# EF ECOFLOW DELTA 2 Max Power Station

*Published: 2024-08-06 | Updated: 2024-12-11 | Source: https://shopsavvy.com/products/ef-ecoflow-delta-2-max-power-station*

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**Brand:** EF ECOFLOW
**Price Range:** $999 - $1899 across 3 retailers

## Pros
- Offers a powerful 2048Wh capacity, suitable for running multiple critical appliances during outages.
- Features efficient and diverse charging options: AC, solar, and vehicle, with a quick recharge time of around 1 hour.
- Includes comprehensive app support for telemetry and configuration, with customizable charge/discharge settings.
- Provides a virtually silent operation, making it suitable for indoor use without disturbance.
- Can be expanded with additional batteries, enhancing its total capacity for extended power use.
- Supports easy integration with solar panels, eliminating the need for additional charge controllers.
- Delivers a pure sine wave output, verified by oscilloscope testing, for safe and efficient power delivery.
- Strong and reliable battery technology with Lithium Iron Phosphate (LFP), offering up to 3000 cycles.
- Includes a variety of output ports including USB, DC, and AC, providing versatility in use.
- Lightweight enough for portability with built-in handles, despite its substantial power capability.

## Cons
- Some users reported initial failures such as non-functional units upon arrival and battery failure soon after first use.
- Solar charging setup can be complex, requiring specific panel configurations and significant wiring.
- Issues with solar charging not auto-starting immediately were mentioned by some users.
- Concerns over quality control, with reports of poor performance and returns due to non-functionality.
- Customer service experiences were mixed, with slow processing times for returns and replacements.
- Product considered overpriced by some, given the experiences, and deemed not entirely dependable.
- Potential challenges in achieving maximum solar input due to the charge controller's limitations.
- Return process noted as cumbersome due to hazardous material classification of the battery.

## Specifications

| Attribute | Value |
|-----------|-------|
| model | DELTA 2 Max |
| mpn | EF DELTA 2 Max |
| barcode | N/A |
| sku | N/A |
| dimensionsUnit | N/A |
| weight | N/A |
| color | N/A |
| material | N/A |
| brand | ECOFLOW |
| manufacturer | ECOFLOW |
| capacityWh | 2048Wh |
| outputW | 2400W |
| maxOutputW | 3400W |
| batteryType | Lithium Iron Phosphate (LiFePO4) |
| lifespanCycles | 3000 cycles to 80% capacity |
| warranty | 5 years |
| acInput | 1800W |

## Last Seen Prices

| Retailer | Price | Availability | Last seen | Store's standard terms |
|----------|-------|-------------|-----------|------------------------|
| [retailers/amazon](https://shopsavvy.com/api/redirect/products/CgxHzK9OVzkY2wwnCnWE/offers/bc6e8053-6ebe-4a7e-a47e-fffa775110b8?source=shopsavvy&medium=product-page) | $999.00  | In Stock | 2025-05-10 (may have changed) |  |
| [Best Buy](https://shopsavvy.com/api/redirect/products/CgxHzK9OVzkY2wwnCnWE/offers/952b7445-1825-ccfb-f246-8ef3972bc26e?source=shopsavvy&medium=product-page) | $1699.99  | In Stock | 2026-07-21 (may have changed) | 15-day returns (in store too) · free return shipping · free shipping on $35+ |
| [retailers/qvc](https://shopsavvy.com/api/redirect/products/CgxHzK9OVzkY2wwnCnWE/offers/3480bcf1-ebfa-0737-a5a5-8264220ee6e7?source=shopsavvy&medium=product-page) | $1899.00  | In Stock | 2025-10-05 (may have changed) | 30-day returns |

*Store terms are each retailer's standard return and shipping policy from ShopSavvy's retailer research; some products and categories differ, so check with the store before buying.*

[See every retailer and the full price history on ShopSavvy](https://shopsavvy.com/products/ef-ecoflow-delta-2-max-power-station)

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