Growatt 3.8kW–6kW Partial Home Backup Power System

What's included: Growatt hybrid inverter, Growatt APX battery system, ATS-XH-US automatic transfer switch, system monitoring, manufacturer warranty

Three system options:

What it powers: Refrigerators/freezers, internet/Wi-Fi, lighting circuits, sump pumps, home office equipment, security systems, small kitchen appliances (exact capacity depends on system size and household usage)

Why it matters:

• Automatic transfer switch = seamless switch to battery power during outages, no manual intervention
• Lower bills — store solar energy during the day, use it during peak rate hours
• Expandable battery — grow capacity later without replacing the system
• Smart monitoring via Growatt platform

Built for: Homeowners who want backup for essential circuits without paying for full whole-home backup

Warranty: 10 years on eligible components

Which size to choose:

• 3.8kW — backup for essential appliances and critical circuits
• 6kW — more capacity for larger loads and solar utilization
• 6kW + 10kWh — extended runtime for higher-energy households

• 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.