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OUPES Mega 3 Extended Solar Backup Kit

OUPES Mega 3 Extended Solar Backup Kit

by Prepared Home
Save $2,160.00
$4,659.00
$2,499.00

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Built for homeowners who want greater peace of mind during prolonged outages, the OUPES Mega 3 Extended Solar Backup Kit combines the powerful Mega 3 Portable Power Station, an OUPES B2 Expansion Battery and four high-efficiency 240W Portable Solar Panels into one complete energy solution.

With a massive 5,120Wh LiFePO4 battery capacity and up to 960W of portable solar charging capability, this system is designed to keep your essential appliances, devices and communication equipment powered when it matters most. Whether you're preparing for severe weather, extended power outages, or simply want greater energy independence, this kit delivers reliable, quiet, and renewable backup power without the noise, fumes or maintenance of a traditional generator.

Built around expandable LiFePO4 battery technology and clean solar energy, the Mega 3 Extended Solar Backup Kit is designed to help you stay powered, prepared and protected.

Overview

Built for homeowners who want greater peace of mind during prolonged outages, the OUPES Mega 3 Extended Solar Backup Kit combines the powerful Mega 3 Portable Power Station, an OUPES B2 Expansion Battery and four high-efficiency 240W Portable Solar Panels into one complete energy solution.

With a massive 5,120Wh LiFePO4 battery capacity and up to 960W of portable solar charging capability, this system is designed to keep your essential appliances, devices and communication equipment powered when it matters most. Whether you're preparing for severe weather, extended power outages, or simply want greater energy independence, this kit delivers reliable, quiet, and renewable backup power without the noise, fumes or maintenance of a traditional generator.

Built around expandable LiFePO4 battery technology and clean solar energy, the Mega 3 Extended Solar Backup Kit is designed to help you stay powered, prepared and protected.

Why You'll Love It

Complete Long-Duration Backup Solution

Get everything you need to power your essentials and recharge with the sun in one powerful package.

Massive 5,120Wh Battery Capacity

The Mega 3 and B2 Expansion Battery combine to provide extended runtime for refrigerators, freezers, lighting, communication devices, and more.

Harness Up to 960W of Solar Power

Four 240W portable solar panels allow you to recharge using clean, renewable energy and reduce your dependence on the grid during longer outages.

Built for Extended Emergencies

Designed for homeowners seeking greater resilience and peace of mind during severe weather and prolonged power interruptions.

Expandable for Future Needs

Compatible with additional OUPES expansion batteries, giving you the flexibility to grow your backup power system over time.

Fast Charging & Solar Ready

Recharge using AC power, solar power, or both for maximum flexibility and faster recovery times.

Safe for Indoor Use

Unlike traditional gas generators, the Mega 3 produces no fumes, no gasoline odors, and no carbon monoxide, making it safe for indoor operation when used according to manufacturer guidelines.

Power. Protection. Peace of Mind.

Whether you're preparing for storms, building a more resilient home, or simply want dependable backup power, this system is designed to help you stay ready for whatever comes your way.

Technical Specifications

Battery

  • Battery Chemistry: LiFePO4 (LFP)
  • Capacity: 3,072Wh
  • Cycle Life: 3,500+ Cycles to 80%

Inverter

  • Continuous Output: 3,600W
  • Surge Capacity: 7,000W
  • Pure Sine Wave

Charging

  • Maximum Solar Input: 1,800W
  • AC Charging Supported
  • Combined AC + Solar Charging Supported

UPS Function

  • <20ms UPS Switchover

OUPES B2 Expansion Battery

  • Capacity: 2,048Wh
  • Battery Chemistry: LiFePO4 (LFP)
  • Total System Capacity: 5,120Wh

Included Solar Panels

Four OUPES 240W Portable Solar Panels

  • Quantity: 4
  • Total Solar Capacity: 960W
  • Cell Type: Monocrystalline
  • Conversion Efficiency: Up to 23%
  • Folding Portable Design
  • Integrated Carry Handles
  • IP65 Weather Resistance

Physical Specifications

Mega 3

  • Weight: 83.3 lbs (37.8 kg)

B2 Expansion Battery

  • Weight: 40.8 lbs (18.5 kg)

Solar Panels

  • Weight: 18.48 lbs (8.4 kg) each

What's Included

  • OUPES Mega 3 Portable Power Station
  • OUPES B2 Expansion Battery
  • Four OUPES 240W Portable Solar Panels
  • AC Charging Cable
  • Solar Charging Cables
  • User Documentation
Peace of Mind

You're making an important purchase, and we want you to feel comfortable doing it!

Whether you're preparing for outages, protecting your home, or investing in peace of mind, we're committed to making your experience simple, transparent, and worry-free from start to finish.

Free Shipping
Free shipping on all orders within the United States. No hidden fees. No surprise charges.

Price Beat Guarantee
Found a lower advertised price from an authorized dealer? We'll do our best to beat it.

30-Day Easy Returns
If your purchase isn't the right fit, we'll help make the return process simple and hassle-free.

Personal Customer Support
Questions before or after your purchase? We're here to help every step of the way.

Satisfaction Guaranteed
We carefully select every product we offer and stand behind the brands we partner with. 

Shipping

At Prepared Home, we work hard to make the ordering process simple, transparent, and stress-free.

Most in-stock orders are processed and shipped within 1–5 business days. Once your order has shipped, you'll receive a confirmation email with tracking information so you can follow your delivery every step of the way.

Shipping methods and costs may vary depending on the product, manufacturer, size and destination. Any applicable shipping charges or freight requirements will be clearly displayed before you complete your purchase—no hidden fees or surprises.

For larger items that require freight delivery, additional arrangements such as a delivery appointment or signature may be required.

If you have any questions about shipping, delivery timelines or freight requirements before placing your order, our team is happy to help!

Contact us at sales@preparedhomeco.com

Or

Call / Text (845) 327-1866

Frequently Asked Questions

The OUPES Mega 3 Extended Solar Backup Kit features a powerful 3600W pure sine wave inverter and a combined 5,120Wh LiFePO4 battery system, allowing it to power many of the devices homeowners rely on every day. During a power outage, it can help keep essentials like refrigerators, freezers, lights, routers, TVs, laptops, CPAP machines, and small kitchen appliances running. Actual runtime will vary depending on the power consumption of the connected devices.

Runtime depends on your refrigerator's energy usage, but the kit's combined 5,120Wh battery capacity provides enough energy to keep many modern refrigerators running for extended periods during a power outage. Energy-efficient models may run even longer, while larger or older refrigerators may require more power. The included four 240W solar panels can also help replenish the system during daylight hours, extending runtime during prolonged outages.

Yes. Unlike traditional gas generators, the OUPES Mega 3 Extended Solar Backup Kit produces no gasoline fumes, exhaust, or carbon monoxide, making it safe for indoor use when operated according to the manufacturer's guidelines. It's a quiet, clean backup power solution designed to help keep your home powered and protected without the noise and maintenance associated with fuel-powered generators.

Absolutely. The OUPES Mega 3 Extended Solar Backup Kit includes four high-efficiency 240W portable solar panels, providing up to 960W of solar charging capability under ideal conditions. Pairing the Mega 3 with solar power creates a renewable backup energy solution that can help extend runtime and reduce reliance on the grid during longer outages and emergencies.

Runtime depends on the appliances and devices you're powering, but with a combined 5,120Wh battery capacity, this system can keep essentials like refrigerators, freezers, lighting, internet equipment, phones, laptops, and small appliances running for extended periods. The included four 240W solar panels help replenish the system during daylight hours, making it ideal for prolonged outages.

The four included 240W solar panels provide up to 960W of solar charging capability under ideal conditions, allowing the system to recharge faster and generate more energy throughout the day. This additional solar capacity helps support longer outages and makes it easier to maintain power for essential devices without relying solely on the grid.

Unlike traditional gas generators, the Mega 3 Extended Solar Backup Kit operates quietly and produces no fumes, gasoline odors, or carbon monoxide. It requires no fuel storage, minimal maintenance, and can safely be used indoors when operated according to manufacturer guidelines. With expandable LiFePO4 battery technology and solar charging capability, it provides dependable backup power without the noise and hassle of gas-powered alternatives.

This system is ideal for homeowners who want maximum peace of mind during severe weather and prolonged outages. With over 5kWh of battery storage and nearly 1kW of portable solar charging capability, it's an excellent choice for preparedness-minded families seeking a reliable, long-duration backup power solution that can grow with their needs.