JKBMS JK-B1A / B2A Series
JKBMS JK-B1A8S20P Smart Active Balance BMS
B1A/B2A smart active-balance BMS for DIY and system battery packsFrom $70.62View product
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JKBMS JK-B1A / B2A Series
JK-B1A20S15P
$124.36Choose configuration
JK-B1A20S15P+4.3"Display
Technical data for JK-B1A20S15P requires exact-model documentation. Confirm chemistry, strings, current duty, interfaces, hardware revision and harness before ordering.
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Selected configuration$124.36
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Selected SKU facts
- Selected model
- JK-B1A20S15P
- Configuration
- JK-B1A20S15P+4.3"Display
Manual data is revision-specific. Confirm the shipped label and harness before wiring.
Optional compatible accessories
No confirmed accessory match for this configuration. Request compatibility confirmation.
Product details
Supply scope and specifications
Key features
- Exact-model technical data and hardware revision require factory confirmation.
Included
- Selected configuration: JK-B1A20S15P+4.3"Display
- 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-B1A20S15P
ConfigurationJK-B1A20S15P+4.3"Display
TECHNICAL SPECIFICATIONS
JK-B1A20S15P parameter details
Hardware revisions and optional interfaces may differ; confirm the supplied revision before wiring or changing protection settings. The shared original chart includes separate model columns; only the selected model is translated above. LTO values are retained exactly as published and require revision confirmation.
| NMC battery strings | 7-20S |
|---|---|
| LiFePO4 battery strings | 8-20S |
| LTO battery strings (as published) | 14-20S |
| Balancing method | Active balancing |
| Active balancing current | 1 A |
| Main circuit resistance | 0.65 mOhm |
| Continuous discharge current | 150 A |
| Maximum discharge current | 300 A |
| Overcurrent protection setting | 10-150 A |
| Other interfaces (custom order) | RS485 / CAN |
| Display interface | Supported |
| Charge / discharge connection | Common port |
| Cell voltage measurement range | 1-5 V |
| Voltage measurement accuracy | +/-5 mV |
| Overcharge protection voltage | 1.2-4.35 V, adjustable |
| Overcharge release voltage | 1.2-4.35 V, adjustable |
| Overcurrent release delay | 2-120 s, adjustable |
| Overdischarge protection voltage | 1.2-4.35 V, adjustable |
| Overdischarge recovery voltage | 1.2-4.35 V, adjustable |
| Temperature sensing points | 3 |
| Temperature protection | Supported |
| Short-circuit protection | Supported |
| Coulomb counting | Supported |
| Bluetooth app platforms | Android, iOS and HarmonyOS |
| GPS (optional) | Supported; GPS and RS485 are mutually exclusive |
Exact-model verification
No exact-model manual association is confirmed for the selected configuration.
JK-B1A20S15P manuals and wiringJK BMS app downloads and compatibilityCompare this configuration
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