⚡ LIMITED TIME OFFER

2026

Start the New Year with Energy Independence

30% OFF ALL GUARDIAN SYSTEMS

With the Federal Tax Credit discontinued, SunFusion Energy Systems is passing savings directly to you. Lock in your energy future with our most aggressive pricing ever—available through Q2 2026.

30% OFF Ends In:

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Order Now — 30% Off View Systems

Our Systems

Guardian Energy Storage Systems

Complete turnkey solutions featuring Sol-Ark hybrid inverters, ECHO 3.0 LiFePO4 battery modules, and fire-protected NEMA 3R enclosures. All systems include 25-year warranty and WiFi monitoring.

30% OFF

Guardian E2.0 Photo

Guardian E2.0

Complete whole-home backup solution with Sol-Ark inverter and ECHO battery modules in a NEMA 3R weatherproof enclosure.

48 kWh Storage Capacity

15-18 kW Continuous Power

30 kW Peak Output

19.5 kW Max Solar Input

Retail Price $39,104.66

You Save −$11,731.40

New Year Price $27,373.26

3× ECHO 3.0 LiFePO4 Modules (16.38 kWh each)
Sol-Ark 15K or 18K Hybrid Inverter
1125°F Fire-Protected NEMA 3R Enclosure
16,000+ Cycles • 25-Year Warranty
IP67 Rated • WiFi Monitoring • <5ms Transfer

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30% OFF

Guardian Tower E2.0 Photo

Guardian Tower E2.0

Scalable modular tower design for larger homes and commercial applications. Grow from 49 kWh to 98 kWh as your needs expand.

49-98 kWh Scalable Storage

3-6 Modules Configuration

12-18 kW Inverter Options

97.5% Round-Trip Efficiency

Retail (96kWh Config) $46,014.29

You Save −$13,804.29

New Year Price $32,210.00

ECHO 3.0 LiFePO4 Modules (16.38 kWh each)
Sol-Ark 12K / 15K / 18K Inverter Options
1125°F Fire-Protected Guardian Shell Enclosure
Hot-Swappable • UL 9540/9540A Certified
100% DoD • 16,000+ Cycles • 25-Year Warranty

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SUMMER 2026

Guardian Cube Photo

Guardian Cube

Massive storage for luxury estates and commercial facilities. Perfect for 12,000+ sq ft homes—go from $2,500+/month to practically zero. Each Cube is custom-built over 3 months and fully tested before delivery.

320 kWh Storage Capacity

12,000+ ft² Home Size

14'×8'×6' L × H × W

3 Months Build Time

Retail Price $136,000.00

You Save −$40,800.00

New Year Price $95,200.00

+ Freight: Worldwide shipping available. Use your own shipping or we'll arrange delivery. Rates vary by destination.

320 kWh in Compact 14'L × 8'H × 6'W Enclosure
Ideal for 12,000+ Sq Ft Luxury Estates
$2,500+/Month → Practically $0 Electric Bills
3-Month Build Time • Fully Tested & Built to Last
Your Freight or Ours • Rates Vary by Location

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Technology

Built With Premium Components

Every Guardian system features industry-leading ECHO 3.0 LiFePO4 battery modules and Sol-Ark hybrid inverters.

🔋

ECHO 3.0 Battery Module

Grade-A LiFePO4 cells with 98% depth of discharge and 16,000+ cycle life.

16.38 kWh Per Module

51.2V Nominal

250A Continuous

400A Peak (10s)

⚡

Sol-Ark 15K Inverter

Versatile whole-home hybrid inverter with seamless backup and 200A passthrough capability.

15 kW Continuous

30 kW Peak Surge

19.5 kW Max PV Input

200A Passthrough

⚡

Sol-Ark 18K Inverter

Maximum power hybrid inverter for large homes and commercial with 350A battery charging.

18 kW Continuous

36 kW Peak Surge

32.4 kW Max PV Input

350A Battery Charge

🛡️

Guardian Shell Enclosure

5052-H32 aerospace aluminum construction with integrated fire protection system.

1125°F Fire Rating

IP67 Weather Rating

NEMA 3R Enclosure

UL 9540A Certified

📱

Smart Monitoring

Real-time monitoring via WiFi with mobile app and web interface down to cell-level data.

WiFi Connectivity

Cell-Level Monitoring

AI Analytics

24/7 Access

Important Information

Systems Only: The 30% discount applies exclusively to complete Guardian system purchases. Individual components, replacement parts, and accessories are not eligible for this promotional pricing.
Limited Time Offer: This pricing is valid through Q2 2026. Based on sales volume, SunFusion reserves the right to return to full retail pricing after June 30, 2026.
Federal Tax Credit Update: With the discontinuation of the Federal Tax Credit (FTC), SunFusion is passing savings directly to customers through reduced system pricing.
Installation: Professional installation available in select areas. Equipment ships worldwide. Contact us for installation options in your region.
Pricing: All discounts calculated off manufacturer suggested retail price (MSRP). Cannot be combined with other offers or promotions.
Worldwide Shipping: We ship to all countries. Freight costs vary by destination and will be quoted separately. Use our freight service or arrange your own shipping.

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Start Your Order

Complete the form below and our energy specialists will contact you within 24 hours to finalize your order.

🔥 30% OFF Through Q2 2026

1 Contact Information

First Name *

Last Name *

Email Address *

Phone Number *

Street Address *

City *

State / Province *

ZIP / Postal Code *

Country *

2 Property Information

Property Type *

Square Footage *

Average Monthly Electric Bill *

Current Solar System?

3 Select Your System

30% OFF

Guardian E2.0

48 kWh Storage

$39,104.66

$27,373.26

30% OFF

Guardian Tower E2.0

49-98 kWh Storage

$46,014.29

$32,210.00

SUMMER 2026

Guardian Cube

320 kWh Storage

$136,000.00

$95,200.00

Inverter Selection

Battery Module

Number of Modules (3-6)

Inverter Selection

Shipping Preference

Note: The Guardian Cube has a 3-month build time. Each unit is custom-built and fully tested before delivery. Dimensions: 14'L × 8'H × 6'W. 🌎 Worldwide shipping available. Launching Summer 2026.

4 Installation & Additional Information

Installation Preference

Preferred Timeline

What are your primary goals? (Select all that apply)

Backup Power Reduce Electric Bills Energy Independence Off-Grid Capability EV Charging Support Store Solar Energy

How did you hear about us?

Additional Comments or Questions

5 Price Summary

Selected System: Select a system above

Retail Price: —

New Year Discount (30%): —

Your Price: —

* Final pricing may vary based on configuration and installation requirements. A SunFusion energy specialist will contact you to confirm your order and provide a detailed quote. 🌎 Worldwide shipping available. Freight costs vary by destination.

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2026

Guardian Energy Storage Systems

Guardian E2.0

Guardian Tower E2.0

Guardian Cube

Built With Premium Components

ECHO 3.0 Battery Module

Sol-Ark 15K Inverter

Sol-Ark 18K Inverter

Guardian Shell Enclosure

Smart Monitoring

Important Information

Start Your Order

1 Contact Information

2 Property Information

3 Select Your System

4 Installation & Additional Information

5 Price Summary

Ready to Power Your Future?