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

Jackery Explorer 300vsEcoFlow DELTA Pro 3

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.

Jackery Explorer 300

Jackery Explorer 300

Jackery

$189

Buy on Amazon
EcoFlow DELTA Pro 3

EcoFlow DELTA Pro 3

EcoFlow

$2,299

Buy on Amazon

Specifications Comparison

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

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 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

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

Frequently Asked Questions

Which is better, Jackery Explorer 300 or EcoFlow DELTA Pro 3?
It depends on your needs. The Jackery Explorer 300 offers 293Wh capacity with 300W output at around $189. The EcoFlow DELTA Pro 3 provides 4,096Wh and 4,000W for about $2,299. Choose the EcoFlow DELTA Pro 3 for more capacity, or the Jackery Explorer 300 for better value.
Can the Jackery Explorer 300 or EcoFlow DELTA Pro 3 power a refrigerator?
A typical residential refrigerator draws 100-400W running and 1,200W surge. The Jackery Explorer 300 (300W continuous, 500W surge) may struggle with larger fridges. The EcoFlow DELTA Pro 3 (4,000W, 8,000W surge) can handle most fridges.
Is Li-ion or LiFePO4 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 Jackery Explorer 300 and EcoFlow DELTA Pro 3 last on a single charge?
Runtime depends on your load. At 100W draw: the Jackery Explorer 300 (293Wh) runs approximately 2.5 hours, while the EcoFlow DELTA Pro 3 (4,096Wh) runs about 34.8 hours. At 500W draw: 0.5 hours vs 7.0 hours respectively (accounting for ~85% inverter efficiency).

Related Comparisons