All-In-One Solar Energy Storage System 3.6kW 6kW Inverter 7.5kWh 15kWh LiFePO4 Battery For Home
Dual-Power Inverter (3.6kW/6kW) & Dual-Capacity Battery (7.5kWh/15kWh) for Tailored Home Needs
Offering flexible power and capacity configurations, the system adapts to diverse household sizes and energy demands:
Inverter Options: The 3.6kW model is perfect for small to medium-sized homes (1–3 bedrooms) with 2–4kW solar arrays, powering daily loads like lighting, laptops, refrigerators, and small kitchen appliances. The 6kW model suits larger homes (3–5 bedrooms) or those with high-demand devices (EV chargers, heat pumps, or multiple air conditioners), pairing seamlessly with 5–8kW solar arrays.
Battery Options: The 7.5kWh battery stores enough excess solar energy to power a household's essential loads for 8–12 hours (e.g., overnight use after sunset) or critical loads (fridge, medical devices, Wi-Fi) for 1–2 days during outages. The 15kWh battery extends runtime to 16–24 hours of normal use or 2–3 days of backup, enabling near-total independence from the grid on sunny days.
High Conversion Efficiency: The inverter boasts 97–98% AC-DC/DC-AC conversion efficiency, while the LiFePO4 battery delivers 95–97% round-trip efficiency-minimizing energy loss and maximizing the value of every kWh captured from sunlight.
All-In-One Integrated Design for Hassle-Free Use
The system's integrated architecture eliminates the complexity of traditional split-type solar storage setups, designed for home users with no professional electrical experience:
Compact & Space-Saving: The 3.6kW+7.5kWh model measures ~60cm×45cm×25cm (weight: ~55kg), and the 6kW+15kWh model is ~75cm×50cm×30cm (weight: ~95kg)-small enough to install in garages, utility closets, or basements without occupying excessive space. No separate inverter cabinet or battery rack is needed.
Pre-Wired & Plug-and-Play: Factory-integrated wiring between the inverter, battery, and EMS means on-site installation takes only 2–3 hours (by a professional electrician). It connects to solar panels via standard MC4 connectors and to the home electrical panel via pre-wired terminals-no complex splicing or configuration required.
Quiet Operation: No moving parts in the inverter or battery, operating at ≤35dB (quieter than a household refrigerator)-suitable for indoor installation near living areas without causing noise disturbance.
LiFePO4 Battery for Safety & Long Lifespan
Built with premium LiFePO4 cells, the battery prioritizes residential safety and durability, outperforming traditional lead-acid or other lithium-ion alternatives:
Inherent Safety: Non-flammable, non-explosive chemistry with a thermal runaway temperature above 200°C. The integrated design includes a fire-retardant casing, over-temperature protection, and short-circuit safeguards-eliminating safety concerns for home use.
Decades of Service: 3000–6000 deep cycles at 80% depth of discharge (DoD), retaining ≥80% capacity after 10–15 years. This is 5–10 times the lifespan of lead-acid batteries, avoiding frequent replacement costs and reducing environmental impact.
All-Climate Performance: Operates stably in -20°C to 60°C (-4°F to 140°F), adapting to cold winters (e.g., Northern Europe, North America) and hot summers (e.g., Southeast Asia, Australia) without performance degradation.



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Model |
WD3.6KW |
WD7KW |
WD15.6KW |
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PV Input |
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Max. PV Input Power: |
5000W |
9000W |
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Max. DC Input Voltage: |
500Vdc |
500Vdc |
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Max. Input Current: |
18A |
27A |
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MPPT Voltage Range: |
40V-450V |
60-450VDC |
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AC Input |
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Nominal Operating Voltage: |
230Vac |
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Nominal Operating Frequency: |
50/60Hz |
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Max. Input Current: |
20A |
40A |
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AC Output |
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Rated Output Power: |
3600VA/3600W |
6000VA/6000W |
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Nominal AC Output Voltage: |
208/220/230/240Vac |
208/220/230/240Vac |
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Nominal AC Frequency: |
50/60Hz |
50/60Hz |
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Surge Power(3 seconds): |
5400VA |
9000VA |
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Nominal AC Output Current: |
15.7A |
26A |
|
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Battery |
|||
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Rated Voltage: |
25.6V |
25.6V |
51.2V |
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Rated Capacity: |
127Ah |
280Ah |
280Ah |
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Rated Energy: |
3251.2Wh |
7168Wh |
14336Wh |
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Voltage Range: |
22.4-28V |
44.8-56V |
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Charge Voltage Range: |
28-28.8V |
56-57.6V |
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Cut-off Voltage: |
22.4V |
44.8V |
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Recommend Charge Current: |
50A |
50A |
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Max Charge Current: |
100A |
100A |
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Max Discharge Current: |
100A |
100A |
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General |
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Temperature: |
-10℃~ +55 ℃ |
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Protective Class: |
Class I |
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Ingress Protection: |
IP31 |
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