Name: EnginStar Portable Power Station 300W 296Wh Battery Bank with 110V Pure Sine Wave AC Outlet for Outdoors Camping Hunting and Emergency, 80000mAh Ba...
Brand: EnginStar
SKU: B0FJD7LCY4
Price: 199.99 USD
Availability: InStock
Rating: 4.3 (1421 reviews)

Our Verdict

EnginStar R300 Wins

EnginStar Portable Power Station 300W 296Wh Battery Bank with 110V Pure Sine Wave AC Outlet for Outdoors Camping Hunting and Emergency, 80000mAh Backup Battery Power Supply for CPAP - Portable Power Stations

It offers higher 296Wh capacity for longer use. Choose GRECELL for superior LiFePO4 battery chemistry and a rapid 1.5-hour recharge.

$200Buy on Amazon

Bottom Line: EnginStar R300 is the better choice. It offers higher 296Wh capacity for longer use.

Key Differences

The most significant spec differences at a glance

296

Battery Capacity

29% more

230

USB-A Ports

50% less

Advantages

Where each product wins

EnginStar

Battery Capacity: 29% higher (296 vs 230)

GRECELL

USB-A Ports: 50% higher (1 vs 2)

Who Should Buy Which?

Find the right product for your needs

Buy EnginStar if...

EnginStar Portable Power Station

The EnginStar R300 is ideal for outdoor enthusiasts, campers, or anyone needing reliable backup power who prioritizes slightly higher capacity and lighter weight. If you're planning longer trips or need to power a CPAP machine overnight, its 296Wh capacity offers more runtime than alternatives. Its 6.5 lbs makes it easily portable for hiking or moving around a campsite, and the 1000+ charge cycles ensure decent longevity. You're willing to invest a bit more for that extra power and portability in a pure sine wave output.

Buy GRECELL if...

GRECELL Portable Power Station

The GRECELL 300W power station is perfect for the budget-conscious user prioritizing longevity and rapid recharging. If you frequently need to top up your power station quickly before heading out, its 1.5-hour fast charging is a huge advantage. The LiFePO4 battery chemistry ensures a significantly longer lifespan compared to standard Li-ion, making it a durable investment for regular use in RVs, short camping trips, or as reliable home backup. It offers excellent value at its lower price point for its robust features.

Spec Comparison

13 specs compared

Specification	EnginStar Portable Power Station	GRECELL Portable Power Station
Price	$200	$120
Rating	4.3(1.4k)	4.6(431)
Capacity Wh	296W	230W
Chemistry	Li-ion	LiFePO4
AC Output Watts	300W	300W
Dc Ports	2	2
AC Outlets	2	2
Cycle Life	1000	—
Weight	6.5 lbs	—
USB A Ports	1	2
USB C Ports	1	1
Model Number	R300	—
Charge Time Hours	—	2.5 hrs
Peak Output Watts	—	600W
Solar Input Watts	—	60W

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Pros & Cons

Quick overview of strengths and weaknesses

EnginStar Portable Power

Pros

Lightweight 6.5 lbs for easy portability
300W pure sine wave AC output protects devices
8 output ports charge multiple items concurrently
Three recharge methods: wall, car, solar panel

Cons

Solar panel not included; separate purchase required
Max 65W input speed; slower full recharge
Requires charging every 2-3 months for upkeep

GRECELL Portable Power

Pros

1.5-hour rapid recharge with dual input.
LiFePO4 battery offers extended cycle life.
300W AC output supports small electronics.
Multiple ports power 7 devices simultaneously.

Cons

230Wh capacity limits extended runtime.
Fast charge requires separately purchased USB-C input.
300W continuous output too low for power tools.

Frequently Asked Questions

Common questions about this comparison

Which is better for extended outdoor camping trips?

EnginStar R300 is better with its 296Wh capacity, offering longer power than GRECELL's 230Wh. Both offer 300W AC output, suitable for small electronics like phones or laptops, but the EnginStar provides more total run time.

What is the main difference in battery chemistry?

GRECELL uses LiFePO4, known for superior longevity and safety, typically offering over 2500 cycles. EnginStar uses Li-ion, providing 1000+ charge cycles and often higher energy density, contributing to its lighter 6.5 lbs weight.

Which power station recharges faster?

The GRECELL unit recharges significantly faster, reaching full capacity in just 1.5 hours. The EnginStar has a slower max input speed of 65W, requiring a longer recharge time for its 296Wh capacity, typically several hours.

Which offers more available power for devices?

EnginStar has a higher energy capacity at 296Wh, allowing it to power devices for longer duration. Both provide 300W continuous AC output. GRECELL additionally offers a 600W peak output for brief surges, which can be useful.