Skip to main content

Disclosure: We may earn a commission from Amazon links on this page. This helps support our independent testing.

WattsGeek
Back to Reviews

EcoFlow DELTA Pro 3vsJackery Explorer 300

The Jackery Explorer 300 ($189) and EcoFlow DELTA Pro 3 ($2,299) sit in different price brackets, with a $2,110 gap between them. Is the EcoFlow DELTA Pro 3's 4,096Wh capacity and 4,000W output worth the premium over the Jackery Explorer 300's 293Wh/300W? We compare every spec below.

EcoFlow DELTA Pro 3

EcoFlow DELTA Pro 3

EcoFlow

$2,299

Buy on Amazon
Jackery Explorer 300

Jackery Explorer 300

Jackery

$189

Buy on Amazon

Specifications Comparison

Capacity
4,096 Wh
293 Wh
Continuous Output
4,000 W
300 W
Surge Power
8,000 W
500 W
Battery Type
LiFePO4
Li-ion
Cycle Life
4,000 cycles
500 cycles
Charge Time
50 min (0-80%)
2 hours
Weight
113.5 lbs
7.1 lbs
Dimensions
27.3 x 13.4 x 16.1 in
9.1 x 5.2 x 7.8 in
Price
$2,299
$189
Rating
4.5/5
4.6/5

Key Differences Explained

Battery Capacity

The EcoFlow DELTA Pro 3 packs 4,096Wh — 14.0x the Jackery Explorer 300's 293Wh. That extra 3,803Wh means significantly longer runtime for appliances like mini-fridges, CPAP machines, or power tools.

Output Power

With 4,000W continuous output, the EcoFlow DELTA Pro 3 can handle heavier loads than the Jackery Explorer 300's 300W. This matters for high-draw appliances like microwaves, hair dryers, or power tools that demand consistent wattage.

Battery Technology

The EcoFlow DELTA Pro 3 uses LiFePO4 (lithium iron phosphate) chemistry, which offers superior thermal stability and typically 3,000+ charge cycles. The Jackery Explorer 300 uses Li-ion, which may offer higher energy density but typically fewer total cycles. For daily use, LiFePO4 delivers better long-term value.

Cost per Watt-Hour

At $0.56/Wh, the EcoFlow DELTA Pro 3 offers 13% better value per watt-hour than the Jackery Explorer 300 ($0.65/Wh). This metric helps you understand the raw cost of stored energy, regardless of other features.

Portability

At 7.1 lbs, the Jackery Explorer 300 is 106.4 lbs lighter than the EcoFlow DELTA Pro 3 (113.5 lbs). For camping, tailgating, or emergency kits where you need to carry your power station, that weight difference adds up quickly.

The Bottom Line

The EcoFlow DELTA Pro 3 wins 4 out of 7 comparison categories against the Jackery Explorer 300's 3. It stands out with 4,096Wh capacity and 4,000W output at $2,299. However, the Jackery Explorer 300 may still be the better choice if budget is your top priority.

Choose EcoFlow DELTA Pro 3 if...

  • You need maximum battery capacity — 4,096Wh gives you 1298% more runtime than the Jackery Explorer 300
  • You need to power high-wattage appliances up to 4,000W
  • You want the safest, longest-lasting LiFePO4 battery chemistry
  • Long-term durability is important — 4,000 cycle lifespan
Read Full Review

Choose Jackery Explorer 300 if...

  • Budget is a priority — save $2,110 compared to the EcoFlow DELTA Pro 3
  • Portability matters — at 7.1 lbs, it's 106.4 lbs lighter
Read Full Review

Frequently Asked Questions

Which is better, EcoFlow DELTA Pro 3 or Jackery Explorer 300?▼
It depends on your needs. The EcoFlow DELTA Pro 3 offers 4,096Wh capacity with 4,000W output at around $2,299. The Jackery Explorer 300 provides 293Wh and 300W for about $189. Choose the EcoFlow DELTA Pro 3 for more capacity, or the Jackery Explorer 300 for better value.
Can the EcoFlow DELTA Pro 3 or Jackery Explorer 300 power a refrigerator?▼
A typical residential refrigerator draws 100-400W running and 1,200W surge. The EcoFlow DELTA Pro 3 (4,000W continuous, 8,000W surge) can handle most fridges. The Jackery Explorer 300 (300W, 500W surge) is better suited for mini-fridges or smaller appliances.
Is LiFePO4 or Li-ion better for a portable power station?▼
LiFePO4 batteries typically last 3,000+ cycles, are more thermally stable, and safer, but are heavier. Li-ion (NMC) batteries are lighter and more energy-dense but typically last 500-800 cycles. For daily use and longevity, LiFePO4 is generally preferred. For weight-sensitive applications like backpacking, Li-ion may be more practical.
How long will the EcoFlow DELTA Pro 3 and Jackery Explorer 300 last on a single charge?▼
Runtime depends on your load. At 100W draw: the EcoFlow DELTA Pro 3 (4,096Wh) runs approximately 34.8 hours, while the Jackery Explorer 300 (293Wh) runs about 2.5 hours. At 500W draw: 7.0 hours vs 0.5 hours respectively (accounting for ~85% inverter efficiency).

Related Comparisons

EcoFlow DELTA Pro 3 vs EcoFlow RIVER 2Jackery Explorer 300 vs EcoFlow RIVER 2EcoFlow DELTA Pro 3 vs Anker SOLIX C300Jackery Explorer 300 vs Anker SOLIX C300EcoFlow DELTA Pro 3 vs Jackery Explorer 500Jackery Explorer 300 vs Jackery Explorer 500EcoFlow DELTA Pro 3 vs EcoFlow RIVER 2 ProJackery Explorer 300 vs EcoFlow RIVER 2 Pro