EcoFlow DELTA 3800 Gen4 Portable Power Station
The EcoFlow DELTA 3800 Gen4 is a powerhouse portable power station designed to keep your essentials running, even during extended outages. Its standout feature is an impressive battery life, capable of powering a refrigerator for up to 70 hours, significantly outperforming competitors in its class.
With a robust 3,600W continuous output and a surge capacity of 7,200W, it handles demanding appliances with ease, making it an excellent choice for backup power or off-grid adventures.

EcoFlow DELTA 3800 Gen4 Features
- Longest Runtime: Powers a refrigerator for up to 70 hours—17 hours (32.6%) longer than the industry average for 3-4 kWh portable power stations.
- Powers Most Home Appliances: Delivers 3,600W of continuous output and 7,200W of surge power.
- 3. Compact Yet Powerful: The smallest and lightest⁵ portable power station in its class with 3-4 kWh capacity and 3,600 W output.
- 4–12 kWh Expandable Capacity: Compatible with EcoFlow DELTA Pro 3 Smart Extra Battery and EcoFlow DELTA 3 Max Plus (2,048 Wh) Smart Extra Battery.
- UPS Backup with <10 ms Transfer Time: Switches to backup power within 10 ms when an outage occurs.
- Up to 5-Year Warranty: Includes a 3-year standard warranty and a 2-year extended warranty available upon EcoFlow app registration.
What truly sets the DELTA 3800 apart is its remarkable portability. Despite its substantial 3-4 kWh capacity and high output, EcoFlow has managed to make it the smallest and lightest in its category. This makes transportation and placement far more manageable, a crucial consideration for a product meant to be taken anywhere.
The compatibility with EcoFlow’s Smart Extra Batteries, like the DELTA Pro 3 and DELTA 3 Max Plus, also offers a clear path for expanding capacity should your needs grow.

EcoFlow DELTA 3800 Gen4 Specifications
| GENERAL | |||
|---|---|---|---|
| Battery Capacity | 3,763 Wh | Battery Type | LFP (LiFePO₄) |
| Cycle Life | 6,000+ cycles | Expandability | Expandable up to 12 kWh |
| Weight | Approx. 30.6 kg (67.46 lbs) | Dimensions (L × W × H) | 426 × 288.5 × 307 mm / 16.77 × 11.36 × 12.09 in |
| Charging Temperature | 0°C to 45°C (32°F–113°F) | Discharging Temperature | −10°C to 45°C (14°F–113°F) |
| Storage Temperature | 20°C to 30°C (68°F–86°F) | UPS Switching Time | ≤ 10 ms |
| Pass-through Charging | Yes | Noise | < 50 dB (charging/discharging) |
| App Control | Bluetooth & Wi-Fi | Warranty | 3+2 years |
| OUTPUT | |||
| Inverter Type | – | Lifting Power | 7,200W |
| AC Outlets | 120V~60Hz, 3600W total (surge 7200W); 20A (×4) max per port, 30A (×1) max per port | DC Outlets | USB-C (×1): 5V/9V/12V/15V⎓3A, 20V/28V⎓5A, 140W max USB-C (×2): 5V/9V/12V/15V⎓3A, 20V⎓3.25A, 65W max (shared power with USB-A): When USB-C and USB-A are used simultaneously on the shared circuit, the maximum combined output is 5V⎓3.25A, 16W max 12V DC Output: 12.6V, 10A max, 126W max, through EcoFlow USB-C to 12V Car Outlet Adapter |
| INPUT | |||
| AC Input | 100–120 V, ~15 A, 50/60 Hz, 1800 W | Solar Input | 2000W |
While other 3-4 kWh power stations drain after 53 hours, the DELTA 3800 Gen4 keeps running. Whether you’re weathering an unexpected outage, powering an off-grid adventure, or backing up critical appliances, this beast delivers the extended runtime that actually matters. That extra 17 hours isn’t just a spec—it’s peace of mind when you need it most.
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FAQs About EcoFlow DELTA 3800 Gen4
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