 Version 4.3 LCD Display Adapter34.98
JK-BLMK-5A29.98
2.5 LCD Power Board Display15.98
General 3.2 LCD Power Board25.98
P-LINK-CR9.98
RS485-CAN6.98

What actually changes between these codes

13 JKBMS Accessories listings are stocked on this domain. This class of part is selected by interface and physical fit rather than by pack ratings — connector, protocol and mounting have to match the unit it attaches to, which is why the entries in the table are not interchangeable substitutes for each other.

Prices across this group run from US$6.98 (RS485-CAN) to US$103.00 (WiFi Remote Monitoring Module), with this listing from US$80.00. Where two entries sit far apart, the gap is the interface or the bundled hardware rather than the quality of the part, so buy to the requirement in front of you.

Model planning

Does this fit the build?

The figures below are the ones that decide whether EJ-BM16-500A Smart Battery Monitor works in a given pack. Read them against the cells and the load before ordering.

Model
EJ-BM16-500A
Primary use
JKBMS display, monitoring, module, or harness support
Installation size
15 × 15 × 5 cm

Pre-order checks

  • Take the current rating from the spec table above and size cable, terminals and protection against the real load rather than the pack capacity.
  • If this will talk to an inverter, settle the interface, the pinout and both firmware versions before the pack is assembled.
  • Balance requirements come from how well the cells are matched and how much idle time the duty cycle leaves, not from the model name.
  • Leave the enclosure question until last and it becomes the expensive one: cable bend radius, airflow and reaching a terminal after assembly are all easier to design in than to retrofit.

System fit checks

Before it ships, and before it powers up

Four things worth settling while the order is still changeable, and one worth doing in the right order once the hardware arrives.

Fit

Match it to the cells and the load

Confirm the exact supported battery string range on the product page. Match the continuous current rating to the actual load and protection design. Confirm the required active-balancing current before choosing a model.

Link

Settle the interface before the pack is closed

For any inverter-connected system, confirm CAN or RS485 requirements, cable wiring, battery limits, master-slave roles, and commissioning settings before shipment.

Space

Mounting, airflow and reach

Reserve space for the listed dimensions: 15 × 15 × 5 cm. Use suitable fusing, cable size, torque, ventilation, insulation, and commissioning checks for the final battery system.

Commissioning

The order that saves a day

Bring the pack up on local monitoring and confirm the cell readings look sane before connecting anything downstream. Debugging a protocol handshake against a pack that has an unrelated wiring or balance fault costs most of a commissioning day.

Buying notes

What to confirm before ordering

Practical points buyers raise before paying: where the product comes from, what documentation to check first, how it ships, and how the price is set.

Source

Bought from the factory that builds it

This catalogue is operated by JKBMS Electronic Technology Co.,Ltd rather than a reseller, so model configuration, documentation, and warranty questions are answered by the manufacturer instead of being referred upstream.

Documentation

Confirm the manual before you wire anything

Parameter sets and connector assignments differ between model families and hardware revisions. Download the manual for this exact model and check it against your pack before commissioning rather than relying on a similar model.

Shipping

Free worldwide shipping

JKBMS boards, monitors, displays, and accessories ship free worldwide. Delivery time depends on destination and customs handling rather than on the order value.

Checkout

Priced per SKU, paid through PayPal

Each configuration is priced separately and the total is re-checked on the server at checkout, so the price shown for the selected SKU is the price charged. Larger quantities are quoted separately through a bulk enquiry.

Product FAQ

Buying and compatibility notes for EJ-BM16-500A

What kind of build is EJ-BM16-500A meant for?

EJ-BM16-500A Smart Battery Monitor is a JKBMS accessory listed from $80.00 to $87.00. Use it to complete monitoring, display, interface, or parallel-module requirements after confirming compatibility with the installed BMS model.

What has to be checked before ordering EJ-BM16-500A?

Take the figures from the spec table on this page and check them against the pack, the load and the space available. Model names are not specific enough to select on.

What arrives in the box with EJ-BM16-500A?

Selected JKBMS accessory model; Standard connector or accessory parts supplied with that model; Basic product packing from the supplier. Not included: BMS main unit, inverter, battery cells, and external system hardware; Installation, firmware update, parameter setup, or compatibility debugging service. Where a configuration option changes the contents, the option selected at checkout is what ships.

Who makes EJ-BM16-500A and who ships it?

EJ-BM16-500A is stocked here as a jkbms accessories listing. JKBMS hardware is built by JKBMS Electronic Technology Co.,Ltd, and BatteryBoxKit is the storefront that holds and ships it, so orders leave from held stock and confirmations come from zhou@jkess.com.

Ordering EJ-BM16-500A: how do shipping and returns work?

This page lists 4 configurations, and the one selected at checkout is what ships. Order directly from this page; boards, displays, cables and accessories ship free. If the cart also includes a battery kit, that kit's destination-based shipping rule applies, so confirm the destination before paying.

Shipping and return terms apply to this listing and to every configuration shown above.

RELATED PRODUCTS

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

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