Aoleaby Aoleaby

JK Smart BMS B1A8S10P User Manual

Active Balance Battery Management System

1. Product Overview

The JK Smart BMS B1A8S10P is an advanced active balance battery management system designed to optimize the performance and extend the lifespan of various battery types, including Li-Ion, LiFePO4, and LTO. It features real-time monitoring, active energy transfer equalization, and comprehensive protection functions.

JK Smart BMS B1A8S10P front view

Image: Front view of the JK Smart BMS B1A8S10P, showing the main terminals and QR code for app download.

Applications

This BMS is suitable for a wide range of applications requiring reliable battery management, including:

  • E-bikes and Electric Tricycles
  • Low Speed Quads and Forklifts
  • Cleaning Cars and Tourist Cars
  • Industrial Drones and Scooters
  • RV Energy Storage and Energy Storage Cabinets
  • Power Banks and Power Tools
Various application scenarios for the JK Smart BMS

Image: Visual representation of various applications where the JK Smart BMS can be utilized, such as electric vehicles and energy storage systems.

2. Key Features

  • Active Balance: Real-time active energy transfer equalization with supercapacitor as the medium, ensuring battery consistency and extending lifespan.
  • High Balance Current: Capable of achieving 1A continuous balanced current.
  • Wide Voltage Range: Single cell voltage range 1V~5V, with equalization accuracy of ±5mV.
  • Comprehensive Protection: Protects against over-charge, over-discharge, over-current, short circuit, and low temperature charging cutoff.
  • Mobile App Connectivity: Equipped with mobile phone Bluetooth communication and a dedicated app for real-time battery status monitoring (Android and iOS compatible).
  • Scalability: Supports balanced cascading for up to 24 battery packs.
  • Battery Type Compatibility: Suitable for lithium iron phosphate, ternary lithium, lithium titanate, and other battery types.
Key specifications of the B1A8S10P model

Image: Diagram highlighting key features and specifications of the B1A8S10P model, including balance current, battery strings supported, and charge/discharge current.

Security Protection

The JK Smart BMS incorporates six essential security protections to ensure the safe operation and longevity of your battery system:

  • Overcharge Protection: Prevents over-charging, which can affect battery life.
  • Short Circuit Protection: Automatic protection when a short circuit is detected.
  • Over-discharge Protection: Prevents the battery from running out completely.
  • Over-current Protection: Prevents the current from exceeding the battery's safe range.
  • All-in Protection: Designed to prevent cable drop or poor contact.
  • Over-temperature Protection: Prevents the battery from overheating.
Diagram illustrating six security protection features of the BMS

Image: Visual representation of the six security protection features, showing how the BMS safeguards the battery against various hazards.

3. Package Contents

Upon opening the package, please verify that all the following components are included:

  • 1 x BMS with BT built-in
  • 1 x Temperature sensor (NTC 40cm)
  • 1 x Balance wires (70cm)
  • 1 x Active switch (50cm)
  • 1 x Heating cable (Only for BMS with Heat Function)
  • 1 x Operate manual
Contents of the JK Smart BMS package

Image: A visual breakdown of the package contents, including the BMS unit, wires, switch, temperature sensor, and manual.

4. Setup and Installation

General Connection Guidelines

Connect the balance wires to the corresponding battery cells, ensuring correct polarity and sequence. The main battery positive (B+) and negative (B-) terminals should be connected to the BMS. The active switch is used to activate or deactivate the BMS. Refer to the wiring diagram provided in the included operate manual for detailed connection instructions specific to your battery configuration.

Heating Cable Installation (If applicable)

For BMS models with the heating function, follow these steps:

  1. The green 5PIN cable of the heating cable needs to be linked to the heating pad.
  2. The black and red cables are linked to the smart charger.
  3. After the smart charger links the BMS, it detects the temperature of the battery through the BMS, automatically monitoring the charging status of the battery.

5. Operation Guide

Mobile Application (APP) Usage

The JK Smart BMS features a dedicated mobile application for real-time monitoring and parameter adjustment. The app is available for both Android and iOS operating systems.

  • Monitor Data: View real-time battery data, including voltage, current, temperature, and cell balance status.
  • Modify Parameters: Adjust various BMS settings to suit your specific battery requirements.
  • Control Balance Switch: Remotely control the BMS balance function.

To download the official JK Smart BMS APP, scan the QR code found on the product or visit the following link: http://qr17.cn/BApbC0

Screenshot of the Smart BT APP interface

Image: A visual representation of the Smart BT APP interface, showing real-time battery data monitoring and control options.

Heating Function Operation

The heating function is designed to protect your battery in cold environments:

  • If the battery temperature falls below the low-temperature charge protection threshold (settable within the app), charging will be turned off, and heating will be activated.
  • The heating power depends on the battery voltage and the resistance value of the heating film.
  • The system uses 1 internal and/or 2 external temperature sensors to detect battery temperature.

Parallel Use of BMS

The BMS supports parallel use for increased capacity or power. Refer to the detailed instructions in the included manual for proper configuration when connecting multiple BMS units in parallel.

6. Maintenance

To ensure the longevity and optimal performance of your JK Smart BMS and battery system, consider the following maintenance tips:

  • Regularly monitor battery cell consistency through the mobile application.
  • Ensure all connections are secure and free from corrosion.
  • Keep the BMS unit clean and free from dust or debris.
  • Avoid exposing the BMS to extreme temperatures or moisture beyond its operating specifications.
  • Periodically check for firmware updates through the app to ensure you have the latest features and bug fixes.

7. Troubleshooting

If you encounter issues with your JK Smart BMS, consider the following common troubleshooting steps:

  • No Power/No Indication: Check all power connections (B+, B-, P-). Ensure the active switch is in the ON position.
  • App Connection Issues: Verify Bluetooth is enabled on your mobile device. Ensure the BMS is powered on and within range. Restart the app or your phone.
  • Unbalanced Cells: The active balance feature should address minor imbalances. If significant imbalance persists, check balance wire connections to individual cells.
  • Protection Triggered (Over-voltage, Under-voltage, Over-current): The BMS will cut off power to protect the battery. Check the app for specific fault codes or warnings. Address the root cause (e.g., reduce load, check charger).
  • Heating Function Not Working: Ensure the heating cable is correctly connected to both the heating pad and the smart charger. Verify the low-temperature charge protection setting in the app.

For persistent issues, refer to the detailed troubleshooting section in the full manual or contact customer support.

8. Technical Specifications

The following table provides detailed technical specifications for the JK Smart BMS B1A8S10P and related models:

ItemBD4A17S4PBD4A20S4PBD6A17S6PBD6A20S6PBD6A24S6PBD6A24S8PBD6A20S10PBD6A24S10PB1A8S10PB1A17S12P
Li-Ion String supported7-20S7-24S7-20S7-24S7-24S7-24S7-20S7-24S4S-8S7-24S
LiFePO4 String supported8-17S8-20S8-17S8-20S8-20S8-20S8-17S8-20S4S-8S8-20S
LTO String supported12-17S12-20S12-17S12-20S12-20S12-20S12-17S12-20S6S-8S12-20S
Active balance current0.4A0.4A0.6A0.6A0.6A0.6A0.6A0.6A1A0.6A
Inner resistance of main chip2.8mΩ2.8mΩ1.53mΩ1.53mΩ1.2mΩ1.2mΩ1mΩ1mΩ10mΩ0.65mΩ
Continuous discharge current40A60A60A80A80A100A100A120A100A120A
Continuous charge current40A60A60A80A80A100A100A120A100A120A
Peak discharge current (2X)80A100A150A150A200A200A250A250A200A250A
Over current limit (ADJ)10-40A10-60A10-60A10-80A10-80A10-100A10-100A10-120A10-100A10-120A
Other interface (Default)RS485RS485
Other interface (Customized)CANBUS/HEATCANBUS/HEAT
Overall dimension (L*W*H mm)110*73*18116*83*18133*81*18162*102*20189*94*24
ItemB1A20S12PB1A20S15PB1A24S15PB2A20S20PB2A24S20PBD4A8S4PB1A8S20PB1A8S20PB2A8S20PB5A25S6P
Li-Ion String supported7-20S7-20S7-24S7-20S7-24S3-8S3-8S3-8S8-25S8-25S
LiFePO4 String supported8-20S8-20S8-24S8-20S8-24S4-8S4-8S4-8S8-25S8-25S
LTO String supported12-20S12-20S12-24S12-20S12-24S6-8S6-8S6-8S12-25S12-25S
Active balance current1A1A2A0.4A0.4A1A2A2A5A5A
Inner resistance of main chip0.65mΩ0.65mΩ0.47mΩ0.47mΩ0.47mΩ2.8mΩ0.3mΩ0.3mΩ//
Continuous charge current120A150A200A40A100A20A100A1000A500A500A
Continuous discharge current120A150A200A40A100A20A100A1000A500A500A
MAX discharge current (2X)250A300A350A60A200A350A////
Over current limit (ADJ)10-100A10-150A10-200A10-40A10-100A10-20A10-100A10-1000A10-500A10-500A
Other interface (Default)RS485RS485
Other interface (Customized)CANBUS/HEATCANBUS/HEAT
Overall dimension (L*W*H mm)162*102*20162*102*20110*73*18153*136*18189*94*24
Wiring diagramCommon PortSplit Port
Single cell voltage supported1-5V
Voltage equalization accuracy±5mV
Overcharge protection voltage1.2-4.35V Adjustable
Overcharge release voltage1.2-4.35V Adjustable
Overcurrent release delay time2-120S Adjustable
Over-discharge protection voltage1.2-4.35V Adjustable
Over-discharge release voltage1.2-4.35V Adjustable
Temperature sensor3pcs
Temperature protectionYES
Short circuit protectionYES
CoulometerYES
BluetoothYES
LCD supportedYES
RS485 supportedYES
Detailed product specifications table for various JK Smart BMS models

Image: A comprehensive table detailing the technical specifications for various JK Smart BMS models, including string support, balance current, and protection features.

General Product Specifications

  • Package Dimensions: 1.18 x 0.79 x 0.39 inches
  • Item Weight: 1.76 pounds
  • Manufacturer: Aoleaby
  • Country of Origin: China
  • Item Model Number: Aoleaby (B1A8S10P variant)

9. Warranty and Support

For warranty information and technical support, please refer to the documentation included with your purchase or contact the seller directly. Ensure you have your product model number (B1A8S10P) and purchase details ready when seeking assistance.

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