12 KW Split Phase 120/240Vac Off-Grid Solar System
12 KW Split Phase 120/240Vac Off-Grid Solar System
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Description
Description
Growatt Advanced Home Solar Storage Kit – 12kW System with 8800W Solar Array
Product Overview
The Growatt 12kW Advanced Home Solar Storage Kit is a high-capacity off-grid energy solution designed for full-home power, large residential loads, and commercial-scale backup applications. It integrates a powerful split-phase inverter, scalable lithium battery storage, and an 8800W bifacial solar array to deliver reliable, energy-independent performance.)
Key Features
- 12kW Split-Phase Output (120/240V) – Supports whole-home and heavy-duty loads
- 15kWh Lithium Battery Storage – High-capacity, modular energy storage
- 8800W Solar Array – High-efficiency bifacial panels for maximum generation
- Complete Off-Grid System – Inverter, batteries, panels, and accessories included
- Smart Energy Management – Remote monitoring, diagnostics, and firmware updates
- Expandable System – Scalable battery and solar capacity for future growth
- Hybrid Capability – Supports solar, battery, grid, and generator input
System Components
1. Inverter – Growatt SPE 12000US
- Rated Output Power: 12,000W
- Output Voltage: 120/240VAC split-phase
- Battery Voltage: 48V system
- Dual MPPT tracking for optimized solar input
- Pure sine wave output
- Supports solar, battery, grid, and generator input
- Smart monitoring (WiFi/GPRS)
- Fast transfer switching (~10 ms), support up to 6 units parallel connection to 72kw.
- 5 Year Manufacturer warrranty
2. Battery – Growatt AXE 5.0L (×3)
- Battery Type: Lithium Iron Phosphate (LiFePO4)
- Total Capacity: 15kWh (3 × 5kWh modules)
- Nominal Voltage: ~51.2V per module
- Depth of Discharge: ~90%+
- Cycle Life: 6000+ cycles
- Modular & stackable design
- Integrated BMS protection
- Remote monitoring & diagnostics
- Scalable to large storage system
- 10 Year manufacturer warranty
3. Solar Panels – 440W Bifacial Panels (×20)
- Total Array Size: 8800W
- Panel Power: 440W each
- Quantity: 20 panels
- Monocrystalline bifacial (TOPCon / N-type)
- Dual-side energy generation (higher yield)
- High efficiency (~22%+)
- Anti-reflective tempered glass
- Durable aluminum frame
- 30 Year performance guarantee
Specification
Specification
Shipping & Rerturns
Shipping & Rerturns
- Shipping: Orders are processed within 1–2 business days. Standard delivery takes 3–7 business days depending on your location.
- Returns: You may return or exchange products within 30 days of receiving your order. Items must be in original condition with proof of purchase.
- If your item is defective or damaged due to manufacturing issues, we’ll gladly replace it at no additional cost.
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Talk to Our Solar Experts
Have questions about this system? Our solar specialists are here to help you choose the right setup for your needs. Whether you need sizing guidance, installation support, or bulk pricing, we're ready to assist.

