UPDATED JK BMS Settings – Full Setup & Safe Config Guide

In this video, Ernest from LiFePO4 Oz walks you through the complete setup of the JK BMS (B-Series) for LiFePO₄ battery systems. This guide covers every key parameter, how to adjust it, and why it matters — especially for off-grid and hybrid systems paired with 48V inverters like Deye, Growatt, Victron, and GoodWe. Use the chapters below to jump directly to the setting you need. ⏱ Chapters 0:00 Introduction 2:01 Bluetooth Pairing 4:03 Advanced Settings Password 4:29 Modify Advanced Settings Password 5:28 Cell Count 5:48 Battery Capacity 6:47 Calibrating Voltage 7:05 Calibrating Current 7:26 Start Balance Voltage 8:00 Max Balance Current 8:19 Cell OVP (Over Voltage Protection) 9:11 Vol Cell RCV (Requested Charge Voltage) 10:19 SOC 100% Voltage 10:39 Cell OVPR (OVP Reset) 11:17 Cell UVPR (UVP Reset) 11:26 SOC 0% Voltage 11:53 Cell UVP (Under Voltage Protection) 12:09 Power Off Voltage 12:40 Vol Cell RFV (Float Voltage Reference) 13:02 Smart Sleep Voltage 13:47 Smart Sleep Timer 14:04 Continuous Charge Current 14:29 Charge Over-Current Delay 14:47 Charge OCP Reset Time 15:42 Continuous Discharge Current 16:02 Discharge Over-Current Delay 16:41 Discharge OCP Reset Time 16:50 Discharge OTP (Over-Temp Protection) 17:11 Discharge OTP Reset 17:33 Charge OTP 17:43 Charge OTP Reset 18:34 MOSFET OTP 18:54 MOSFET OTP Reset 19:20 Short-Circuit Delay 19:50 Short-Circuit Reset Time 20:13 Device Address (for parallel BMS systems) 20:41 Data Storage Interval 21:02 RCV Time 21:18 RFV Time 21:42 Emergency Time 22:38 User Private Data 23:08 UART1 Protocol (Inverter Comms) 23:48 UART2 Protocol 23:54 CAN Protocol 24:28 LCD Buzzer Trigger 25:24 LCD Buzzer Value 25:57 LCD Buzzer Release Threshold 26:45 Balance Wire Resistance Calibration 27:20 Control Page (Charge/Discharge Switching, Sleep Mode, Float Mode) Need Help Choosing a System? We specialise in off-grid, hybrid and DIY LiFePO₄ battery systems for: • Sheds & workshops • Tiny homes & cabins • Caravans, campervans & RVs • Boats & remote properties Website: https://lifepo4oz.com Phone: 1300 375 257 Australia-wide shipping