Growatt 8kW SPF Series Off-Grid Solar Inverter (SPF 8000 ES)

Product Summary: The Growatt SPF 8000 ES is a heavy-duty, next-generation off-grid solar inverter engineered to orchestrate robust autonomous power ecosystems in regions with unstable utility grids or complete lack of electricity access. Seamlessly integrating a premium pure sine wave inverter with a high-voltage (500VDC) MPPT charge controller, this 8kW powerhouse effortlessly coordinates solar array utilization, dynamic multi-brand battery management (supporting low-voltage lithium and traditional lead-acid banks), and automated backup generator dispatch. It serves as the definitive, future-proof energy heart for remote residential microgrids and independent agricultural operations demanding uncompromised, zero-downtime performance.

AC Output (Inverter) Specifications

PV Input (Solar Charge Controller)

Equipped with high-voltage MPPT trackers to optimize solar array wiring and maximize energy yields.

• Maximum PV Array Power: 7000 W ~ 8000 W (Depending on exact MPPT configuration)

• Number of MPPT Trackers: 1 or 2 (Layout dependent)

• Maximum PV Array Open Circuit Voltage : 150 VDC (Low-voltage MPPT) / 500 VDC (High-voltage MPPT variant)

• MPPT Operating Voltage Range: 60 VDC ~ 145 VDC / 120 VDC ~ 450 VDC

• Maximum Solar Charging Current: 80 A / 100 A

Battery Interface

• Nominal Battery System Voltage: 48 VDC

• Compatible Battery Types: Lithium-ion / Lead-acid / Gel

• Maximum AC Charging Current: 60 A / 80 A

• Maximum Total Charging Current (PV + AC Grid): 100 A ~ 120 A

• BMS Communication Ports: RS485 / CAN (Allows seamless closed-loop communication with major 48V low-voltage Lithium storage batteries)

General & Mechanical Specifications

• Dimensions (W × H × D): Approx. 540 × 360 × 218 mm (Varies by structural chassis)

• Net Weight: ~ 45.0 kg (Heavy-duty build due to the integrated low-frequency isolation transformer)

• Ingress Protection Rating: IP20 (Indoor installation; equipped with easily cleanable anti-dust filters)

• Cooling Concept: Smart forced-air cooling (Variable speed fans based on real-time load and temperature)

Advanced Environmental & System Features

• Built-in Low-Frequency Transformer: Provides complete galvanic isolation and exceptional surge handling capabilities for industrial/heavy-duty tools.

• Battery-Free Operation Mode: Supports running AC loads directly from solar power during the day, even with no battery bank connected (on specific high-voltage MPPT layouts).

• Parallel Capability: Supports multi-unit parallel expansion to scale up single-phase capacity or configure a 3-phase system.

• Operating Temperature Range: 0°C to +50°C

• Connectivity & Monitoring: Standard USB / RS485; optional plug-and-play WiFi-F / GPRS-F datalogger modules for remote smart-app tracking and parameters setup.

• Ultimate Driving Power & High-Voltage DC Input

  • 500VDC High PV Input Voltage: Built-in high-voltage MPPT tracker accommodates PV input strings up to 500VDC, allowing installers to connect more solar modules in series, drastically simplifying rooftop wiring and cutting down BOS (Balance of System) cable costs.

  • 8,000W Continuous Pure Sine Wave: Delivers 8kW of high-purity, clean alternating current with high surge capacity, smoothly starting up heavy inductive loads such as deep-well water pumps, large air conditioners, and compressors without damaging them.

  • Batteryless Operation Ready: Highly flexible topology that fully supports running essential household loads directly from pure solar power (PV-only mode) before a battery bank is even purchased, significantly lowering upfront setup costs for end-users.

• ⚡ Heavy-Duty Scalability & Multi-Source Harmony

  • Massive Parallel Expansion: Supports linking up to 6 units in parallel, enabling frictionless system scaling for both single-phase and multi-unit three-phase configurations to accommodate growing commercial or residential loads.

  • Dual Power Input Logic: Natively accepts simultaneous inputs from both the local utility grid and a backup generator, creating a highly resilient multi-source microgrid safety net.

  • Generator Automation Interface: Outfitted with robust integrated dry contact relays that seamlessly automate petrol or diesel generator start-up loops when battery State-of-Charge (SOC) drops beneath customized thresholds.

• 🛡️ Rugged Industrial Reliability & Smarter Operations

  • Dust-Proof Industrial Enclosure: Designed with an integrated anti-dust filter kit, proactively protecting sensitive internal power electronics from fine sand and dust particles, expanding component longevity in harsh desert or semi-arid climates.

  • Customizable Power Sourcing Priority: Highly programmable local firmware allows users to easily prioritize whether energy is drawn first from Solar (PV), Batteries (BAT), or the Utility Grid/Generator (UTI) to maximize operational fuel or cost efficiency.

  • Global ShineServer Remote Telemetry: Fully compatible with Growatt’s global IoT monitoring infrastructure via plug-and-play WIFI/GPRS dataloggers, granting installers the leverage to execute remote parameter tuning, monitor generation history, and perform seamless OTA firmware updates.