Battery compatibility
Chemistry changes the series range
- Li-ion (ternary/NMC)
- 7–16S
- LiFePO4 (LFP)
- 8–16S
- Lithium titanate (LTO)
- 14–16S
1 / 7JKBMS JK-PB Series
JK BMS PB2A16S20P
200 A-class inverter BMS with 2 A active balancing, CAN and dual RS485
JK-PB2A16S20P is a 200 A-class energy-storage BMS for 7-16S Li-ion, 8-16S LiFePO4 or 14-16S LTO packs. V19.0.3 explicitly maps the 20P model to 200 A maximum continuous, charge and discharge current. V24.0.1 verifies 2 A active balancing, Bluetooth, CAN, dual RS485, a display interface, heating control, dry contacts, parallel current limiting and discharge precharge. Confirm the hardware revision, protocol and harness before ordering.
- Model
- JK-PB2A16S20P
- Battery fit
- Li-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S
- Current
- 200 A class
- Active balance
- 2 A
- Manual basis
- V19.0.3 / V24.0.1
Choose configuration
Selected configuration$218.93
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MANUAL-VERIFIED TECHNICAL REFERENCE
JK-PB2A16S20P data by hardware revision
The V19.0.3 manual explicitly maps JK-PB2A16S20P to the 200 A current tier, while V24.0.1 verifies the chemistry-specific cell counts, 2 A active balancing, standard interfaces and V24 enclosure. Match the hardware revision before wiring.
Electrical limits
Use the correct rating label
- Active balance
- 2 A
- Current class
- 200 A
- Supply voltage
- 20–80 V
V19.0.3 maps the 20P model to 200 A maximum continuous, charge and discharge current. For V24.0.1 hardware, keep 200 A as the model class and confirm the configured protection limits.
Interfaces and functions
Standard is not the same as optional
Standard
Bluetooth · CAN · RS485-1 · RS485-2 · display interface
Additional standard functions
Heating control · Two dry-contact outputs · Parallel current limiting · Discharge precharge
- CAN and RS485-1 are provided for inverter communication.
- RS485-2 is used for parallel communication or PC software.
- Protocol compatibility, cable pinout and inverter settings must be confirmed for the target system.
Mechanical and environment
Match dimensions to the label
- V24.0.1
- 300 × 100 × 24 mm
- Operating temperature
- -40°C to 75°C
Revision control matters.
- V19.0.3 explicitly maps JK-PB2A16S-20P to 200 A maximum continuous, charge and discharge current.
- V24.0.1 lists 100 A, 150 A and 200 A tiers; confirm the shipped label and configured limits before relying on a protection setting.
- V19 and V24 wiring, connectors and harnesses must not be mixed by assumption.
- The available documents do not establish that V24 replaces every V19 unit.
- Weight, operating-power value and disputed instantaneous-current values are intentionally not published here pending final adjudication.
Manual basis
Documents reviewed for this page
- JK-PB1/2A16S-10/15/20P User Manual V19.0.3Reviewed pages: 8-9, 18
- JK Energy Storage Series BMS Specification V24.0.1Reviewed pages: 8-10, 17, 19, 27-28, 31
Before ordering
Four details that prevent the wrong configuration
- Photograph the product label or confirm the exact hardware/manual revision.
- Provide battery chemistry, series count and expected charge/discharge demand.
- Provide the inverter brand and model, required CAN or RS485 protocol, and parallel-pack plan.
- Confirm display, communication cable, heating, dry-contact and precharge requirements in the order.
Product details
Supply scope and specifications
Key features
- Chemistry-specific support: 7-16S Li-ion, 8-16S LiFePO4, 14-16S LTO
- 200 A current class; V19.0.3 explicitly documents the 20P current tier
- 2 A active cell balancing
- V24 standard interfaces: Bluetooth, CAN, dual RS485 and display
- V24 standard functions: heating, two dry contacts, parallel current limiting and discharge precharge
- Revision-controlled wiring: verify V19 versus V24 before selecting a harness
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-PB2A16S20P
SeriesJKBMS JK-PB Series
Battery ChemistryLi-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S
Series RatingLi-ion 7–16S; LiFePO4 8–16S; Lithium titanate 14–16S
Balance Current2 A active
Current Class200 A
Supply Voltage20–80 V
Operating Temperature-40°C to 75°C
Standard CommunicationBluetooth, CAN, RS485-1, RS485-2, display interface
DimensionsV24.0.1: 300 × 100 × 24 mm
Manual RevisionV19.0.3 / V24.0.1
Detailed product information
Complete visual product guide
Review the full product illustrations, dimensions, component information, and application notes before selecting a configuration.
SELECTION HELP
Check the system requirements before ordering
SELECTION GUIDE
How to choose a JKBMS
Check strings, current, active balancing, display, and communication requirements before comparing models.
Read guideSERIES COMPARISONJK-BD vs JK-PB
Compare series roles, storage applications, display needs, and inverter communication requirements.
Read guideBALANCING GUIDE1A vs 2A active balancing
Understand how balance-current class relates to cell capacity, imbalance, and correction time.
Read guideMODEL-SPECIFIC APPLICATION NOTES
JK-PB2A16S20P selection context
JK-PB2A16S20P should be compared as a specific JK-PB 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
The 200 A tier is explicitly mapped in V19.0.3, while the V24 dimensions and interface details apply to V24.0.1 hardware. Confirm the label, inverter protocol and cable because V19 and V24 wiring must not be treated as interchangeable.
Application context
JK BMS PB2A16S20P belongs to the JK-PB series and is best reviewed for 48V-class storage batteries and inverter-connected LiFePO4 systems.
The listed battery string range is Li-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S. The current reference is 200 A. The active-balancing reference is 2 A active.
For communication planning, this page lists Standard: Bluetooth, CAN, RS485-1, RS485-2, display interface; protocol, pinout, cable, firmware, and inverter or service-tool settings still need confirmation.
Decision checks
- Battery chemistry or cell fit: Li-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S.
- Mechanical planning: reserve space around V24.0.1: 300 × 100 × 24 mm, cable exits, airflow, and service access.
- 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.
Model planning
Model fit and purchase planning
Use this summary to confirm whether JK BMS PB2A16S20P fits the battery system before checkout, quotation, or installation.
- Model
- JK-PB2A16S20P
- Primary use
- Inverter-connected LiFePO4 storage batteries
- Battery strings
- Li-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S
- Current reference
- 200 A
- Active balancing
- 2 A active
- Communication
- Standard: Bluetooth, CAN, RS485-1, RS485-2, display interface
- Installation size
- V24.0.1: 300 × 100 × 24 mm
Pre-order checks
- JK BMS PB2A16S20P should be checked against the real battery pack, load current, installation space, thermal conditions, and selected accessories before purchase.
- The listed 200 A 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 Standard: Bluetooth, CAN, RS485-1, RS485-2, display interface; protocol, pinout, firmware, and inverter compatibility still need project-level confirmation.
- The 2 A active balancing specification is one selection factor and does not replace matched cells, correct wiring, or suitable charging settings.
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.
Match the product to the battery system
Confirm the battery pack is within Li-ion (ternary/NMC) 7–16S; LiFePO4 (LFP) 8–16S; Lithium titanate (LTO) 14–16S. Match the 200 A current reference to the inverter, load, wiring, protection, and thermal design. Use the 2 A active active-balancing class as one selection input, not as a substitute for good cell matching.
Confirm protocol and interface details
Communication status: Standard: Bluetooth, CAN, RS485-1, RS485-2, display interface. Confirm protocol, pinout, baud rate or CAN bitrate, firmware, and inverter compatibility before installation.
Plan wiring, mounting, and operating conditions
Reserve space for the listed dimensions: V24.0.1: 300 × 100 × 24 mm. Plan the installation around -40°C to 75°C operating conditions. Use suitable fusing, cable size, torque, ventilation, insulation, and commissioning checks for the final battery system.
Verify the product and quote channel
Verify this product on https://www.jkbms.net/products/jkbms-jkbms-jk-pb2a16s20p-smart-active-balance-bms, 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-PB2A16S20P manual, wiring and compatibility FAQ
Which battery cell counts does JK-PB2A16S20P support?
The V24.0.1 manual lists 7-16S for ternary/NMC lithium, 8-16S for LiFePO4 and 14-16S for LTO. Select by chemistry as well as series count.
Are CAN and RS485 standard on JK-PB2A16S20P V24?
For the V24.0.1 configuration, Bluetooth, CAN, two RS485 channels and a display interface are listed as standard. CAN and RS485-1 serve inverter communication; RS485-2 serves parallel communication or PC software. Protocol and cable compatibility still require confirmation.
What does the 200 A rating mean for JK-PB2A16S20P?
The V19.0.3 manual maps the 20P model to 200 A maximum continuous, charge and discharge current. For V24.0.1 hardware, treat 200 A as the model class and confirm the configured protection limits and complete system design.
Can a V19 harness be reused on a V24 JK-PB2A16S20P?
Do not assume so. V19 and V24 connectors, wiring and harness definitions must be matched to the actual hardware revision before connection.
What size is the JK-PB2A16S20P V24 enclosure?
The V24.0.1 manual gives 300 × 100 × 24 mm. Confirm the label because this dimension is revision-specific.
Is JK BMS PB2A16S20P listed on the official JKBMS website?
JK BMS PB2A16S20P 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.
What is included with JK BMS PB2A16S20P?
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 JK BMS PB2A16S20P?
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
- JK-PB2A16S20P manual and wiring diagramsOpen the document library by exact model code and confirm the manual revision before using a wiring diagram.
- JK-PB2A16S20P version-specific CAN/RS485 pinout checksPin order and supported protocols can change by model and hardware revision. Use only a table that explicitly lists the exact version.
- Compare JK-PB2A16S20P with nearby JKBMS modelsCompare documented battery range, current, balancing, communication and manual status in one table.
- JK-PB2A16S20P JKBMS app setupUse the dedicated Android and iOS setup page, then match the app and connection method to the documented hardware revision.
Get in Touch
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Phone+86 131 6282 8868
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WeChatEmailzhou@jkbms.net
LocationRoom 1008, Building B4, Yunzhi Science & Technology Park, Guangming District, Shenzhen, China