Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

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Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S
Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S
Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S
Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power
MPN No: EV 6500-S
In Stock
$1,689

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Expected ship date Sep 24 - Oct 01 About shipping

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$1,689
Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

MPN No:

EV 6500-S

Expected ship date Sep 24 - Oct 01
In Stock
$1,689

Specifications

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Data Sheet
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Installation Guide
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Fortress Power 6.5kW Off Grid Solar Hybrid Inverter EV 6500-S

The Fortress Power EV 6500-S is a robust off-grid solar hybrid inverter designed to deliver consistent power where the grid can’t reach. With integrated MPPT solar charging, pure sine wave output, and intelligent battery management, it’s the perfect solution for cabins, backup power systems, and whole-home off-grid applications.

Key Benefits

High Solar Throughput: Integrated 140 A charger and 2× MPPT (5 kW + 5 kW) speed battery charging.

Flexible Sources: Works with grid and generators for seamless charging and bypass.

Fast Switchover: Typical 10 ms transfer helps keep priority loads online.

Scalable Power: Parallel up to six units for 39 kW total output.

Smart Scheduling: Time-of-use charge/discharge and optional CTs for safe, optimized operation.

Special Technology

Dual-Tracker MPPT: 150–450 Vdc operating window per tracker, 550 Vdc max Voc.

Pure Sine Inversion: 6.5 kW rated / 13 kVA peak with low noise and fan cooling.

Rich I/O & Comms: RS485, CAN, USB, dry contact; optional Wi-Fi/GPRS modules.

Warranty

Manufacturer’s Standard Warranty (Fortress Power).

Best Uses

Off-Grid Homes & Cabins: Reliable daily operation with high PV input.

Backup & Peak-Shaving: Reduce grid dependence and ride through outages.

Microgrids: Parallel operation for larger compounds or small businesses.

Specifications Table

Specification Data
Model EV6500-S
Type Split/Single-Phase Off-Grid Solar Storage Inverter
Inverter Output
Rated Output Power 6,500 W
Maximum Peak Power 13,000 VA
Output Voltage / Frequency 120/240 Vac (single/split-phase) · 50/60 Hz (adjustable)
Waveform / Transfer Time Pure sine wave · ~10 ms (typ.)
Parallel Capability Up to 6 units (39 kW total)
Battery Parameters
Battery Types Lithium-ion, lead-acid, user-defined
Rated / Range 48 Vdc · 40–60 Vdc (adjustable)
Max Grid/Gen Charge Current 80 A DC (adjustable)
Max Battery Charge Current 140 A DC (adjustable)
PV Input
MPPT Channels 2
Max PV Power 5,000 W + 5,000 W
MPPT Voltage Range 150–450 Vdc
Max Open-Circuit Voltage 550 Vdc / 550 Vdc
Max Input Short-Circuit Current 18 A + 18 A
Grid / Generator Input
Phase Voltage Range 65–140 Vac
Frequency Range 50/60 Hz
Bypass Overload Current 40 A
Efficiency & Communications
MPPT Tracking Efficiency 99.9%
Max Battery-Inverter Efficiency 93%
Interfaces RS485, CAN, USB, dry contact; optional Wi-Fi/GPRS
General
Protection Level IP20 (indoor)
Operating Temperature 14–131 °F (−10–55 °C), derate >45 °C
Cooling / Noise Fan · < 60 dB
Dimensions (W × D × H) 25.5 × 16.1 × 5.5 in 
Weight 47.84 lb
Standards & EMC IEC 62109-1/-2; UL 1741; EN 61000-6-1/-6-3; FCC Part 15 Class B; RoHS
Warranty Manufacturer Standard Warranty

 

About Fortress:

Fortress Power is a U.S.-based energy storage company known for its advanced lithium iron phosphate (LFP) battery systems and solar inverters. Their product line includes scalable solutions like the eFlex, eVault Max, and Envy series, designed for residential and commercial applications. Fortress Power systems are valued for safety, reliability, and seamless integration with solar energy systems, enabling efficient backup and off-grid performance.

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FAQs

Q: Is the EV 6500-S compatible with my solar panels?
Yes, the EV 6500-S is compatible with a wide range of solar panels. Your installer will determine the correct configuration for your system to maximize efficiency.

Q: Do I need a battery to use the EV 6500-S?
No, a battery is not required. The EV 6500-S can operate as a standard grid-tied inverter. However, pairing it with a battery lets you store excess solar energy for nighttime use or during outages.

Q: How do I monitor the performance of my EV 6500-S?
The EV 6500-S typically connects to a monitoring platform via Wi-Fi or LAN. You can track performance, energy production, and battery levels (if installed) through a mobile app or web portal.

Q: What happens if there is a power outage?
If a battery backup is connected and configured, the EV 6500-S can supply power to essential loads during a grid failure. Without a battery, the inverter will shut down until grid power is restored.

Q: How do I maintain the EV 6500-S?
The inverter requires little maintenance. It’s recommended to check for warning lights or error codes periodically, ensure proper airflow and ventilation, and schedule routine system inspections by your installer.

Q: What is the efficiency of the EV 6500-S?
The EV 6500-S delivers high conversion efficiency, typically above 96%. Refer to the official datasheet for exact values depending on model version and installation conditions.

Q: What are the input and output voltage ranges?
The EV 6500-S generally supports a 208–240V AC output. Input ranges vary depending on the PV string configuration. Check the product datasheet for full specifications.

Q: What communication protocols does the EV 6500-S use?
The inverter supports Wi-Fi, RS485, and in some models optional Ethernet or Modbus communication. These allow integration with monitoring software and energy management systems.

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