KACOME SP24S004

KACOME SP24S004 Battery Equalizer BMS User Manual

Model: SP24S004

Introduction

This manual provides essential information for the safe and effective use of the KACOME SP24S004 Battery Equalizer BMS. Please read these instructions carefully before installation and operation to ensure optimal performance and longevity of your battery system.

Safety Information

Always adhere to the following safety guidelines to prevent injury or damage to the device and battery pack:

Ensure all connections are correct and secure before applying power. Incorrect wiring can cause damage.
Do not attempt to disassemble or modify the BMS. Refer all servicing to qualified personnel.
Operate the BMS within its specified voltage and current limits.
Keep the device away from water, moisture, and extreme temperatures.
Wear appropriate personal protective equipment (PPE) when working with batteries.

Product Overview

The KACOME SP24S004 is a Battery Management System (BMS) designed for Li-ion and LiFePO4 battery packs, offering protection and balancing functions.

Key Features

Stability: Designed for long-term stable operation.
Robust Design: Easy to maintain and durable construction.
Easy Installation: Simple operation for straightforward setup.
Wide Application: Suitable for various industrial environments.
Extended Service Life: Proper use contributes to product longevity.
Six-fold Protection: Includes multiple layers of battery protection.
Idle Balancing: Efficient battery cell balancing.
History Storage: Supports data logging for performance analysis.
Pre-discharge Function: Ensures safe initial connection.

Specifications

Parameter	Value
Model	SP24S004
Applicable Battery Type	3.7V Li-ion / 3.2V LiFePO4
Battery String Number	8S to 24S
Continuous Current Options	40A, 60A, 100A, 150A, 200A
Voltage Range	24V, 36V, 48V, 60V, 72V, 84V
Temperature Sensors	1 internal, 4 external
Balancing Mode	Idle balancing
Balancing Current	20-110mA
Dimensions	170 x 100 x 13 ±1mm
Communication Interface	UART, RS485, CAN (for 200A variant)

Product Images

KACOME SP24S004 BMS showing main board with 200A UART RS485 CAN label — Image 1: Front view of the KACOME SP24S004 BMS, highlighting the 200A UART RS485 CAN communication capabilities. This image displays the overall layout of the circuit board.

KACOME SP24S004 BMS with specifications overlay — Image 2: The KACOME SP24S004 BMS with an overlay indicating key specifications such as model number (SP24S004), supported battery strings (8-24S), current range (40-200A), and compatible battery types (Li-ion/LiFePO4). The physical dimensions are also noted as 170*100*12mm.

Setup and Installation

Follow these steps for proper installation of the SP24S004 BMS:

Prepare the Battery Pack: Ensure your battery pack is assembled correctly with the desired number of series cells (8S-24S) and that all cells are balanced to a similar voltage before connecting the BMS.
Connect B- Wire: Connect the thick negative wire from the battery pack (B-) to the B- terminal on the BMS. Ensure a secure, low-resistance connection.
Connect Balance Wires: Connect the balance wires from your battery pack to the corresponding balance ports on the BMS. Start from the lowest cell voltage (B1) and proceed upwards (B2, B3, ..., B24). Double-check the order and polarity of each balance wire.
Connect C- Wire (Load/Charge Negative): Connect the negative terminal for your load and charger (C-) to the C- terminal on the BMS.
Connect P- Wire (Optional, for specific configurations): If your setup requires a separate discharge negative, connect it to the P- terminal. Otherwise, C- typically serves both charge and discharge.
Connect Positive (B+): Connect the main positive wire from the battery pack (B+) directly to the positive terminal of your load and charger. The BMS typically manages the negative side.
Connect Temperature Sensors: Attach the external temperature sensors to the battery cells or pack as required for monitoring.
Verify Connections: Before applying power, carefully review all wiring connections to ensure they match the wiring diagram for your specific battery configuration. Incorrect wiring can lead to irreversible damage.
Initial Power-Up: Once all connections are verified, apply power to the system. Monitor the BMS for proper operation and initial balancing activity.

Note: Refer to the specific wiring diagram provided with your BMS for detailed connection points, as configurations may vary slightly based on current rating and communication options.

Operating Instructions

The SP24S004 BMS operates largely autonomously once correctly installed. Key operational aspects include:

Automatic Balancing: The BMS will automatically engage idle balancing to equalize cell voltages when the battery pack is not under heavy charge or discharge.
Protection Functions: The BMS continuously monitors cell voltage, current, and temperature to provide protection against overcharge, over-discharge, overcurrent, and short circuits. In case of a protection event, the BMS will disconnect the load or charger.
Communication (UART/RS485/CAN): For models equipped with communication interfaces, connect to a compatible display or computer software to monitor real-time battery data, adjust parameters, and view historical data. Refer to the communication protocol documentation for detailed instructions.
Pre-discharge: The pre-discharge function helps to safely charge capacitors in connected devices, preventing large inrush currents upon initial connection.

Maintenance

Minimal maintenance is required for the SP24S004 BMS to ensure its long-term performance:

Regular Inspection: Periodically inspect all wiring connections for tightness and signs of corrosion or damage.
Cleanliness: Keep the BMS clean and free from dust and debris. Use a soft, dry cloth for cleaning. Do not use liquid cleaners.
Environmental Conditions: Ensure the BMS operates within its specified temperature and humidity ranges. Avoid exposing it to direct sunlight or excessive heat.
Firmware Updates: If available, periodically check for firmware updates from the manufacturer to improve performance or add new features.

Troubleshooting

If you encounter issues with your SP24S004 BMS, refer to the following common problems and solutions:

Problem	Possible Cause	Solution
BMS not powering on / No output	Incorrect wiring, low battery voltage, BMS in protection mode.	Verify all wiring connections. Check individual cell voltages. If in protection, remove load/charger and allow BMS to reset or manually reset if applicable.
Battery cells unbalanced	Initial cell voltage difference, prolonged heavy use without balancing time.	Ensure the battery pack is allowed sufficient idle time for the BMS to perform balancing. Check balance wire connections.
Overcurrent protection trips frequently	Load current exceeds BMS rating, short circuit.	Reduce load, ensure load current is within the BMS's continuous current rating. Check for short circuits in the system.
Overvoltage/Undervoltage protection trips	Charger voltage too high/low, faulty cell, incorrect BMS settings.	Verify charger voltage. Check individual cell voltages for anomalies. If programmable, verify BMS voltage settings.
Communication issues (UART/RS485/CAN)	Incorrect wiring, driver issues, incompatible software.	Check communication cable connections. Ensure correct drivers are installed. Use compatible software and verify baud rates/addresses.

If the problem persists, contact customer support for further assistance.

Warranty and Support

KACOME products are designed for reliability and performance. For warranty information and technical support, please refer to the documentation provided at the time of purchase or visit the official KACOME website. Ensure you have your product model number (SP24S004) and purchase details ready when contacting support.

Contact Information: Please refer to your purchase invoice or the manufacturer's website for the most up-to-date contact details for customer service and technical support.