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OUPES Mega 3 Home Backup & Portable Power Station

OUPES Mega 3 Home Backup & Portable Power Station

by Prepared Home
Save $1,250.00
$2,299.00
$1,049.00

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The OUPES Mega 3 is a high-capacity portable power station designed for homeowners who want dependable backup power and the flexibility to prepare for longer outages. Featuring a 3,072Wh LiFePO4 battery and a powerful 3,600W pure sine wave inverter, the Mega 3 provides reliable energy for essential appliances, electronics, tools, and household devices when the grid goes down.

Built for both emergency preparedness and everyday convenience, the Mega 3 supports ultra-fast charging, solar integration, and expandable battery capacity up to 15,360Wh. Whether you're preparing for severe weather, protecting critical equipment, or building a scalable backup power system, the Mega 3 delivers the performance and flexibility to help you stay powered and in control.

Overview

The OUPES Mega 3 is a high-capacity portable power station designed for homeowners who want dependable backup power and the flexibility to prepare for longer outages. Featuring a 3,072Wh LiFePO4 battery and a powerful 3,600W pure sine wave inverter, the Mega 3 provides reliable energy for essential appliances, electronics, tools, and household devices when the grid goes down.

Built for both emergency preparedness and everyday convenience, the Mega 3 supports ultra-fast charging, solar integration, and expandable battery capacity up to 15,360Wh. Whether you're preparing for severe weather, protecting critical equipment, or building a scalable backup power system, the Mega 3 delivers the performance and flexibility to help you stay powered and in control.

Why You'll Love It

Built for Serious Home Backup

With a 3,072Wh battery and 3,600W inverter, the Mega 3 has the power to run multiple essential appliances simultaneously, making it an excellent choice for emergency preparedness and extended outages.

Expandable for Longer Runtime

Need even more capacity? The Mega 3 can be expanded up to 15,360Wh using compatible expansion batteries, allowing you to create a larger backup power system without replacing your existing unit.

Power-Hungry Appliances Welcome

The 3,600W continuous output and 7,000W surge capacity allow the Mega 3 to handle demanding appliances and equipment that smaller power stations may struggle to support.

Ultra-Fast Recharging

Recharge quickly using AC power, solar panels, or both at the same time. With up to 3,000W AC charging and 1,800W solar input, downtime is kept to a minimum.

Solar Ready

Support for up to 1,800W of solar input makes the Mega 3 ideal for renewable energy setups, emergency preparedness, and off-grid power applications.

Long-Term Reliability

Built with EV-grade LiFePO4 battery technology and rated for over 3,500 charge cycles, the Mega 3 is designed to provide years of dependable performance.

Smart Monitoring & Control

Monitor battery levels, charging performance, and system settings remotely through the OUPES mobile app using Wi-Fi or Bluetooth connectivity.

Protect Sensitive Electronics

With UPS functionality and rapid switching capability, the Mega 3 helps keep important devices operating during unexpected power interruptions.

Technical Specifications

Battery

  • Capacity: 3,072Wh
  • Expandable Capacity: Up to 15,360Wh
  • Battery Chemistry: LiFePO4 (LFP)
  • Lifecycle Rating: 3,500+ Cycles to 80% Capacity
  • Battery Management System (BMS): Yes
  • UPS/EPS Switching Time: <20ms

AC Output

  • Rated Output: 3,600W
  • Surge Output: 7,000W
  • Inverter Type: Pure Sine Wave
  • AC Outlets: Multiple 120V AC Outputs

USB & DC Outputs

  • Multiple USB-A Ports
  • Multiple USB-C PD Ports
  • DC Outputs
  • 12V Vehicle Socket
  • Simultaneous Multi-Device Charging

Charging Input

  • AC Charging: Up to 3,000W
  • Solar Charging: Up to 1,800W
  • Solar Input Range: 12V–150V DC
  • MPPT Solar Charging Technology
  • AC + Solar Charging Supported

Connectivity

  • Wi-Fi
  • Bluetooth
  • OUPES Mobile App
  • Remote Monitoring & Control

Physical Specifications

  • Weight: Approximately 70 lbs
  • Integrated Carry Handles
  • Pass-Through Charging Supported

Warranty & Certifications

  • Warranty: Up to 6 Years (5-Year Standard Warranty + 1-Year Registration Extension)
  • Certifications: UN38.3, MSDS
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.

Authorized Dealer
We proudly partner with trusted manufacturers and authorized supplier networks to provide genuine products backed by manufacturer warranties and dependable support.

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 features a powerful 3600W pure sine wave inverter and a 3072Wh LiFePO4 battery, allowing it to run 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.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

Runtime depends on your refrigerator's energy usage, but the Mega 3's 3072Wh battery provides enough capacity to keep many modern refrigerators running for a full day or longer under typical cycling conditions. Energy-efficient models may run even longer, while older or larger units may consume more power.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

Yes. Unlike traditional gas generators, the OUPES Mega 3 produces no gasoline fumes, exhaust, or carbon monoxide, making it safe for indoor use when operated according to the manufacturer's guidelines. It's an excellent option for home backup power during storms and unexpected outages.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

Absolutely. The Mega 3 is solar-ready and supports up to 1800W of solar input, making it easy to recharge using compatible solar panels. Pairing the Mega 3 with portable solar panels creates a clean, renewable backup power solution that can help extend your runtime during longer outages.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

The Mega 3 supports multiple charging methods, including AC wall charging, solar charging, and combined AC + solar charging for even faster recovery times. Using AC power alone, the unit can recharge remarkably quickly thanks to its high-speed charging capability. Actual recharge times will vary depending on the charging method and available solar conditions.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

Yes. One of the Mega 3's biggest advantages is its expandable design. Compatible OUPES B2 expansion batteries allow you to increase total battery capacity up to 15,360Wh, giving you the flexibility to build a larger home backup power system over time.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

Yes. The Mega 3 features built-in UPS functionality with a rapid switchover time of less than 20 milliseconds. This helps keep important devices like computers, networking equipment, and certain medical devices powered during unexpected outages or brief interruptions.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.

The Mega 3 is ideal for homeowners who want more than just emergency phone charging. With its larger 3072Wh battery, 3600W output, expandable capacity, and solar-ready design, it offers the flexibility to power more essential appliances for longer periods and grow alongside your preparedness needs. It's a great choice for those looking for greater peace of mind during extended outages.

Still have questions? Our team is always happy to help you find the right backup power solution for your home. Contact us anytime, and we'll point you in the right direction.