Growatt Max Off-Grid Solar solution 21kW 120V/240V Split Phase A/C output

Power your property with confidence using the Growatt Max Off-Grid Power Station – an ultra-resilient, high-capacity solar energy system engineered for homes, farms, and off-grid facilities with substantial energy needs. This comprehensive package includes six parallel Growatt SPF3500T inverters delivering a powerful 21kW 120/240 AC output, a 30kWh Growatt AXE LiFePO₄ battery bank, and a 21.12kW solar panel array using high-efficiency monocrystalline modules.

Key Components & Features

1. Inverters – 6x Growatt SPF3500T (21kW total output)

• Parallel Configuration: Six 3.5kW inverters combined for 21kW total AC output.
• Dual Output Voltage: 120V/240V split-phase output for full compatibility with North American systems.
• Off-Grid Independence: Supports stand-alone operation for remote sites or energy backup.
• MPPT Efficiency: Integrated MPPT charge controller ensures optimal solar harvesting.
• Remote Monitoring: SHINE Wi-Fi module provides real-time diagnostics and performance data.

2. Battery – Growatt AXE 5.0L-C1 LiFePO₄ (x6 for 30kWh total)

• Modular Storage: 5kWh per unit, stacked to create a 30kWh reliable storage bank.
• Safe Technology: LiFePO₄ chemistry offers excellent thermal and cycle stability.
• Integrated BMS: Real-time battery management for protection and performance.
• Remote Updates: Wi-Fi/GPRS support for firmware upgrades and remote support.

3. Solar Panels – 48x 440W Monocrystalline Panels (21.12kW total)

• High Output: Each 440W panel delivers exceptional power conversion even in low light.
• Rugged Design: Weather-resistant anodized aluminum frame with tempered anti-reflective glass.
• Shading Mitigation: Bypass diodes reduce power loss from partial shading.
• Easy Installation: Panels come with pre-drilled mounting holes for simple setup.
• Longevity: Over 30-year service life with 12-year product warranty.

Protection & Connectivity

• PV Cabling: Includes UV-resistant 6mm² solar DC cables for efficient and secure transmission.
• DC Protection: 6x 32A/1000V breakers protect each PV string individually.
• AC Load Safety: 80A/240V AC breaker ensures safe power delivery to household circuits.
• System Monitoring: Track performance and troubleshoot in real time with the SHINE Wi-Fi module.

Why Choose the Growatt Max 21kW Off-Grid System?

• Massive Capacity: Supports large homes, businesses, or multiple off-grid structures.
• Energy Independence: Operates independently of the grid, with full solar and battery integration.
• Scalable & Flexible: Expandable storage and panel configurations as needed.
• Long-Term Reliability: Premium-grade warranties on inverters, batteries, and panels.
• Sustainable Solution: Reduce emissions and electricity costs with renewable power.

What’s in the Box?

• 6x Growatt SPF3500T Inverters (21kW total)
• 6x Growatt AXE 5.0L-C1 Batteries (30kWh total)
• 48x 440W Monocrystalline Solar Panels
• 6x 32A/1000V PV DC Breakers
• 1x 80A/240V AC Output Breaker
• 1x SHINE Wi-Fi Monitoring Module
• UV-Resistant 6mm² DC Cables

Perfect for:

• Large homes and estates
• Farms and remote facilities
• Emergency or disaster-ready power systems
• Environmentally responsible living