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

Never Run Out of Power Imagine capturing stunning sunsets on a photography trip, hosting a backyard movie night, or surviving a week-long power outage—without worrying about battery life. The OUPES B2 Smart Extra Battery is your ultimate energy multiplier, designed to supercharge OUPES Mega 1/2/3 power stations for unmatched capacity. Why Choose B2? 1.Massive Expansion : Stack up to 6 B2 units to turn your Mega 3 into a 15.36kWh powerhouse—perfect for RV renovations or off-grid cabins. 2.Solar-Ready Design : Max 2100W solar input lets you harness clean energy, reducing reliance on grid power (solar panels sold separately). 3.Smart Control, Anywhere : Monitor real-time stats, adjust output modes, or troubleshoot via the OUPES APP—no host device needed. 4.Power All Your Gear : From drones (USB-C 100W) to CPAP machines (Anderson 12V/30A), 10 ports eliminate outlet competition. Built for Real-World Needs Unlike generic batteries, B2’s LiFePO4 cells handle extreme temperatures (-4°F to 122°F) and resist voltage drops, ensuring stable power for sensitive devices. Its rugged, ergonomic shell makes transport a breeze, whether you’re hiking trails or prepping for hurricanes. Join the OUPES Family Join thousands of adventurers and homeowners who trust OUPES for reliable energy.

• 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.
• 5-Year Peace of Mind - Backed by OUPES’ warranty and 24/7 customer support for worry-free ownership.