• JKBMS JK-B2A8S20P 200A Smart BMS - Product Overview
  • JKBMS JK-B2A8S20P Dimensions & Parameter Chart
  • JKBMS JK-B2A8S20P Wiring Diagram & Port Description
  • JKBMS JK-B2A8S20P APP Interface & Bluetooth Monitoring
  • JKBMS JK-B2A8S20P Active Balancing Effect Comparison
  • JKBMS JK-B2A8S20P Features & Function Description
  • JKBMS JK-B2A8S30P-HCRPB Working Diagram & System Integration
  • JKBMS JK-B2A8S20P Packaging & Accessories
  • JKBMS JK-B2A8S20P Application Scenarios
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JKBMS

JKBMS JK-B2A8S20P | 200A Smart BMS for RV & Backup Power | 3S-8S LiFePO4 Li-ion | 2A Active Balance

JKBMS JK-B2A8S20P | 200A Smart BMS for RV & Backup Power | 3S-8S LiFePO4 Li-ion | 2A Active Balance

$65.68 USD
$179.68 USD $65.68 USD
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Size

High-Current Reliability with Superior Balancing — JKBMS JK-B2A8S20P 200A Smart BMS for 3S–8S

The JK-B2A8S20P delivers 200A continuous current with 2A active balancing — ideal for high-draw RV house battery systems, marine battery banks, and backup power installations.

Compatible chemistries: LiFePO4 / Li-ion / LTO

Key Specifications

Parameter Specification
Model JK-B2A8S20P
Cell Configuration 3S–8S (LiFePO4 / Li-ion) · 7S–8S (LTO)
Continuous Current 200A
Active Balance Current 2A
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

Note: LTO cells require a minimum of 7S configuration.

Who Is This BMS For?

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

Compare Versions — Find the Right Fit

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

Contact Us

Have questions, need a custom configuration, or interested in OEM / ODM & bulk orders? Our team is ready to help!

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  • 5 stars: 1 (50%)
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H
Harry

The BMS works well but it doesn’t have the connection for the start button. Do I it’s the port for the temp probes? Some pics of this BMS show a separate designated port for the button connection .

W
Wolfgang

Sehr gutes BMS, macht was es soll. Nur die Verbindung via bluetooth k?nnte besser sein