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JKBMS

JKBMS JK-B2A8S30P | 300A Smart BMS for High-Current RV & Backup Power | 3S-8S LiFePO4 Li-ion | 2A Active Balance

JKBMS JK-B2A8S30P | 300A Smart BMS for High-Current RV & Backup Power | 3S-8S LiFePO4 Li-ion | 2A Active Balance

Regular price $79.68 USD
Regular price $237.68 USD Sale price $79.68 USD
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Maximum Current for High-Demand Systems — JKBMS JK-B2A8S30P 300A Smart BMS for 3S–8S

The JK-B2A8S30P delivers 300A continuous current with 2A active balancing — built for high-demand RV house battery systems, large marine battery banks, and heavy-duty backup power installations.

Compatible chemistries: LiFePO4 / Li-ion / LTO


Key Specifications

Parameter Specification
Model JK-B2A8S30P
Cell Configuration 3S–8S (LiFePO4 / Li-ion) · 7S–8S (LTO)
Continuous Current 300A
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?

  • 🛥 High-current RV & marine house battery systems (300A)
  • 🔋 Heavy-duty backup power systems for critical equipment
  • 🔦 Large off-grid power installations
  • 🏭 OEM manufacturers of 300A 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)
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