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OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
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OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
Expand Your Power - Add 2048Wh LiFePO4 capacity to OUPES Mega for scalable off-grid energy.
OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control
Item #: 221385783

OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control

Item #: 221385783

TTD 6774

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Expand Your Power - Add 2048Wh LiFePO4 capacity to OUPES Mega for scalable off-grid energy.
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What Stands Out

High Capacity
With a massive 2048Wh capacity, the OUPES B2 battery expands your power options significantly, providing reliable electricity for various devices during outdoor adventures or emergencies.
Smart Control
Utilize WiFi and Bluetooth connectivity to manage and monitor your battery through the dedicated app, facilitating remote control and efficiency optimization for the modern user.
Fast Solar Charging
Designed for quick solar recharge, the B2 adapts seamlessly with solar panels, ensuring sustainable power generation and reducing dependency on traditional electricity sources.

Product Details

Shop OUPES B2 Smart Extra Battery - 2048Wh LiFePO4 Expansion for Mega 1/2/3 Portable Power Station, 2100W Solar Charging & WiFi/Bluetooth APP Control online at a best price in Trinidad and Tobago. B0G19MYYHC
  • Expand Your Power - Add 2048Wh LiFePO4 capacity to OUPES Mega 1 (up to 5120Wh with 2 B2s), Mega 2 (up to 10.24kWh with 6 B2s), or Mega 3 (up to 15.36kWh with 6 B2s) for scalable off-grid energy.
  • Harness Solar Energy - Charge via 2100W solar input (Anderson port) to rapidly replenish energy under sunlight, ideal for off-grid adventures.
  • Control Remotely - Manage battery status, output settings, and firmware updates via WiFi/Bluetooth-enabled APP from your smartphone.
  • Power Multiple Devices - 10 versatile outputs: 1x Anderson (12V/30A), 2x DC5521 (12V/10A), 1x Car Lighter, 2x USB-C (100W PD), 4x USB-A (18W QC3.0).
  • Built for Compatibility - Stackable design connects seamlessly to Mega 1/2/3 power stations; customize power capacity for homes, RVs, or outdoor rigs.
  • Reliable & Long-Lasting - LiFePO4 chemistry ensures 3,500+ cycles at 80% capacity, outperforming standard lithium-ion batteries.
  • Emergency Ready - Keep homes, medical devices, or cameras running during outages with 41.8lbs portable backup power.
BrandOUPES
Model NumberS2-BAT
Model NameB2
Global Trade Identification Number06976148350311
ManufacturerSHENZHEN WEI PENG SHIJI TECHNOLOGY CO., LTD
Built-In Media1x B2 Smart Extra Battery, 1x Extra Battery Cable, 1x User Manual
Voltage120 Volts
Amperage0.6 Amps
Unit Count1 Count
Item Dimensions18.1 x 10.6 x 10 inches (46 x 26.9 x 25.4 cm)
Item Weight41.8 Pounds (18.96 kg)
Antenna LocationHome backup power, Off-grid power, Outdoor camping & RVs
Battery Cell TypeLithium Polymer
Battery Cell CompositionLithium Polymer
Recommended Uses For ProductHome backup power, Off-grid power, Outdoor camping & RVs

Dangerous Goods

To avoid the delay in customs clearance process for Dangerous Goods, the shipment shall be opened at our warehouse facility to check the severity of hazardous components. Please see the list of Dangerous goods here.

Who Should Buy?

Suitable For
  • Outdoor Enthusiasts

    Ideal for campers and hikers needing reliable power for devices and appliances during extended trips in nature.

  • Emergency Preparedness

    Suitable for households looking to ensure power availability during blackouts or emergencies with backup energy source.

  • Power Users

    Great for users with high power demands, such as tool users at job sites needing extended usage without interruption.

Not Suitable For
  • Casual Users

    Not ideal for occasional users who only need power occasionally, as it may be overkill for simple needs.

  • Cost-Sensitive Buyers

    May not be suitable for those on a tight budget, considering its higher price point for non-essential use.

  • Non-Tech Savvy

    Users uncomfortable with app controls and smart technology might find the setup and usage overly complicated.

Product Description

Have any Query? Chat with us

Customer Questions & Answers

  • Question: What is the capacity of the OUPES B2 Smart Extra Battery?

    Answer: The OUPES B2 Smart Extra Battery boasts a substantial capacity of 2048Wh. This high capacity enables users to power a variety of devices, making it an ideal choice for camping trips, home backup power, or outdoor events. The battery’s impressive capacity means you can charge laptops, smartphones, or even small appliances multiple times, providing flexibility and convenience. Whether you're planning a weekend getaway or preparing for an emergency, the B2 ensures you have the energy you need.
  • Question: How does the solar charging feature work with the OUPES B2 Smart Extra Battery?

    Answer: The OUPES B2 Smart Extra Battery supports solar charging, taking advantage of renewable energy to keep your devices powered. With a maximum solar input of 2100W, you can connect compatible solar panels to recharge the battery during the day, making it perfect for off-grid adventures. This feature is especially beneficial for outdoor enthusiasts who want to remain self-sufficient while enjoying nature, as it allows for continuous power supply without relying on traditional energy sources.
  • Question: Is the OUPES B2 Smart Extra Battery compatible with the Mega 123 Portable Power Station?

    Answer: Yes, the OUPES B2 Smart Extra Battery is specifically designed as an expansion for the Mega 123 Portable Power Station. By adding this extra battery, you significantly enhance the power capacity of your system. This means you can run more devices for longer periods, perfect for users looking to maximize their energy needs during extended trips or emergencies. Pairing them ensures you get the best performance from your portable power solution.
  • Question: What kind of devices can I charge with the OUPES B2 Smart Extra Battery?

    Answer: You can charge a wide variety of devices with the OUPES B2 Smart Extra Battery, including smartphones, tablets, laptops, cameras, and small appliances. Due to its high capacity and multiple output options, it can easily power essential electronics, making it suitable for camping, road trips, or as backup power at home. The versatility and portability of this battery come in handy during outdoor activities where electricity may be scarce.
  • Question: What is LiFePO4 technology, and why is it used in the OUPES B2 Smart Extra Battery?

    Answer: LiFePO4, or Lithium Iron Phosphate, is a safe and long-lasting battery technology utilized in the OUPES B2 Smart Extra Battery. This technology offers enhanced thermal stability and safety compared to traditional lithium-ion batteries, significantly reducing the risk of overheating or explosions. Additionally, LiFePO4 batteries have a longer lifespan and can withstand numerous charge cycles, making them ideal for users looking for durability and reliability in their energy solutions.
  • Question: What are the smart features of the OUPES B2 Smart Extra Battery?

    Answer: The OUPES B2 Smart Extra Battery includes smart features such as WiFi and Bluetooth APP control, allowing users to monitor battery status and performance remotely. With the accompanying app, you can track charge levels, operating status, and even diagnose issues in real-time. This connectivity offers added convenience for users who need to manage their energy usage efficiently, whether at home or during outdoor activities.
  • Question: Can multiple OUPES B2 batteries be connected together?

    Answer: Yes, you can connect multiple OUPES B2 Smart Extra Batteries to increase the total capacity of your power setup. This scalability is particularly useful during long outings or in emergency situations, where higher power demands are expected. By daisy-chaining multiple units, users can ensure they have sufficient energy for extended periods without having to worry about power shortages.
  • Question: How do I maintain the OUPES B2 Smart Extra Battery?

    Answer: Maintaining the OUPES B2 Smart Extra Battery involves regular monitoring of its charge levels and ensuring it is stored properly. To keep the battery in optimal condition, it's important to charge it periodically, even when not in use. Avoid leaving the battery in extreme temperatures to prolong its lifespan. By following these simple maintenance tips, you can ensure reliable performance and longevity of the battery during both casual use and emergencies.
  • Question: Where can I buy the OUPES B2 Smart Extra Battery in Trinidad and Tobago?

    Answer: You can purchase the OUPES B2 Smart Extra Battery from Ubuy in Trinidad and Tobago. They offer a reliable online shopping experience, ensuring that you can easily find and purchase this powerful battery along with other related accessories for your energy needs. Ubuy also provides a user-friendly interface, making it convenient for you to explore different options and make informed decisions.
  • Question: What safety features does the OUPES B2 Smart Extra Battery include?

    Answer: The OUPES B2 Smart Extra Battery is equipped with several safety features, including overcharge protection, short-circuit prevention, and thermal regulation. These features work together to mitigate risks associated with battery use, ensuring your devices are not only powered but also protected. This consideration for safety makes the B2 a dependable choice for both daily use and emergency scenarios, giving users peace of mind whenever they rely on it.

OUPES Generators S2-BAT Editorial Review

**** The Oupes extra battery has garnered positive feedback from users who emphasize its reliability and efficiency in expanding solar energy storage. Intended for use with Oupes' Mega series units, it successfully enhances the overall capacity of these solar power systems, functioning as a dependable backup for off-grid living and reducing reliance on traditional generators. Customers appreciate the straightforward installation process, facilitated by the included cord that connects the battery to the main unit seamlessly. Users have highlighted the battery's performance, especially in off-grid environments, where it allows for fewer generator run-times. The collective experience shows that with the right setup—pairing the battery with solar panels and proper extension cords—charging times are quick and efficient. Furthermore, Oupes has been acknowledged for their excellent customer support, bolstered by informative YouTube resources aimed at helping users maximize their solar systems. While the majority of feedback is favorable, a few reviews note discrepancies in the expected watt hours and performance issues with the main unit, though Oupes has shown a commitment to customer satisfaction by replacing malfunctioning products swiftly. Overall, the Oupes extra battery is praised for its significant contribution to solar energy systems, making it a recommended addition for anyone interested in enhancing their solar capabilities. **

Customer Reviews & Ratings

4.3
18 customers ratings
  • 5 Star
    69%
  • 4 Star
    13%
  • 3 Star
    7%
  • 2 Star
    8%
  • 1 Star
    3%

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Pros

  • Easy installation and compatibility with the Oupes Mega series units.
  • Significantly boosts energy storage capacity.
  • Reduces dependence on traditional generators in off-grid settings.
  • Quick charging times noted by users.
  • Excellent customer support and resources available for setup.

Cons

  • Some discrepancies noted in expected watt hours.

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“The process was smooth, with clear communication and timelines. This was my 1st purchase and I am really impressed. I will definitely be coming back.”

12 June 2026 · via Trustpilot
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TTD 6774

Order now and get it around Thursday, July 30

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Fastest cross-border delivery

Features & Benefits

  • Add substantial 2048Wh capacity to OUPES Mega power stations.
  • Scalable solution, combine up to 15.36kWh for extensive off-grid energy.
  • Charge quickly with 2100W solar input for outdoor adventures.
  • Control and monitor your battery remotely via a smartphone app.
  • Compatible with various devices through 10 versatile outputs.
  • Long-lasting durability with over 3,500 cycles at 80% capacity.

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