Growatt SPF3500 ES 3.6kW - Single phase - Hybride LV inverter

The Growatt SPF3500 ES 3.6kW is a compact and efficient single-phase hybrid inverter designed for smaller residential installations and off-grid applications. With a blend of reliability, flexibility, and competitive pricing, this model is ideal for customers seeking an entry-level solution in energy storage.

With a power output of 3.5–3.6kW, the SPF3500 ES is perfectly suited for smaller households, vacation homes, or basic backup systems. The inverter seamlessly integrates with solar panels, batteries, and the grid, and can also operate fully off-grid.

The integrated MPPT charge controller ensures maximum solar yield and supports up to 4500W of PV input.

Main Benefits

• 3.5kW Power – ideal for smaller energy needs


• Hybrid Operation – combines solar, battery, and grid


• Low Voltage Batteries (48V) – compatible with lithium and lead-acid


• Off-grid & Backup Functionality – power during outages


• Integrated MPPT (±80A) – optimal solar yield


• Expandable in Parallel up to 6 Units – scalable for larger systems


• Works with or without Battery


• WiFi/GPRS Monitoring Available

All-in-One Design

The Growatt SPF3500 ES is a 3-in-1 solution: inverter, charger, and solar regulator in one device. This simplifies installation and reduces overall system costs.

Flexible Applications

This inverter is suitable for various applications:

• Off-grid installations


• Backup systems


• Small residential solar installations


• Self-consumption systems

With the ability to prioritize energy sources (solar, battery, or grid), the system can be optimally tailored to the situation.

Technical Specifications (Brief)

• Power: 3500W


• Phase: Single-phase


• Battery Voltage: 48V (LV)


• Max. PV Power: ±4500W


• MPPT Range: approx. 120–430V


• Efficiency: ±93%


• Parallel: up to 6 units


• Application: Hybrid / Off-grid / Backup

Why Choose Growatt SPF3500 ES?

The SPF3500 ES is an excellent choice for customers who:

• Seek an affordable entry-level hybrid inverter


• Want to install a compact and simple system


• Plan to scale up via parallel connection in the future

This model offers a strong balance between price, performance and flexibility in the lower-powered segment.