1. Pengenalan dan Lebihview
The EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station with 2x400W Solar Panels is a versatile power solution designed for reliable energy supply in various scenarios, including home backup, outdoor activities, and off-grid living. This system features a 3072Wh LiFePO4 battery, capable of delivering 3600W of continuous power with a 7200W surge capacity. Its modular design allows for expandable capacity from 3kWh up to 11kWh, adapting to diverse power requirements.
The power station is engineered for durability and longevity, utilizing an advanced LiFePO4 battery and an EV-grade cell-to-chassis (CTC) structure, ensuring a 10-year lifespan under daily use. It incorporates a 24/7 smart battery management system (BMS) for protection against extreme temperatures and heavy loads. The system also offers multiple charging options and a rapid <10ms Uninterruptible Power Supply (UPS) feature for seamless power transfer during outages.

Imej 1.1: The DELTA 3 Ultra Plus providing stable power to household appliances, demonstrating its 3600W output and 7200W surge capability.

Imej 1.2: Berakhirview of the six versatile charging methods available for the DELTA 3 Ultra Plus, highlighting its rapid charging capabilities.
2. Apa yang Termasuk
Pakej anda termasuk komponen berikut:
- 1 x EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station
- 2 x EF ECOFLOW 400W Portable Solar Panels
- Kabel pengecas yang diperlukan (kabel pengecas AC, kabel pengecas kereta, kabel pengecas solar)
- Manual Pengguna dan Kad Waranti
Please inspect all items upon receipt to ensure they are present and undamaged. If any items are missing or damaged, contact customer support immediately.
3. Persediaan
3.1 Caj Permulaan
Before first use, fully charge the DELTA 3 Ultra Plus. Connect the AC charging cable to a standard wall outlet. The display will show the charging progress. A full charge from 0% to 80% typically takes under an hour using X-Stream fast charging.
3.2 Sambungan Panel Suria
To connect the 400W solar panels:
- Unfold the solar panels and position them in direct sunlight for optimal charging.
- Connect the solar charging cable to the solar input port on the DELTA 3 Ultra Plus.
- Connect the other end of the solar charging cable to the solar panels. Ensure a secure connection.
The power station's display will indicate solar input wattage. For maximum efficiency, adjust the panel angle throughout the day to follow the sun.

Imej 3.1: Connecting the solar panel to the DELTA 3 Ultra Plus for solar charging, illustrating an outdoor setup.
3.3 Home Connection Options
The DELTA 3 Ultra Plus offers two primary methods for home integration:
- Manual Transfer Switch: Allows seamless switching between grid power and the DELTA 3 Ultra Plus to meet diverse energy needs.
- Inlet Box: Connect the built-in AC socket with an Inlet Box to power your home appliances directly.

Imej 3.2: Visual representation of connecting the power station to a home using either a manual transfer switch or an inlet box.
4. Arahan Operasi
4.1 Menghidupkan/Mematikan
Press and hold the main power button for 3 seconds to turn the unit on or off. The LCD screen will illuminate, displaying battery status and output information.
4.2 Output AC
Untuk menggunakan saluran keluar AC:
- Ensure the DELTA 3 Ultra Plus is powered on.
- Press the AC ON/OFF button to activate the AC output. The AC indicator on the screen will light up.
- Plug your devices into the available AC outlets. The unit provides 4 x 120V, 20A AC outputs and 1 x TT-30 RV Port (120V, 30A).
- To turn off AC output, press the AC ON/OFF button again.

Imej 4.1: Front panel of the DELTA 3 Ultra Plus, detailing the various output ports including AC, USB-A, and USB-C.
4.3 DC and USB Output
To use DC or USB ports:
- Ensure the DELTA 3 Ultra Plus is powered on.
- Press the DC ON/OFF button (if applicable) to activate DC output.
- Plug your devices into the USB-A (18W), USB-C (140W, 45W), or 12V cigarette lighter port.
- To turn off DC/USB output, press the corresponding ON/OFF button.
Video 4.2: Official product video from EcoFlow Inc. demonstrating the DELTA 3 Ultra Plus in various usage scenarios, including powering home appliances and charging devices. This video highlights the product's versatility and ease of use.
4.4 Ciri Aplikasi Pintar
The EcoFlow app provides enhanced control and monitoring capabilities:
- Smart Remote Switching: Reduce waste and increase runtime for essential devices by remotely managing power output.
- Smart Power Reserve: Set a desired battery threshold to automatically shed non-essential loads during outages.
- Mod AI: Optimize charging during low-cost periods and use during peak times to save on electricity bills.
- Berkuasa Sendiri: Store solar energy to reduce grid dependency and lower electricity costs.
- Deeper Insights: Monitor energy usage, savings, and solar generation with an intuitive dashboard, tracking battery status, real-time electricity rates, and financial savings.

Imej 4.3: The EcoFlow app interface demonstrating smart remote switching and power reserve functionalities for optimized energy management.
5. Penyelenggaraan
5.1 Penjagaan Am
- Keep the power station and solar panels clean and dry. Use a soft, dry cloth for cleaning.
- Avoid exposing the unit to extreme temperatures or direct sunlight for prolonged periods when not in use.
- Ensure proper ventilation around the unit during operation and charging.
5.2 Ketahanan Bateri
The DELTA 3 Ultra Plus is designed for 10 years of daily use thanks to its LiFePO4 battery. To maximize battery lifespan:
- Simpan unit di tempat yang sejuk dan kering apabila tidak digunakan.
- For long-term storage, maintain a charge level between 30% and 80%.
- Elakkan menyahcas sepenuhnya bateri dengan kerap.

Imej 5.1: The advanced Smart Battery Management System (BMS) ensures 24/7 protection and extends battery life by monitoring various parameters.
6. Penyelesaian masalah
If you encounter issues with your DELTA 3 Ultra Plus, refer to the following common problems and solutions:
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Unit tidak dihidupkan | Bateri lemah, butang kuasa tidak ditekan dengan betul | Charge the unit. Press and hold the power button for 3 seconds. |
| Output AC tidak berfungsi | AC output not activated, overload, low battery | Press AC ON/OFF button. Reduce load. Charge the unit. |
| Pengecasan solar tidak berfungsi | Insufficient sunlight, incorrect panel connection, damaged cable/panel | Ensure direct sunlight. Check cable connections. Inspect panels/cables for damage. |
| Unit memaparkan kod ralat | Internal fault, specific issue | Refer to the full user manual for specific error code meanings and solutions. Contact customer support if the issue persists. |
For more detailed troubleshooting, please consult the comprehensive user manual provided with your product or visit the official EF ECOFLOW support webtapak.
7. Spesifikasi
Key technical specifications for the EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station and 400W Solar Panels:
| Ciri | Spesifikasi |
|---|---|
| Jenama | EF ECOFLOW |
| Nama Model | DELTA 3 Ultra Plus with 2x400W Solar Panels |
| Nombor Model | EF-DL-H02-3UP |
| Jenis Bateri | LiFePO4 |
| Kapasiti Bateri | 3072Wh (Expandable to 11kWh) |
| Kuasa Keluaran AC | 3600W (lonjakan 7200W) |
| Jumlah Outlet AC | 4 x 120V, 20A AC Outlets + 1 x TT-30 RV Port (120V, 30A) |
| Output USB-C | 1 x 140W Max, 2 x 45W Max |
| Keluaran USB-A | 1 x 18W Maks |
| Keluaran DC | 12V Cigarette Lighter Port, Anderson Port (12V, 30A) |
| Input Pengecasan AC | 1800W (0-80% dalam 89 minit) |
| Input Pengecasan Suria | 1600W (0-80% in 101 mins with 400W panels) |
| Fungsi UPS | <10ms Auto-Switch |
| Tahap Kebisingan | 25dB (under 600W load) |
| Dimensi Produk | 24.1"L x 12.9"W x 15.6"H |
| Solar Panel Rated Power | 400W setiap panel |
| Kecekapan Panel Suria | 22.40% |
| Solar Panel Waterproof Rating | IP68 |

Imej 7.1: Detailed specifications for the 400W Portable Solar Panel, including its construction and electrical characteristics.
8. Waranti dan Sokongan
8.1 Maklumat Waranti
The EF ECOFLOW DELTA 3 Ultra Plus Portable Power Station comes with a Waranti pengilang 5 tahun. Waranti ini melindungi kecacatan pada bahan dan mutu kerja di bawah penggunaan biasa. Sila simpan bukti pembelian anda untuk tuntutan waranti.
8.2 Sokongan Pelanggan
For technical assistance, troubleshooting, or warranty inquiries, please contact EF ECOFLOW customer support through their official website or the contact information provided in your product packaging. You can also find additional resources and FAQs online.
Sumber Dalam Talian: Lawati EcoFlow Inc. Brand Store untuk maklumat dan sokongan produk.