RV energy storage

EcoFlow DELTA 2 Smart Extra Battery Features

🔋 Expandable & Long-Life Power

• Add Extra Capacity: Adds 1024 Wh of extra battery capacity to your DELTA 2 system, effectively doubling total energy storage to ~2048 Wh for extended runtime.

• Durable LFP Battery Chemistry: Built with long-lasting LiFePO₄ cells that maintain 80 %+ capacity after ~3000 cycles, giving an estimated ~10 years of daily use.

• Smart Battery Integration: Works seamlessly with the DELTA 2 — the main unit and extra battery charge and discharge in unison for balanced performance.

⚡ Fast & Flexible Charging

• Fast Recharge: When connected to DELTA 2, can recharge from 0 % to 80 % in about 80 minutes and to 100 % in ~130 minutes (AC input), keeping downtime low.

• Multiple Power Inputs (via DELTA 2): Recharge using AC outlets, solar panels, or compatible generators, making it versatile for off-grid and home backup setups.

📱 Smart Monitoring

• EcoFlow App Support: View real-time battery status, remaining runtime, charge/discharge data, and more from your smartphone using the EcoFlow app.

• LCD Display Info: On-device display shows key metrics like percentage, input/output power, and estimated hours left (varies by retailer model).

📦 User-Friendly Design

• Plug-and-Play: No special setup — simply connect to the DELTA 2 power station to expand capacity.

• Stackable & Compact: Ergonomic design allows for stacking on top of the DELTA 2 or other units to save space and reduce clutter.

🛡️ Reliable & Safe

• Built-in Battery Management System (BMS) protects against over-voltage, over-current, over-temperature, short circuits, and other electrical risks.

📍 Ideal For

• Home Backup Power: Keeps essentials running longer during outages.

• Camping & Outdoor Use: Extends run time for off-grid adventures.

• Travel & Mobile Deployments: Works well with solar, AC, and generator charging for flexible energy wherever you go.