EF ECOFLOW DELTA 2 Smart Extra Battery
1024Wh LiFePO4 Expansion Battery for Power Station DELTA2
Price as of 2026-06-21. Check Amazon for the current price.
Quick Decision
Price Intelligence
- Budget:$8–$139
- Mid-range:$139–$599← You are here
- Premium:$599+
Is This Right For You?
- •EF ECOFLOW loyalists — the brand spans 21 products in our database
- •Takki Solar Generator 250W Portable Power Station — 57% cheaper at $160 (Score A-)
- •EF ECOFLOW Portable Power Station Delta 3 Classic — higher rated at 4.7/5 ($439)
📊 Based on data analysis of 129 products in this category.
Mubboo Score: B
How we calculate the Mubboo Score
Quality (45%): customer rating, normalized to a 10-point scale
Popularity (35%): review volume vs the category leader, log-scaled
Value (20%): price position vs other generators
Computed from live Amazon rating, review count, and price across 129 generators available to US consumers · last refreshed 2026-06-21.
How It Compares
This Product EF ECOFLOW DELTA 2 Smart Extra Battery | Most Popular WEN 5600-Watt Portable Generator | Best Rated EF ECOFLOW Portable Power Station Delta 3 Classic | Best Value Takki Solar Generator 250W Portable Power Station | |
|---|---|---|---|---|
| Price | $368.99 | $376 | $439 | $159.99 |
| Rating | 4.5/5 | 4.4/5 | 4.7/5 | 4.2/5 |
| Reviews | 634 | 3,430 | 798 | 2,496 |
| Mubboo Score | B | B+ | B | A- |
About EF ECOFLOW
- 21 products in our database
- Average rating: 4.5/5 across all products
- Price range: $85.47 – $4098.98
- Categories: generators, Portable Power Stations, Power Banks, Portable Solar Panels, Solar Power Banks
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Bottom Line
EF ECOFLOW DELTA 2 Smart Extra Battery earns Mubboo Score B. Priced at $369 — a mid-range option, below the category average of $465. Rated 4.5/5 from 634+ reviews. Strong buy if: ef ecoflow loyalists.
Frequently Asked Questions
Is the EF ECOFLOW DELTA 2 Smart Extra Battery worth buying in 2026?
It earns a Mubboo Score of B, with a 4.5/5 rating from 634 reviews — better than 69% of generators we track.
How much does the EF ECOFLOW DELTA 2 Smart Extra Battery cost?
It is currently $368.99 — mid-tier pricing for generators.
How does the DELTA 2 Smart Extra Battery compare to other generators?
The category's most-reviewed alternative is the WEN 5600-Watt Portable Generator (4.4/5, 3,430 reviews, $376). The DELTA 2 Smart Extra Battery carries a Mubboo Score of B vs B+.
Sources & References
Products available through US retailers. Prices in USD. Sales tax varies by state and is not included.
Mubboo may earn a commission on purchases made through affiliate links. This does not affect our Mubboo Score, product rankings, or editorial judgments. Prices are accurate as of the last sync (2026-06-21) and may change.