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  • OUPES Mega 2 & B2 Extra Battery
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    OUPES Mega 2 & B2 Extra Battery

    OUPES Mega 2 & B2 Extra Battery

    • 2048Wh Capacity | 2500W AC Pure Sine Wave Inverter (5400W Surge)
    • LiFePO4 Battery with 3,500+ Life Cycles to 80%
    • Expandable Up to 10.24kWh with B2*4
    • 15 Outputs For Multiple Devices
    • Smart HD LCD display
    • Fastest Charging Speed: Fully charge in 0.6 hours
    • 3700W Max. Input charging speed
    • Anderson Recharging Input
    • Seamless UPS Backup (2500W Max)
    • Smart Control & Monitor in OUPES App
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    Regular price $2,173.00
    Sale price $2,173.00 Regular price $2,523.00
    Tax included.
    You Could Apply for a 30% Tax Credit*
    When installing solar system as a Home Power Solution.
    5% of sales will be donated to
    the OUPES help project to help those in need.
    View full details
    OUPES Mega 2 & B2 Extra Battery
    Fast shipping
    30-Days Money Back
    36-Months Warranty
    Lifetime customer support
    2500W Output | 2048Wh Capacity

    Power 99% of Appliances

    With an impressive 2048Wh capacity and a powerful 2500W AC output, our portable power station is designed to effortlessly power a wide range of appliances. whether you're outdoors or home, MEGA2 is the ultimate solution for all your power needs,
    < 100W
  • Phone 15wh 110+ Charges
  • CPAP 40W 45+ Hrs
  • Laptop 58W 30+ Hrs
  • Light 10w 180+ Hrs
  • Fan 55W 35+ Hrs
  • 100W~1000w
  • Refrigerator 360W 5+ Hrs
  • Microwave 700W 2.8+ Hrs
  • Hair Dryer 800w 2.5+ Hrs
  • Toaster 800W 2.5+ Hrs
  • Washer 500W 5+ Hrs
  • 1000W~4000W
  • Electric Grill 1150W 1.7+ Hrs
  • Kettle 1500W 1.3+ Hrs
  • Air conditioner 1800W 1+ Hrs
  • Air fryer 1500w 1.3+ Hrs
  • Coffee Maker 1000W 1.8+ Hrs
  • Lasts for 10 Years

    Stable LiFePO4 Battery

    Mega 2 uses EV-grade LiFePO4 battery, which can be used for 3500+ cycles at 80% depth of discharge. Combined with OUPES' advanced battery management system, the Mega 2 is incredibly safe and durable.
    OUPES Battery Charge Cycles
    Maintain good health for at least
    Dual Channel Charging

    Multi-channel Charging Tech

    Mega 2 features the OUPES' latest Multi-charging Tech and it can deliver record-breaking speeds at 3700W. Unleash the sun's power with OUPES's high-performance solar panels and a staggering 2100W of solar input. Embrace the exhilaration of off-grid living and experience the freedom of a sustainable lifestyle.
    AC Charging
    Solar Panel
    Car Outlet
    AC + Solar
    Fastest Charging Speed

    Fully charge in 0.6 hours

    Multi-channel charging tech provides more possibilities for further speeding up the charging speed. You can choose the charging methods you want according to your conditions. Even without multi-channel charge, you can still fully charge your Mega 2 in 1.3 hours.
    0.6 hours
    1 hour
    1.3 hours
    AC Charging + Solar Panels
    2100W Solar Charging
    AC Charging
    AC Charging + Solar Panels
    0.6 hours
    2100W Solar Charging
    1 hour
    AC Charging
    1.3 hours
    Leading BMS System

    Protect Your Devices From Damage

    The BMS battery management system has over-voltage protection, over-current protection, and over-heat protection. It adjusts the charging voltage and speed to suit your device's needs.

    Monitor and Control

    No need to get up from your comfy sofa - you can operate Mega 2 from your mobile phone conveniently. On OUPES App, you can view and control your power station status, such as real-time input & output, port status, extended battery status, and more.

    Integration with RVs

    Unleash the power of endless exploration with our product, providing abundant energy for your long-distance travels. Say goodbye to energy worries
    Plug and Play

    Home Backup Power System

    Up to 15 output ports for every need. Simply plug in what you want to charge and press the button, limitless power is available to you. The color LCD screen displays the status of the plant, including the fault code, power remaining, port status, etc


    Battery Chemistry
    Cycle Life
    3,500+ cycles to 80% capacity
    AC Output
    DC Output
    2X5.5mm DC Output 12V/10A
    4 X QC3.0 18W Max
    5V/3A:9V/3A:12V/3A:15V/3A:20V/5A (100W Max)
    AC TT-30 Output
    Car Output
    Anderson Output
    Fast AC Charge Input
    100~120Va.c 16A Max 1600W Max
    Slow AC Charge Input
    100~120Va.c 16A Max 800W Max
    Solar Input
    12~150Vd.c 15A Max 2100W Max
    Smart Control
    Bluetooth, Wifi
    App Control
    Amazon Alexa & Google Asistant
    Net Weight
    18.1*10.6*12in (460*270*305mm)
    Operating Temperature
    Storage Temperature
    36 Months

    OUPES 240W Solar Panel

    Rated Power
    Connector Type
    7909 DC Connector
    Open Circuit Voltage
    Short Circuit Current, 12.3A
    Short Circuit Current, 12.3A
    Maximum Operating Voltage
    Maximum Operating Current
    Cell Type
    Monocrystalline Silicon
    Unfolded Dimensions
    Folded Dimensions
    Operating Temperature
    -20°C~85°C/ -4℉ to 185℉
    12 Months

    In the Box(MEGA 2)

    1 Mega 2 Portable Power Station
    1*AC Charging Cable
    1* Anderson to Anderson Cable
    1*7909 to Anderson Charging Cable
    1*Car to Anderson Charging Cable
    1*MC4 to Anderson Charging Cable
    1*User Manual
    1*Warranty Card

    Solar Panel(Depends on your option)

    240W Solar Panels
    1 * User Manual
    1 * Warranty Card
    7909 & MC4 Charging Cable


    Which is better, the OUPES Mega 2 the EcoFlow DELTA 2 Max or Jackery Explorer 2000 Pro?

    Capacity: MEGA 2 has 2048Wh, Ecoflow Delta 2 Max has 2048Wh, Jackery Explorer 2000 Pro has 2160Wh

    Output: MEGA 2 can output 2500W, Ecoflow Delta 2 Max can output 2200W, Jackery Explorer 2000 Pro can output 2200W

    Charging: MEGA 2 has a maximum charging efficiency of 3100W, Ecoflow Delta 2 Max is 2800W, and Jackery Explorer 2000 Pro can output 3200W.

    Battery type: Both MEGA 2 and Ecoflow Delta 2 Max are LiFePO4 Battery, and the battery remains healthy for up to 3,500+ Life Cycles. The Jackery Explorer 2000 Pro battery uses Lithium-ion Battery, which can only maintain 1000+ Life Cycles to 80% capacity.

    Output Ports: MEGA 2 has 15 output ports, Ecoflow Delta 2 Max has 14 output ports, Jackery Explorer 2000 Pro has 8 output ports
    Cost: MEGA 2 is currently discounted to $1223, Ecoflow Delta 2 Max is $1599, and Jackery Explorer 2000 Pro is $1899

    When will Mega2 be available for purchase? Can discount codes be supported?

    Mega2 will be officially released on November 20th. The price of Mega2 will be reduced by 10% from November 20th to December 4th. After December 4th, it will return to the original price for sale.

    Is Mega2 suitable for camping?

    Yes, Mega2 is a set of equipment designed for camping enthusiasts and people living off-grid.

    With an impressive 2048Wh capacity and a powerful 2500W AC output, whether you're outdoors or home, MEGA2 is the ultimate solution for all your power needs

    Can I use third party solar panel?

    Most of the solar panels on the market are compatible, but you need to check whether the specifications and plug are matched (Within 150V, and the connection port is Anderson), you also can feel free to contact us via email before connecting them.


    Actually, we suggest customers connect the OUPES solar panel with the OUPES solar generator, as there is already a solution provided in the generator and also the third-party solar panel.

    Different companies' solutions may conflict, causing charging not to be done as efficiently as desired although they are universal.

    Can I use a third party expanded battery?

    No, the Mega 2 can't be expanded with third party battery. Please choose B2 expanded battery with it.

    What types of battery does OUPES use?

    LiFePO4 - The Battery is estimated to have over 80% of your original capacity after 3500 cycles, with a gradual reduction after that. (Note: this doesn't mean the battery only has a 3500 cycle life span. It means that up until 3500 cycles, the unit can perform at its best. However, due to battery degradation there will be a gradual decline in performance after 3500 cycles.) 


    It has 6 times of longer lifespan than ordinary lithium batteries. LiFePO4 battery is much safer, more stable and more eco-friendly with no heavy metal elements that are harmful to people.

    How do I know if the Mega 2 can power my device?

    The OUPES Mega 2 can run any device that requires less than 120V and 2500W. You can calculate the charge time using the following formula: 2048Wh* 0.85 / operating power of your device.

    Does it support pass-through charging?

    Yes Mega 2 support pass-through charging

    Does the OUPES Mega 2 package come with all the charging cables?

    Yes, the OUPES Mega 2 package will come with all the charging cables, you don't need to purchase any extra cables.

    Do you charge tax/shipping fee?

    We provide no tax charge and free shipping service in the continental United States. The prices on our website will deliver the product to your door

    Is the solar panel waterproof? Can I use an extension cable?

    We have waterproof treatment for solar panels, but I do not recommend you use them in the rain. Portable solar panels cannot be fully waterproofed like hard solar panels. Long-term exposure to rain may reduce cell efficiency. The length of the solar charging cable is 16ft long. We also provide the extensions on the website. Please note that the charging efficiency may be reduced due to the charging cable being prolonged. It might require more time to finish charging with extension cables