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Convenient recharging DELTA Max and its Extra Battery charge and discharge in unison. Whether you’re recharging DELTA Max from solar panels, AC outlets, a vehicle, or our Smart Generator, the DELTA Max Extra Battery will recharge alongside.
Independent in emergencies The extra battery even recharges directly from EcoFlow’s Smart Generator without DELTA Max. That’s more recharging options to fit any situation.
LCD screen Get all the info on battery percent, time until full, time until empty, and more on the DELTA Max LCD screen. Check the battery’s status anywhere on the EcoFlow app.
is Compatible ONLY with DELTA Max Smart.
Easy Capacity Upgrade: Adds ~2,016 Wh to your base system for extended backup energy.
Seamless Integration: Plugs directly into your DELTA Max for synchronized charging, monitoring, and discharge.
Durable & Long-Lasting: Premium battery chemistry ensures many years of reliable use.
Professional-Grade Backup: Perfect for home, RV, or off-grid setups to power lights, appliances, and devices during outages.
Compact & Stackable Design: Adds major capacity without taking up excessive space or becoming cumbersome.
Q: What is the DELTA Max Smart Extra Battery?
A: A high-capacity add-on battery designed to expand the runtime of the DELTA Max 2000 power station, providing extended off-grid energy.
Q: What is the energy capacity?
A: The Smart Extra Battery provides up to 2 kWh of additional energy, effectively doubling the DELTA Max 2000’s operational time when paired.
Q: What are the main benefits of using this battery?
A: Extended runtime, modular expandability, seamless integration, and reliable off-grid power, ideal for RVs, camping, outdoor adventures, and emergency backup.
Q: Is it compatible with solar charging?
A: Yes—it works with DELTA Max-compatible solar panels for continuous renewable energy.
Q: Where is this battery best used?
A: Perfect for off-grid living, RV trips, camping, and emergency preparedness, ensuring longer-lasting portable energy wherever needed.
Battery Charge Management: Keep the battery between 20%–80% charged to maximize lifespan; avoid prolonged full discharges.
Proper Storage: Store in a cool, dry, ventilated area (15°C–25°C / 59°F–77°F), away from heat, direct sunlight, or moisture.
Inspect Connections: Regularly check battery terminals and connectors for dust, debris, or looseness; wipe gently with a soft, dry cloth.
Firmware Updates: Keep battery firmware updated via the EcoFlow app to maintain optimal performance and safety.
Monitor Physical Condition: Inspect for swelling, leaks, or external damage; discontinue use if any issues are detected.
Environmental Protection: Avoid exposure to extreme temperatures, high humidity, or water to preserve efficiency and longevity.
Safe Handling: Handle carefully during transport, setup, and storage to prevent damage or short circuits.