1. Introducció
This manual provides detailed instructions for the DALY Smart Active Balance Battery Management System (BMS). The DALY BMS is designed for LiFePO4, Li-ion, and LTO battery packs, supporting configurations from 4S to 24S and current ratings from 40A to 500A. It features integrated Bluetooth and WiFi connectivity for smart monitoring and control.
Key features include continuous 1A balancing current, multi-channel communication support, and comprehensive protection mechanisms. Please read this manual thoroughly before installation and operation to ensure safe and efficient use of your BMS.
2. Informació de seguretat
- Always ensure all connections are correct and secure before powering on the BMS. Incorrect wiring can lead to damage to the BMS, battery, or other components.
- Wear appropriate personal protective equipment (PPE) when working with batteries and electrical systems.
- Avoid short circuits. Handle battery terminals and BMS connections with care.
- Do not expose the BMS to water, excessive heat, or corrosive environments.
- Ensure proper ventilation around the battery system and BMS.
- If the BMS is dormant, activate it using one of the methods described in this manual before use.
- Refer to the specific wiring diagrams for your battery configuration (4-8S, 8-17S, 8-24S) to ensure correct installation.
3. Contingut del paquet
Verifiqueu que tots els elements que s'enumeren a continuació s'inclouen al vostre paquet:
Visual representation of the items included in the DALY Smart Active Balance BMS package.
- Smart Active Balance BMS (with built-in Bluetooth) x 1
- P- & B- Cables (10cm) x 2
- Cargols M6 x 2
- Sampling Cable (45cm) x 1
- B+ Cable (45cm) x 1
- NTC Cable (25cm) x 1
- User Manual Card x 1
- Caixa d'embalatge x 1
- WiFi Module x 1 (Standard for BT+WiFi BMS version)
4. Especificacions
The DALY Smart Active Balance BMS offers a range of configurations and features. Below are the general specifications and physical dimensions.
Detailed product parameters and physical dimensions for various BMS models.
| Característica | Especificació |
|---|---|
| Substància química molt preocupant | Cap |
| Corrent de càrrega | 40A-500A (Model dependent) |
| Escenari d'ús | Power BMS, Energy Storage BMS |
| Certificació | CE, RoHS |
| Funció d'equilibri | Active Balanced BMS (Continuous 1A) |
| Hardware or Smart | SMART BMS |
| Charge and Discharge Port | Common Port BMS |
| Tipus | LiFePO4 Battery BMS, Li-ion, LTO |
| Funció | Overcharge Protection, Over Discharge Protection, Overcurrent Protection, Short Circuit Protection |
| Cèl·lula sampling voltage gamma | 1.5V-4.9V |
| Vol. Operatiutage gamma | >10V |
| Consum de potència de treball | 1.25W |
| Corrent de son | <0.025 mA |
| Temperatura de treball | -40°C-85°C |
| Quantity of Temperature Detection | 4 |
| Protecció de temperatura | Sí |
| Protecció contra curtcircuits | Sí |
| Comptador de Coulomb | Sí |
| Llum indicadora | Green: works properly, Red: alarm or protection |
| Support communication port | UART |
| Customizable communication port | CAN/485 |
The BMS automatically identifies battery configurations from 4-8S, 8-17S, and 8-24S, supporting 12V-72V lithium battery needs.
The BMS supports automatic identification of 4-24S battery configurations.
5. Configuració i instal·lació
5.1. Esquemes de cablejat
Proper wiring is crucial for the safe and correct operation of the BMS. Refer to the specific diagrams below for your battery series configuration. Ensure all sampling cables are correctly welded to the battery pack and any excess cables are sealed with insulation tape.
5.1.1. Wiring Diagram (4-8S)
Detailed wiring diagram for 4S, 5S, 6S, 7S, and 8S battery configurations. Follow the instructions for connecting B-, B+, and sampling cables.
5.1.2. Wiring Diagram (8-17S)
Detailed wiring diagram for 10S, 12S, 13S, 14S, 15S, 16S, and 17S battery configurations. Follow the instructions for connecting B-, B+, and sampling cables.
5.1.3. Wiring Diagram (8-24S)
Detailed wiring diagram for 20S, 21S, and 24S battery configurations. Follow the instructions for connecting B-, B+, and sampling cables.
5.2. Interface Ports and Accessories
The BMS supports various communication interfaces and accessories for enhanced functionality.
Diagram showing multi-channel communication options and pinout definitions for NTC, DIO/CHG/DISCHG, KEY, UART, and CAN/485 interfaces.
- The BMS has built-in Bluetooth functionality.
- The WiFi module connects to the UART port for wireless communication.
- The NTC cable must be connected to the NTC-A port for normal BMS operation and temperature detection.
- Optional accessories like UART cable, RS485 cable, CAN BUS, LCD displays (3.0 inch, 4.3 inch), Heating Module, Inverter connection line, Buzzer, Key Switch Button, Parallel interface board, Parallel Module, and SOC Board can be connected as needed.
Various accessories available for the DALY Smart Active Balance BMS.
5.3. BMS & RS485 LCD Display Connection
For connecting to an RS485 LCD display, follow the diagram below. Multiple BMS units can be connected to a single display.
Diagram illustrating how to connect multiple BMS units to an RS485 4.3 inch LCD display.
5.4. Activating the BMS
The BMS is automatically activated upon first use. If the BMS enters a dormant state, it can be reactivated using one of the following methods:
Visual guide for activating the BMS.
- Use the key switch.
- Press buttons on the WiFi module or SOC indicator.
- Use CAN/RS485 communication or connect via Bluetooth to the Mobile APP.
- Charge or discharge the battery.
Important: Before activating the BMS, ensure the BMS, cables, battery, and NTC are all connected correctly.
6. Funcionament
6.1. Mobile APP and PC Host Communication
The DALY Smart Active Balance BMS supports remote monitoring and control via a mobile application and PC host software.
Diagram illustrating the data flow for remote monitoring via WiFi module, router, cloud server, and mobile app/PC manager.
Video demonstrating the setup and data flow of the WiFi module for remote battery monitoring.
- APP mòbil: Cerca "Balance BMS" on iOS App Store or Google Play Store to download and install. The smart active balance BMS has integrated Bluetooth for automatic connection to the app. The app supports 7 languages.
- PC Host: Connect the BMS to a PC host via a communication wire (UART/RS485/CAN). The PC host software allows you to review and change multiple protection values (overcharge, over-discharge, overcurrent, temperature, balancing current), set up Key button, Heating Module, and Buzzer functions, upgrade firmware (SW), and store real-time BMS data locally.
- IoT Cloud: The WiFi module enables data transmission through the internet to a cloud server, allowing remote monitoring of your lithium battery via the Cloud Manager (databms.com) or the mobile app.
Acabatview of PC Host Communication capabilities for the DALY Smart Active Balance BMS.
6.2. Inverter Compatibility
The DALY Smart Active Balance BMS is compatible with various mainstream inverter brands. It supports multi-BMS parallel connection to inverters or single pack connection via an inverter cable.
Table detailing RS485 and CAN support for various inverter brands.
Logos of various inverter brands compatible with the DALY Smart Active Balance BMS.
7. Key Features and Protection
7.1. Quadruple Extra Protection
The BMS incorporates advanced protection features to ensure the safety and longevity of your battery system.
Visual representation of Parallel protection, Pre-charge protection, Misconnection protection, and All-in protection.
- Parallel Protection: Safeguards against issues in parallel battery configurations.
- Pre-charge Protection: Prevents damage during initial charging by controlling current flow.
- Misconnection Protection: Protects against incorrect wiring during installation.
- All-in Protection: Comprehensive protection covering various fault conditions.
7.2. Advanced Design for Performance and Longevity
The DALY BMS is engineered with features that contribute to lower temperature rise and extended product life.
Illustrations of the patented thick copper PCB board and upgraded MOS package.
- Patented High Current Thick Copper PCB Board: Features excellent conductive properties, enabling the BMS to easily handle large currents with professional thermal management.
- MOS Package Upgrade: Utilizes ultra-low internal resistance and efficient overcurrent handling, resulting in continuous overcurrent capability and lower temperature rise.
Graph comparing temperature rise of 100Balance BMS versus ordinary BMS, and an image showing the advanced thermal design process.
The advanced thermal design process, combined with low internal resistance components, ensures excellent over-current performance and a slower temperature rise compared to ordinary BMS units, contributing to a longer operational life.
8. Consells d'usuari
- Always double-check all wiring connections, especially the sampling cables, before applying power to prevent damage.
- Utilize the mobile app for convenient remote monitoring and parameter adjustments.
- For optimal performance and longevity, ensure the BMS is installed in a well-ventilated area.
- If you encounter any issues, first verify all connections and activation status before proceeding to advanced troubleshooting.
9. Solució De Problemes
This section provides general troubleshooting steps for common issues. For more detailed diagnostics, refer to the official website's support resources.
- BMS Not Activating: Ensure all cables (BMS, battery, NTC) are correctly connected. Try activating using the key switch, WiFi module button, or by charging/discharging the battery.
- No Data on APP/PC Host: Verify the WiFi module is correctly connected to the UART port and has network access. Check Bluetooth connection for the mobile app. Ensure the PC host communication wire is properly connected.
- Indicator Light Red/Alarm: This indicates a protection event (e.g., overcharge, over-discharge, overcurrent, short circuit). Check battery voltage, current draw, and temperature. Address the underlying cause of the protection event.
- Inverter Communication Issues: Confirm the inverter cable is correctly connected and the inverter brand is listed as compatible. Check RS485/CAN settings on both the BMS and inverter.
10. Garantia i Suport
The product is guaranteed for free within one year from the date of purchase under normal use. For warranty claims, the customer is responsible for shipping costs back to the service center.
For further support, including software drivers, detailed user manuals, APP & PC Host operation guides, and product specifications, please visit the official weblloc www.bbalancebms.com and navigate to the "service" section.
Product data descriptions and statistical data in our store are derived from the company's internal test measurement results or reports and are for reference only. The actual situation shall prevail.
11. Preguntes freqüents (FAQ)
- Q: What battery types are supported?
- A: The DALY Smart Active Balance BMS supports LiFePO4, Li-ion, and LTO battery types.
- Q: How do I connect the WiFi module?
- A: The WiFi module connects to the UART port on the BMS. Once connected, it transmits data through your router to a cloud server for remote monitoring.
- Q: Can I monitor multiple BMS units?
- A: Yes, the system supports multi-BMS parallel connection to inverters and can display data from multiple BMS units on an RS485 LCD display or through the cloud manager.
- Q: What is the continuous balancing current?
- A: The BMS features a continuous balancing current of 1A.
