1. Киришүү
The DALY 24V 8S 150A Smart Battery Management System (BMS) with 1A Active Balancer is designed to provide comprehensive protection and efficient management for 8-series 24-volt LiFePO4 battery packs. This system ensures the longevity and optimal performance of your battery by monitoring and controlling various parameters. It is suitable for applications such as mobility scooters, electric wheelchairs, RVs, marine setups, and other portable power solutions.
Key features include low voltage cutoff, high voltage cutoff, short circuit protection, and temperature protection. The integrated Bluetooth/Wi-Fi module allows for convenient local and remote monitoring via a dedicated mobile application, providing real-time system alerts and customizable parameters.

Image 1.1: DALY 24V 8S 150A Smart BMS and 1A Active Balancer components.
2. Коопсуздук маалыматы
Сураныч, орнотуу жана иштетүү алдында бардык коопсуздук нускамаларын кылдаттык менен окуп чыгыңыз. Бул нускамаларды аткарбоо электр шокуна, өрткө же олуттуу жаракатка алып келиши мүмкүн.
- Кесиптик орнотуу сунушталат: Installation should be performed by qualified personnel with knowledge of electrical systems and battery safety.
- Коргоочу шаймандарды кийүү: Always wear insulated gloves and eye protection when working with batteries and electrical components.
- Кубатты өчүрүү: Ensure all power sources are disconnected before installing or servicing the BMS.
- Туура полярдуулук: Verify correct polarity of all connections (positive to positive, negative to negative) to prevent damage to the BMS and battery pack.
- Кыска туташуулардан качыңыз: Do not allow tools or metal objects to bridge battery terminals or BMS connections.
- Вентиляция: Ensure adequate ventilation around the battery pack and BMS to prevent heat buildup.
- Температуранын чектери: Operate the BMS and battery within specified temperature ranges.
- Өзгөчө кырдаалдар тартиби: Familiarize yourself with emergency shutdown procedures for your battery system.

Image 2.1: DALY BMS provides 5 safety protections: Overcharging, Overdischarging, Overcurrent, Short Circuit, and Extreme Temperature protection.
3. Пакеттин мазмуну
Төмөндө тизмеленген нерселердин баары пакетиңизге камтылганын текшериңиз:
- 8S 24V 150 Amps Smart BMS ×1
- 1A 8S Smart Active Balancer ×1
- B-P-Output line ×1
- 2-in-1 BT/WiFi dongle ×1
- Sampling cable ×1
- NTC (Temperature Sensor) ×1
- Пайдалануу боюнча колдонмо × 1
- Screws (for mounting)
- CAN/485 5pin cable (if applicable to your model)

Image 3.1: Illustrated packing list for the DALY BMS system.
4. Орнотуу жана орнотуу
Follow these steps for proper installation of your DALY Smart BMS and Active Balancer:
- Prepare the Battery Pack: Ensure your 8S LiFePO4 battery pack is assembled and all cells are at a similar state of charge.
- S туташтырууampling Cable: Carefully connect the multi-pin sampling cable to the BMS. Ensure the first wire (B0) is connected to the negative terminal of the first cell, and subsequent wires are connected to the positive terminals of each cell in series (B1, B2, ..., B8). The last wire (B8) connects to the positive terminal of the last cell.
- Connect the Active Balancer: Connect the 1A Active Balancer to the designated port on the Smart BMS.
- Connect the B-P-Output Line: Connect the B- wire from the BMS to the main negative terminal of the battery pack. Connect the P- wire from the BMS to the negative terminal of your load/charger.
- Connect the NTC (Temperature Sensor): Attach the NTC sensor to a central cell or a location that accurately reflects the battery pack's temperature. Connect the NTC cable to the BMS.
- Connect the Bluetooth/Wi-Fi Dongle: Plug the 2-in-1 BT/WiFi dongle into the communication port on the BMS.
- Акыркы текшерүү: Double-check all connections for correctness and security before applying power.
Маанилүү: Using a mismatched BMS (e.g., incorrect voltage or current rating for your battery pack) can severely damage your battery and potentially cause hazards. Refer to the specifications and consult the manufacturer if unsure about compatibility.

Сүрөт 4.1: Мисample of a DALY BMS connected to a battery pack, demonstrating support for multiple parallel systems to increase capacity.
5. Иштөө нускамалары
5.1. Smart BMS Mobile Application
The DALY Smart BMS can be monitored and configured via a mobile application using the included 2-in-1 Bluetooth/Wi-Fi dongle.
- Колдонмону жүктөп алыңыз: Издөө the 'Smart BMS' app on your smartphone's app store (iOS or Android).
- Connect via Bluetooth/Wi-Fi: Ensure the dongle is connected to the BMS. Open the app and follow the on-screen instructions to connect to your BMS via Bluetooth for local monitoring or Wi-Fi for remote access.
- Монитор параметрлери: The app displays real-time data such as battery voltagд, учурдагы, жеке клетка томtages, temperature, state of charge (SOC), and protection status.
- Орнотууларды ыңгайлаштыруу: Access advanced settings to adjust protection parameters, balancing thresholds, and other operational characteristics.
- Эскертмелерди алуу: The app provides real-time alerts for any abnormal conditions detected by the BMS.

Image 5.1: The Smart BMS mobile application displaying real-time battery monitoring data and connection status.
5.2. Active Cell Balancing
The 1A Smart Active Balancer works in conjunction with the BMS to ensure all cells in your battery pack maintain a balanced voltage. This process is crucial for maximizing battery capacity, extending lifespan, and preventing damage from overcharging or over-discharging individual cells.
- The active balancer automatically detects voltage differences between cells.
- It transfers energy from higher-voltage cells to lower-voltage cells, achieving faster and more efficient balancing compared to passive balancing.
- This process generates less heat and improves overall energy efficiency of the battery system.

Image 5.2: Active cell balancing process, managed through a single application for simplified control.
5.3. Parallel System Support
The DALY Smart BMS features a built-in current limiting module that supports multiple parallel battery systems. This allows you to easily scale up your battery capacity and runtime by connecting additional battery packs equipped with DALY BMS units.
- Connect multiple battery packs in parallel according to your system design.
- The BMS manages the current flow and protection across the entire parallel system.
6. Техникалык тейлөө
To ensure optimal performance and longevity of your DALY Smart BMS and battery pack, follow these maintenance guidelines:
- Үзгүлтүксүз текшерүү: Periodically inspect all wiring and connections for signs of wear, corrosion, or looseness. Tighten any loose connections.
- Тазалык: Keep the BMS and battery pack clean and free from dust, dirt, and moisture. Use a dry, soft cloth for cleaning.
- Экологиялык шарттар: Ensure the BMS and battery are operated within their specified temperature and humidity ranges. Avoid extreme heat, cold, or direct sunlight.
- Программалык камсыздоо жаңыртуулары: Check for and install any available firmware or app updates for your Smart BMS to ensure you have the latest features and bug fixes.
- Батареянын ден соолугун көзөмөлдөө: Regularly check battery health parameters via the mobile app. Address any persistent warnings or abnormal readings promptly.
7. Кыйынчылыктарды
This section addresses common issues you might encounter with your DALY Smart BMS.
7.1. BMS Not Powering On / No Output
- Check Main Connections: Verify that the B- and P- wires are correctly and securely connected.
- S текшерүүampling Cable: s камсыз кылууampling cable is fully inserted and all individual cell wires are correctly connected to their respective cell terminals. A loose or incorrect connection can prevent the BMS from operating.
- Батарея Voltage: Confirm that the overall battery pack voltage is within the operational range of the BMS.
7.2. App Connection Issues (Bluetooth/Wi-Fi)
- Dongle туташуу: Ensure the 2-in-1 BT/WiFi dongle is securely plugged into the BMS communication port.
- Power Cycle: Try power cycling the BMS (disconnect and reconnect the main battery power) and restart the app.
- Түзмөктүн жакындыгы: For Bluetooth, ensure your smartphone is close to the BMS. For Wi-Fi, verify network connectivity.
- Колдонмо уруксаттары: Check if the app has necessary Bluetooth/Wi-Fi and location permissions on your smartphone.
7.3. Cell Imbalance
- Active Balancer Connection: Verify the 1A Active Balancer is correctly connected to the BMS.
- Иштөө шарттары: Active balancing works best when the battery is at rest or during charging/discharging cycles. Allow sufficient time for the balancer to work.
- Cell Health: Significant and persistent imbalance might indicate a weak or damaged cell in the battery pack.
7.4. BMS Protection Triggered
If the BMS triggers a protection (e.g., over-voltage, томдун астындаtage, over-current, over-temperature), it will typically cut off power. Check the app for specific fault codes or alerts.
- Көлөмүtage/Under-томtage: Текшерүү жеке клетка томtages. Ensure your charger is appropriate for LiFePO4 batteries.
- Ашыкча ток: Reduce the load or charging current. Ensure the BMS current rating matches your application.
- Ашыкча температура: Ensure adequate ventilation. Reduce load if operating in high ambient temperatures.

Image 7.1: Guide on selecting the appropriate BMS for your battery pack, addressing common questions about cell type, amperage, monitoring, and battery lifespan.
8. Техникалык шарттар
| Өзгөчөлүк | Спецификация |
|---|---|
| Модел | 150A+WIFI+1A Balancer |
| Батарея түрү | LiFePO4 |
| Сериялык конфигурация | 8S (8 Series) |
| Номиналдуу томtage | 24 вольт |
| Үзгүлтүксүз разряд агымы | 150 Amps |
| Активдүү баланстоочу ток | 1 Amp |
| Байланыш | Bluetooth, Wi-Fi (via 2-in-1 dongle), RS485, CAN |
| Коргоо өзгөчөлүктөрү | Overcharge, Over-discharge, Overcurrent, Short Circuit, Temperature |
| Продукциянын өлчөмдөрү (L x W x Y) | 5.12 x 3.54 x 1.06 дюйм |
| Элемент Салмагы | 1 фунт |
| Өндүрүүчү | Dongguan Daly Electronics Co., Ltd. |
| Сертификаттар | ISO/FCC/RoHS/PSE/CE approved |

Image 8.1: Detailed technical specifications for various DALY BMS models, including protection values and balancing functions.
9. Кепилдик маалыматы
The DALY 24V 8S 150A Smart BMS with 1A Active Balancer comes with a 5 жылдык кепилдик сатып алынган күндөн тартып. Бул кепилдик нормалдуу колдонуудагы материалдардагы жана жасалгадагы кемчиликтерди камтыйт. Кепилдик дооматтары үчүн сатып алганыңыздын далилин сактап коюңуз.
Кепилдик төмөндөгүлөр келтирилген зыянды камтыбайт:
- Туура эмес орнотуу же зымдар.
- Туура эмес пайдалануу, кыянаттык менен пайдалануу же көңүл бурбоо.
- Уруксатсыз өзгөртүүлөр же оңдоолор.
- Operation outside of specified environmental conditions.
- Natural disasters or external forces.

Image 9.1: DALY BMS product with an indication of a 5-year extended warranty.
10. Колдоо
For technical assistance, warranty claims, or any questions regarding your DALY Smart BMS, please contact the seller or manufacturer directly. Refer to your purchase documentation for specific contact details.
You can also visit the official DALY BMS store on Amazon for additional product information and resources: DALY BMS Store





