Xiamen D.T. Multi Tech Co., Ltd. is one of the most reliable manufacturers and suppliers of residential energy storage system in China. With abundant experience, we warmly welcome you to wholesale cheap residential energy storage system from our factory. If you have any enquiry about cooperation, please feel free to email us.
All-in-One Solar Inverter & Battery Solution
A residential energy storage system designed for modern solar projects that require reliability, simplified installation, and long-term operational stability. This all-in-one system integrates a hybrid inverter, LiFePO₄ battery, intelligent BMS, and energy management functions into a single, factory-assembled unit, making it ideal for residential solar applications and light commercial energy storage projects.
Built for professional solar EPCs, installers, and distributors, this system reduces installation time, minimizes on-site wiring complexity, and delivers consistent performance across a wide range of grid and off-grid environments.
Designed for Professional Residential Solar Projects
This system is specifically developed for repeatable residential solar installations and small-scale commercial projects where efficiency, scalability, and long-term reliability are essential.
From a procurement perspective, the standardized design allows EPC contractors and distributors to streamline inventory management, simplify system design, and shorten commissioning time. For project developers, the integrated architecture reduces failure points and lowers total lifecycle costs.
Typical use cases include residential rooftop solar systems, hybrid solar installations, and backup power solutions in areas with unstable grids or frequent outages.
Technical Specifications
| Category | Parameter | A1665 | A0836 |
|---|---|---|---|
| Battery |
Battery Type | LiFePO₄ | LiFePO₄ |
| Capacity | 16076 Wh | 8038 Wh | |
| AC Output | Output Topology | L + N + PE | L + N + PE |
| Output Rating | 6500 VA | 3600 VA | |
| Rated Output Voltage | 208–240 V (Adjustable) | 208–240 V (Adjustable) | |
| Waveform | Pure Sine Wave | Pure Sine Wave | |
| Frequency | 50 / 60 Hz | 50 / 60 Hz | |
| Overload Capacity | 30 s @130%–150% load; 10 s @150%–200% load | 10 s @130%–150% load; 3 s @110%–130% load | |
| AC Input | Input Topology | L + N + PE | L + N + PE |
| Input Voltage | 176–264 VAC | 176–264 VAC | |
| Input Frequency | 40–70 Hz | 40–70 Hz | |
| Max Input Current | Max 40 A (RMS) | Max 20 A (RMS) | |
| PV Input | PV Max Input Power | 9000 W | 5000 W |
| PV Max Input Current | 28 A | 18 A | |
| PV Max Open Circuit Voltage | 500 VDC | 500 VDC | |
| MPPT Voltage Tracking Range | 60–450 VDC | 40–450 VDC | |
| MPPT Tracking Max Efficiency | 99.5% | 99.5% | |
| Others | Charging Temperature | 0°C – 55°C | 0°C – 55°C |
| Discharge Temperature | -20°C – 55°C | -20°C – 55°C | |
| Operating Humidity | Max 90% RH | Max 90% RH | |
| Storage Temperature | -20°C – 50°C (15–25°C recommended) | -20°C – 50°C (15–25°C recommended) | |
| Battery Cycle Life | >11,000 cycles (70% SOC) | >11,000 cycles (70% SOC) | |
| Net Weight | Approx. 130 kg | Approx. 80 kg | |
| Dimensions (L × W × H) | 670 × 240 × 935 mm | 480 × 240 × 835 mm | |
| Grade of Protection | IP21 | IP21 |
Who This System Is Best For
This product is developed for professional buyers involved in residential and small commercial solar projects, including:
- Solar EPC contractors
- Residential solar installers
- Energy storage distributors and wholesalers
- Project developers focused on residential energy storage solutions
OEM and distributor cooperation options are available to support regional market expansion.
Installation & Deployment Advantages
Efficient installation and predictable deployment are critical factors in residential energy storage projects, especially for EPC contractors and professional installers managing multiple sites. Our system is engineered as a fully integrated unit, allowing most electrical and control components to be pre-configured at the factory. This reduces on-site wiring work and minimizes the risk of installation errors, helping installers complete projects more consistently and within schedule.
The compact enclosure and standardized internal layout make the system suitable for both wall-mounted and floor-standing installations. It can be deployed in indoor utility rooms, garages, or dedicated equipment areas without requiring complex structural modifications. Clear terminal layouts and accessible connection points further simplify commissioning, which is particularly valuable for repeat residential projects.
Inverter & Battery Solution
FAQ
Q: Is this system suitable for residential projects only, or can it be used in light commercial applications?
A: This system is primarily designed for residential energy storage projects, but it can also be applied to small commercial or light-load applications where single-phase power and moderate energy capacity are required.
Q: Does the system support both on-grid and off-grid operation?
A: Yes. The system supports on-grid, off-grid, and hybrid operating modes, allowing it to adapt to different grid conditions and project requirements.
Q: Can the system be expanded if higher capacity is required?
A: Yes. Multiple units can be connected in parallel to increase total system capacity, subject to project design and electrical regulations.
Q: Does the system support remote monitoring?
A: Yes. The system supports local monitoring via an LCD interface and optional remote monitoring through communication modules, enabling real-time performance tracking.
Q: Is OEM or private labeling available for distributors?
A: Yes. OEM and private labeling options are available for qualified distributors and long-term partners, subject to minimum order requirements.
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