EcoFlow DELTA 3 Series Smart Extra Battery
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The EcoFlow DELTA 3 Series Smart Extra Battery is designed to seamlessly pair with the DELTA 3 Plus, DELTA 3, and DELTA 3 1500 power stations. This extra battery boosts your energy reserves by an impressive 1024Wh, giving you more power for longer durations. With advanced LFP battery chemistry, a robust 5-year warranty, and intuitive app controls, this battery offers unmatched convenience and durability.
This extra battery isn’t just about adding capacity—it’s about adding freedom and security. Whether you’re tackling unpredictable weather, extending your camping trips, or staying prepared for emergencies, the DELTA 3 Smart Extra Battery ensures you have the power you need, whenever you need it.
Expand your energy capacity by 1024Wh, making it ideal for extended camping trips, prolonged power outages, or off-grid living. Stay powered up without worrying about running out of energy.
With advanced LFP technology, this battery delivers over 3,000 charging cycles, ensuring up to 10 years of dependable use. Enjoy unmatched safety, stability, and long-lasting performance.
Experience plug-and-play convenience with no complex setup required. The EcoFlow app allows you to monitor and control energy usage for optimal power management anytime, anywhere.
Engineered to handle tough conditions, this battery is ready for your adventures. Whether at home or outdoors, its durable construction ensures reliable performance every time.
EcoFlow provides a 5-year warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.
General Specifications |
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| Weight | 9.6 kg | 21.2 lb |
| Dimensions (W×D×H) | 397.6 × 202 × 198 mm | 15.7 × 8.0 × 7.8 in |
Output Specifications |
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| Extra Battery Port | 40V-58.4V⎓48A Max |
Input Specifications |
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| Extra Battery Port | 40V-58.4V⎓24A Max |
Battery Information |
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| Rated Capacity | 1024Wh (51.2V⎓20Ah) |
| Cell Chemistry | LFP (LiFePO₄) |
| Cycle Life | 80%+ capacity after 4000 cycles |
| Protection Type | Over Voltage Protection, Overload Protection, Over Temperature Protection, Short Circuit Protection, Low Temperature Protection, Low Voltage Protection, Overcurrent Protection |
Temperature Specifications |
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| Optimal Operating Temperature | 20°C-30°C (68°F-86°F) |
| Charge Temperature | 0°C-45°C (32°F-113°F) |
| Discharge Temperature | −10°C to 45°C (14°F-113°F) |
| Storage Temperature | −10°C to 45°C (14°F-113°F) |
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Order Shipping Time
Following processing, it may take between 3 and 8 days to arrive, depending on your location.
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