3.5 kW Off-Grid Solar System with 5kWh Energy Storage

Growatt Home Solar Storage Kit — 3.5kW System with 2640W Solar Array

The Growatt 3.5kW Home Solar Storage Kit is a complete off-grid energy solution designed for residential, cabin, RV, and backup power applications. Featuring a high-efficiency inverter, lithium battery storage, and a 2640W bifacial solar array, this system delivers reliable, independent power while reducing reliance on the grid.

Key Features

• Complete Off-Grid Solution: Integrated inverter, battery, and solar panels for plug-and-play installation
• 3.5kW Output Capacity: Supports essential household loads and small appliances
• 2640W Solar Array: High-efficiency bifacial panels maximize energy generation
• 5kWh Lithium Battery Storage: Reliable energy storage with long lifecycle (LiFePO4)
• Expandable System: Parallel capability for increased capacity and scalability
• Smart Monitoring: WiFi-enabled remote monitoring and diagnostics
• Hybrid Capability: Supports solar, battery, grid, and generator input

Inverter

• Model: Growatt SPF 3500TL LVM-US
• Rated Output Power: 3.5kW
• Output Voltage: 120VAC (expandable to split-phase 120/240V)
• Integrated MPPT Charge Controller
• Configurable input priority (solar / grid / generator)
• Parallel operation up to 21kW
• 2-year manufacturer warranty

Battery

• Type: Lithium Iron Phosphate (LiFePO4)
• Capacity: 5kWh
• Model: Growatt ALP LV-US 5kWh LiFePO4 battery
• Modular & expandable (up to large-scale systems)
• Integrated BMS for safety and monitoring
• 10-year manufacturer warranty

Solar Panels

• Quantity: 6 panels
• Power per Panel: 440W
• Total Array Size: 2640W
• Type: Monocrystalline bifacial
• High efficiency cells
• Anti-reflective glass
• Bypass diodes for shading tolerance
• Durable aluminum frame
• Expected lifespan: 25–30+ years
• 30-year performance guarantee

• 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.