3.5kW Off-Grid Solar System + 5kWh Battery & 2640W Panels – Reliable Home Backup Power”
3.5kW Off-Grid Solar System + 5kWh Battery & 2640W Panels – Reliable Home Backup Power”
3.5kW Off-Grid Solar System – Quick Overview
- System Power: 3.5kW, suitable for 120V/30A homes, cottages, RVs, and cabins
- Battery Storage: 5kWh Growatt AXE 5.0L-C1, expandable up to 400kWh
- Solar Array: 6 x 440W ROCKSOLAR Monocrystalline Bifacial Panels, total 2640W
- Inverter: Growatt SPF 3500TL LVM-US, supports parallel operation up to 20kW, pure sine wave output
- High-Efficiency Charging: Built-in MPPT controller maximizes solar energy harvest
- Remote Monitoring: WiFi/GPRS enabled for firmware updates and system diagnostics
- Safety & Reliability: Overcharge/discharge protection, temperature management, integrated BMS
- Easy Installation: Modular battery design for stacking, pre-drilled solar panels for fast mounting
- Eco-Friendly: Reduces carbon footprint using renewable solar energy
- Long-Term Warranty: Battery 10 years, inverter 2 years, solar panels 12 years
- Scalable Design: Additional batteries and panels can be added to meet future energy needs

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3.5kW Off-Grid Solar System with 5kWh Battery Storage & 2640W Solar Panels – Ultimate Home Solar Kit
Upgrade your cottage, cabin, or RV with the Growatt 3.5kW Off-Grid Solar Kit, featuring a powerful 5kWh lithium battery and high-efficiency 2640W bifacial solar panel array. Designed for 120V/30A applications, this comprehensive system ensures reliable off-grid energy for your home, providing backup power, reducing electricity costs, and supporting a sustainable lifestyle.
The kit includes the Growatt SPF 3500TL LVM-US Off-Grid Inverter with integrated MPPT charge controller, a Growatt AXE 5.0L-C1 5kWh battery (expandable up to 400kWh), and six ROCKSOLAR 440W bifacial solar panels for maximum energy production. Perfect for environmentally conscious homeowners, this system combines advanced solar technology and easy installation to achieve true energy independence.
Key Benefits:
- Reliable off-grid power for homes, cabins, and RVs
- Expandable modular 5kWh battery for growing energy needs
- High-efficiency 2640W solar array for maximum daily generation
- Remote monitoring and control via WiFi/GPRS
- Durable components with long service life and manufacturer warranties
- Eco-friendly solution to reduce your carbon footprint
Included Components
- 1 x Growatt SPF 3500TL LVM-US Off-Grid Storage Inverter
- 6 x 440W ROCKSOLAR Monocrystalline Bifacial Solar Panels
- 1 x Growatt AXE 5.0L-C1 5kWh Battery (Expandable Option Available)
- 1 x Mounting Rack Set for 6 Panels (Optional)
- 1 x Set of 40ft 10 AWG Cables (Solar to Inverter)
- 1 x Set of 10ft 10 AWG Cables (Solar to Inverter)
- 1 x Set of 10ft 2 AWG Cables (Battery to Inverter)
- 1 x WiFi Module for Remote Monitoring
- 1 x 300V 20A DC Circuit Breaker
- 1 x Circuit Breaker Box
- 1 x User Manual for Inverter
- 1 x User Manual for Battery
- 1 x User Manual for Solar Panels
Technical Specifications
Growatt AXE 5.0L-C1 5kWh Battery | Details |
---|---|
Model | Growatt AXE 5.0L-C1 |
Energy Capacity | 5.0kWh (Expandable) |
Max Charge/Discharge Power | 3kW |
Max Charge/Discharge Current | 60A |
Dimensions | 650 x 350 x 165mm |
Weight | 42kg |
Nominal Voltage | 51.2V |
Battery Type | Cobalt-Free LiFePO4 |
Warranty | 10 Years |
Frequently Asked Questions
The kit includes the Growatt SPF 3500TL LVM-US Inverter, AXE 5.0L-C1 5kWh Battery, six 440W ROCKSOLAR Bifacial Panels, and all necessary cables and manuals.
Daily generation up to 9000W with solar panels; battery stores 5kWh, expandable up to 400kWh with additional batteries.
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