Our Verdict
It's a Tie
Both offer similar 293-296Wh capacity and 300W AC output. Jackery recharges in 2 hours, while EnginStar provides 1000 cycle life and more DC ports.
Bottom Line: Both products are excellent choices. Both offer similar 293-296Wh capacity and 300W AC output.
Key Differences
The most significant spec differences at a glance
Battery Capacity
1% moreCharge Time
250% moreDc Ports
200% moreAdvantages
Where each product wins
EnginStar
- Battery Capacity: 1% higher (296 vs 293)
- Dc Ports: 200% higher (3 vs 1)
Jackery
- Charge Time: 250% lower (7 vs 2)
Who Should Buy Which?
Find the right product for your needs
Buy EnginStar if...
EnginStar Solar Generator, 300W
If you need a portable power station built for the long haul and require versatile DC connectivity, the EnginStar R300 is your pick. Its impressive 1000-cycle battery life ensures exceptional durability over years of use, ideal for remote cabins or emergency kits where longevity is paramount. With three DC ports, it's perfect for simultaneously powering multiple low-wattage 12V devices. This buyer prioritizes extended product lifespan and diverse output options over rapid charging speeds.
Buy Jackery if...
Jackery Portable Power Station
The Jackery Explorer 300 is perfect for the adventurer or emergency-prepper who values speed and portability. Its standout feature is an incredibly fast 2-hour recharge time, ensuring minimal downtime between uses, which is crucial for dynamic outdoor activities like camping or quick power needs during an outage. Weighing just 7.1 lbs, it's easily transportable. This buyer needs dependable, quickly accessible power for essential devices and prioritizes efficient turnaround over extensive battery cycle life or numerous DC ports.
Spec Comparison
13 specs compared
| Specification | ![]() | ![]() |
|---|---|---|
| Price | $200 | $179 |
| Rating | 4.3(1.4k) | 4.6(10.8k) |
| Capacity Wh | 296W | 293W |
| Chemistry | Lithium | Li-ion |
| AC Output Watts | 300W | 300W |
| Dc Ports | 3 | 1 |
| AC Outlets | 2 | 2 |
| Cycle Life | 1000 | — |
| USB A Ports | 2 | 2 |
| USB C Ports | 1 | 1 |
| Model Number | R300 | — |
| Charge Time Hours | 7 hrs | 2 hrs |
| Weight | — | 7.1 lbs |
| Peak Output Watts | — | 500W |
| Solar Input Watts | — | 100W |
Swipe horizontally to see all columns
Pros & Cons
Quick overview of strengths and weaknesses
EnginStar Solar Generator,
- Delivers 300W AC power with 296Wh battery capacity.
- Two 110V pure sine wave AC outlets.
- Recharges via AC, car, or 12-25V solar input.
- Rated for 1000 charge cycles.
- Limited to devices under 300W total output.
- 7-hour recharge time using AC wall adapter.
- Solar panel requires separate purchase.
Jackery Portable Power
- 80% recharge in 2 hours via dual input.
- 293Wh Li-ion capacity; 300W pure sine wave AC.
- Weighs 7.1 lbs for easy transport.
- Charges 6 devices; multiple output types.
- Solar panel not included with purchase.
- 300W continuous AC output limit.
- Capacity of 293Wh may be insufficient.
- Single USB-C port.
Frequently Asked Questions
Common questions about this comparison
Which power station recharges faster?
The Jackery Explorer 300 is significantly faster, recharging to 80% in just 2 hours with its dual input. The EnginStar R300 takes 7 hours to fully recharge using its AC wall adapter.
What's the main difference in battery lifespan?
The EnginStar R300 specifies a longer cycle life of 1000 charges, indicating better long-term durability. The Jackery Explorer 300, while also lithium-ion, does not provide a specific cycle life, but similar units are often rated around 500 cycles.
Which offers more DC output ports for flexibility?
The EnginStar R300 provides 3 DC ports for connecting multiple 12V devices simultaneously. In contrast, the Jackery Explorer 300 has only 1 DC port, offering less direct DC connectivity.
Are their capacities and AC output capabilities similar?
Yes, both are very similar. The EnginStar R300 has 296Wh capacity and 300W AC output, while the Jackery Explorer 300 offers 293Wh capacity and also 300W AC output. The difference is negligible for practical use.
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