Battery compatibility
Chemistry changes the series range
- Li-ion (ternary/NMC)
- 7–16S
- LiFePO4 (LFP)
- 8–16S
- Lithium titanate (LTO)
- 14–16S
JKBMS JK-PB Series
JK-PB2A16S20P
$161.98Choose configuration
JK-PB2A16S20P
Product details
JK-PB2A16S20P. Battery chemistry / strings: Li-ion (ternary/NMC): 7-16S; LiFePO4 (LFP): 8-16S; Lithium titanate (LTO): 14-16S; Current class (not a continuous rating): 200 A; Active balance: 2 A; Documented standard interfaces: Bluetooth, CAN, RS485-1, RS485-2, display interface; Included interface features: RS485. Confirm shipped revision, connectors and harness.
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Product-family image. Exact SKU appearance and supplied items are not confirmed by this image.
- Selected model
- JK-PB2A16S20P
- Battery chemistry / strings
- Li-ion (ternary/NMC): 7-16S; LiFePO4 (LFP): 8-16S; Lithium titanate (LTO): 14-16S
- Current class (not a continuous rating)
- 200 A
- Active balance
- 2 A
- Model Feature
- Integrated 10 A parallel current limiter
- Documented standard interfaces
- Bluetooth, CAN, RS485-1, RS485-2, display interface
Choose configuration
BMS features
US$1 / BMSH = heating interface, C = CAN, R = RS485. Each added feature is US$1 per BMS, added after the 5% bundle discount. Features already included in this model are not charged again.
Included as standard · no selection neededCAN (C)RS485 (R)
Final modelJK-PB2A16S20P
Complete your BMS
Save 5%Choose a display or WiFi module. Save 5% on your BMS and these selected accessories.
The 5% saving applies once to your BMS and selected display or WiFi accessories.
All extras are optional. You can continue without adding any.
Selected SKU facts
- Selected model
- JK-PB2A16S20P
- Configuration
- JK-PB2A16S20P
- Model Feature
- Integrated 10 A parallel current limiter
- Battery chemistry / strings
- Li-ion (ternary/NMC): 7-16S; LiFePO4 (LFP): 8-16S; Lithium titanate (LTO): 14-16S
- Active balance
- 2 A
- Current class (not a continuous rating)
- 200 A
- Documented standard interfaces
- Bluetooth, CAN, RS485-1, RS485-2, display interface
- Included interface features
- RS485
- Specification basis
- Company model catalog (2026-07-11); JKBMS JK-PB1/2A16S manual V19.0.3 and energy-storage BMS specification V24.0.1 (V19.0.3 / V24.0.1); Catalog owner confirmed standard model features (Owner-confirmed specification)
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.
Manual data is revision-specific. Confirm the shipped label and harness before wiring.
HARDWARE SPECIFICATIONS
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.
TECHNICAL DOCUMENTS
Product manuals
Documentation review recorded 2026-08-03. Technical facts apply only to the named document and hardware revisions; this is not a manufacturing or stock date.
- JK Energy Storage Series BMS Specification (includes JK-PB2A16S-20P) V19.0.3 · Reference pages: 8-9, 18
- JK Energy Storage Series BMS Specification (includes JK-PB2A16S-20P) V24.0.1 · Reference 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
- Model Feature: Integrated 10 A parallel current limiter
- Battery chemistry / strings: Li-ion (ternary/NMC): 7-16S; LiFePO4 (LFP): 8-16S; Lithium titanate (LTO): 14-16S
- Active balance: 2 A
- Current class (not a continuous rating): 200 A
- Documented standard interfaces: Bluetooth, CAN, RS485-1, RS485-2, display interface
- Included interface features: RS485
Included
- Selected configuration: JK-PB2A16S20P
- Exact harness and supplied items require confirmation against the packing list.
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
Selected modelJK-PB2A16S20P
ConfigurationJK-PB2A16S20P
Model FeatureIntegrated 10 A parallel current limiter
Battery chemistry / stringsLi-ion (ternary/NMC): 7-16S; LiFePO4 (LFP): 8-16S; Lithium titanate (LTO): 14-16S
Active balance2 A
Current class (not a continuous rating)200 A
Documented standard interfacesBluetooth, CAN, RS485-1, RS485-2, display interface
Included interface featuresRS485
Specification basisCompany model catalog (2026-07-11); JKBMS JK-PB1/2A16S manual V19.0.3 and energy-storage BMS specification V24.0.1 (V19.0.3 / V24.0.1); Catalog owner confirmed standard model features (Owner-confirmed specification)
Exact-model verification
No exact-model wiring PDF is verified for JK-PB2A16S20P. The listed V19.31 file is firmware, not a connection diagram; confirm the BMS label and hardware revision with support.
Check JK-PB2A16S20P wiring document statusSearch all JK-PB2A16S20P documentsJK BMS app downloads and compatibilityCompare this configurationBMS selection and accessory pricing guideProtocol choices and inverter compatibilityCurrent product facts — textCurrent product facts — JSONProduct FAQ
JK-PB2A16S20P compatibility, configuration and purchase FAQ
How do I choose the correct BMS for my battery?
Provide the chemistry, exact series count, continuous charge and discharge current, and peak current with its duration. Then check balancing current, installation space, cooling, inverter, hardware revision and matched wiring. Nominal voltage, a series name or a similar connector alone does not establish compatibility.
Can I add a 4.3-inch display and WiFi module to this BMS?
Yes. The current catalogue offers these options for this BMS, independently or together. Each selected accessory is supplied once per BMS; a display already included in the selected package is not charged twice. Confirm the adapter and harness for the supplied hardware revision.
Do two selected accessories give a 10% discount?
No. Selecting a display or WiFi applies the 5% discount once to the BMS and those accessories. Two accessories do not double the discount. H/C/R feature fees do not trigger or receive the discount and are added in full afterwards.
Can this BMS be ordered with a 7-inch display?
Yes. This page belongs to the PB series, which offers the 7-inch display option. Confirm the adapter, revision and selected package before ordering.
Can I add heating, CAN and RS485, and what do they cost?
H means heating interface, C means CAN and R means RS485. All PB-series models and B2A32S-RP include CAN and RS485 as standard: no selection or extra charge is needed. Each feature not already included costs USD 1 per BMS. Features included in the model are not offered or charged again. The final model retains existing feature letters and adds only newly selected options in H, C, R order, preserving any existing PB suffix. Option fees are added after any 5% bundle discount and do not trigger it. Confirm the model, hardware revision, application protocol and harness for your inverter.
Does CAN or RS485 guarantee compatibility with my inverter?
No. Confirm the exact inverter and BMS models, hardware revision, application protocol, firmware, pinout, cable and settings. A website selection or a matching connector does not prove that the two devices can communicate.
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.
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