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Accessory for JKBMS monitoring, display, communication, or parallel operation
EJ 500A Smart Battery Shunt is a JKBMS accessory listed from $60.00. Use it to complete monitoring, display, interface, or parallel-module requirements after confirming compatibility with the installed BMS model.
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Product details
SELECTION HELP
FIT AND INSTALLATION NOTES
EJ 500A Smart Battery Shunt is ordered against the unit it attaches to, not against a spec table: the connector, the pinout at both ends and the firmware it has to talk to decide whether it works at all. Confirm those three first, because a mismatch in this class shows up as a device that simply does not answer.
Bought for an existing JKBMS installation that needs a display, adapter or module added to it. Within the JKBMS accessories, that is the job this one is sized for.
The numbers to design against: 0-500A continuous. Read them against the load and the cells, not against another model's headline figure.
Decide early whether the finished installation needs Bluetooth, a wired display, a CAN or RS485 link, or a USB service adapter, because that choice often determines which port is free.
Family position
| Model | From, US$ |
|---|---|
EJ-BM16-500A | 80.00 |
BM21 | 67.00 |
BM19 | 62.00 |
| EJ 500A Smart Battery Shuntthis listing | 60.00 |
V19 Version 7.0 Inch LCD Display Adapter | 59.95 |
4.3 LCD General Display Adapter | 9.98 |
V19 Version 4.3 LCD Display Adapter | 34.98 |
JK-BLMK-5A | 29.98 |
2.5 LCD Power Board Display | 15.98 |
General 3.2 LCD Power Board | 25.98 |
P-LINK-CR | 9.98 |
RS485-CAN | 6.98 |
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$60.00. 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
The figures below are the ones that decide whether EJ 500A Smart Battery Shunt works in a given pack. Read them against the cells and the load before ordering.
System fit checks
Four things worth settling while the order is still changeable, and one worth doing in the right order once the hardware arrives.
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.
For any inverter-connected system, confirm CAN or RS485 requirements, cable wiring, battery limits, master-slave roles, and commissioning settings before shipment.
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.
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
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.
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.
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.
JKBMS boards, monitors, displays, and accessories ship free worldwide. Delivery time depends on destination and customs handling rather than on the order value.
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
EJ 500A Smart Battery Shunt is a JKBMS accessory listed from $60.00. Use it to complete monitoring, display, interface, or parallel-module requirements after confirming compatibility with the installed BMS model.
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.
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.
EJ 500A Smart Battery Shunt 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.
This listing carries a single configuration. 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.
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