query_stats Price history & deal verdict

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

Current price

$138.69$159.99

Price as of September 2, 2026, subject to change.

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Current low$138.69Amazon

90-day avg$133.97historical SKU average

Today vs avgAt baselinestable pricing

Last checkedSep 2confirm at checkout

check_circleFair Market PriceVerdict: Fair Price / Set Alert

Priced Near 90-Day Baseline

Currently selling near its 90-day average ($133.97). A reasonable buy if you need it today; otherwise, consider setting a drop alert below for the next seasonal dip.

180-Day Price RangeCurrent: $138.69

All-Time Low$129.9890-Day Avg$133.97180-Day High$159.99

shopping_cartBuy at Amazon ($138.69)notifications_activeSet Drop Alert

storefront Merchant comparison

Best buying options

Merchant rows include current price, subscription price where available, unit cost, and shipping notes.

AmazonAmazon link-only offer. Price may change at checkout.In stock signal

$138.69current

$159.99list

-subscription

$138.69 / Wh

View deal

Price as of September 2, 2026, subject to change.

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timeline Price history

90-day price movement

Current best$138.69up from $129.98

Range low$129.98Jul 26

90-day avg$133.97current is above average

Jun 1490-day avg $133.97Sep 12

Current best price is $4.72 above the 90-day avg. Chart starts at Jun 14 because that is the earliest observed point in this window. Recent range: $129.98 to $138.69.

straighten Unit economics

Check weight and port selection

Verify unit weight, USB-C PD wattage, and solar input voltage limits before purchasing.

$129.98 / WhCurrent one-time unit price

1 WhTracked package size

$/Whcompare price per watt-hour capacity

info19897% above category avg ($0.65/Wh)

Higher unit cost ($129.98/Wh) than category baseline ($0.65/Wh). Typical for ultralight materials (dyneema/titanium), premium LiFePO4 cells, or expedition ratings.

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shieldGuard Price ($117.89)notificationsAlert below $131.76 Back to category

exploreField Gear Analysis

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 In-Depth Field Review

Everyday Baseline: Reliable Availability at Market Value

The 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 is currently available at $138.69, aligning closely with its 90-day baseline average of $133.97. At $129.98 / Wh, the product maintains a stable cost-per-use profile. While there is no immediate flash discount active today, EnginStar Portable remains a recognized standard in the Power Stations market known for field reliability, robust weatherproofing, and dependable warranty support.

💡 OutdoorPriceWatch Expedition Buying Strategy:If your current gear remains serviceable, we recommend setting a price alert to be notified when the next price drop occurs. For immediate expedition requirements, purchasing at current market rates provides verified gear backed by full manufacturer guarantees.

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Key Advantages

Favorable price-to-performance ratio: priced at $129.98 / Wh in the Power Stations category.
Rugged brand pedigree: EnginStar Portable uses field-tested materials designed for demanding backcountry environments.
Consistent market pricing: avoids extreme price gouging typical during peak summer and fall camping seasons.
Packability & field utility: balanced weight-to-performance characteristics for ultralight trail & emergency backup.

info

Things to Consider

Pack space & weight considerations: verify the packed dimensions fit your specific backpack or vehicle cargo configuration.
Seasonal price fluctuations: outdoor gear pricing fluctuates heavily between shoulder seasons; setting a price alert is recommended.

terrainExpedition Suitability & Field Specs

Activity: Ultralight Trail & Emergency Backup

Category: Portable Power & Off-Grid Energy

Spec Size: 1 Wh

Calibrated for off-grid cyclical charging. To maximize cycle longevity, store at 50-80% capacity in temperate conditions and recharge every 3 to 6 months during off-season downtime.

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Frequently Asked Questions about 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

Is $138.69 a good price for 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?

At $138.69, this item is currently priced at its standard historical market baseline ($133.97). It offers reliable everyday value, though bargain hunters may wish to set a price alert for the next promotional markdown.

What is the unit cost of 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?

The normalized unit cost for this 1 Wh package is $129.98 / Wh. Tracking cost per unit allows backpackers and campers to accurately compare value across different sizes, capacities, and technical specifications.

How can outdoor enthusiasts save money on EnginStar Portable Power Stations?

To maximize savings, look for off-season clearance events (early spring and late autumn), compare multi-vendor prices, and utilize OutdoorPriceWatch to track historical price floors so you buy during promotional dips rather than at peak retail.

What outdoor activities is this EnginStar Portable gear designed for?

This product is optimized for Ultralight Trail & Emergency Backup within the Portable Power & Off-Grid Energy category. It is engineered to deliver reliable weather resistance, field longevity, and high consumer satisfaction.

Trail Guides & Math