• JKBMS JK-B1A8S20P 200A Smart BMS - Product Overview
  • JKBMS JK-B1A8S20P Dimensions & Parameter Chart
  • JKBMS JK-B1A8S20P Wiring Diagram & Port Description
  • JKBMS JK-B1A8S20P APP Interface & Bluetooth Monitoring
  • JKBMS JK-B1A8S20P Active Balancing Effect Comparison
  • JKBMS JK-B1A8S20P Features & Function Description
  • JKBMS JK-BD4A8S4P Working Diagram & System Integration
  • JKBMS JK-B1A8S20P Packaging & Accessories
  • JKBMS JK-B1A8S20P Application Scenarios
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JKBMS

JKBMS JK-B1A8S20P | 200A Smart BMS for RV & Backup Power | 4S-8S LiFePO4 Li-ion | 1A Active Balance

JKBMS JK-B1A8S20P | 200A Smart BMS for RV & Backup Power | 4S-8S LiFePO4 Li-ion | 1A Active Balance

$89.99 USD
$89.99 USD
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Size

High-Current Reliability for Mobile & Backup Power — JKBMS JK-B1A8S20P 200A Smart BMS for 4S–8S

The JK-B1A8S20P delivers 200A continuous current with 1A active balancing across the 4S–8S range (12V–24V) — the ideal foundation for high-draw RV house battery systems, marine battery banks, and backup power installations. With Bluetooth and UART for LCD display monitoring as standard, you always know exactly what your pack is doing.

Compatible chemistries: LiFePO4 / Li-ion / LTO

Key Specifications

Parameter Specification
Model JK-B1A8S20P
Cell Configuration 4S – 8S (12V – 24V)
Continuous Current 200A
Active Balance Current 1A
Standard Communication Bluetooth + UART (LCD display port)
Compatible Chemistry LiFePO4, Li-ion, LTO
Protection Over-charge, Over-discharge, Over-current, Short-circuit, Over/Under-temperature

Who Is This BMS For?

  • 🛶 RV & marine house battery systems (12V–24V, 200A)
  • 🔋 Backup power systems for critical equipment
  • 🔦 Portable power stations and off-grid installations
  • 🏭 OEM manufacturers of 12V–24V 200A lithium battery packs

Compare Versions — Find the Right Fit

Feature Standard (This Model) HC Version HCR Version
Bluetooth ✅ ✅ ✅
UART (LCD port) ✅ ✅ ✅
CAN Bus ❌ ✅ ✅
Heating Film Control ❌ ✅ ✅
RS485 ❌ ❌ ✅
Soft Parallel (PLINK Module) ❌ ✅ ✅
Hard Parallel (Parallel Module) ❌ ❌ ✅
Buzzer Alert ❌ ❌ ✅

📩 Not sure which version fits? Contact us.

Custom Configuration Available

All JKBMS products support feature customization for OEM orders — including communication interfaces, protection thresholds, balance parameters, and hardware configuration. 📩 Contact us to discuss your custom requirements.

OEM / ODM & Bulk Orders

📩 For wholesale pricing, MOQ, and custom configurations, please contact us directly.

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