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Ravindra-BabuR 30.2K Views
Oct 31, 2025 12:50 PM

Costco Members: Anker SOLIX C300X 288Wh DC Portable Power Station + 100W Charger

$110

$150

26% off
+ Free Shippingat Costco Wholesale
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Deal Details
Costco Wholesale has for its Members: Anker SOLIX C300X 288Wh DC LFP Portable Power Station (SOLIX-28-PS) + 100W Fast Charger on sale for $109.99. Shipping is free.

Thanks to Community Member Ravindra-BabuR for finding this deal.

Note: Non-Members may purchase but are subject to a 5% surcharge.

Features:
  • Keep all your essentials charged on the go, while camping, or even for backup power. This power bank station features 300W of total output and seven outlets, including two 140W input/output ports.
  • C300X DC features versatile ports for any type of device. Power up with a 120W car socket, two 140W USB-C ports, one 100W USB-C port, one 15W USB-C port, and two 12W USB-A ports.
  • Using paired bonus 100W charger, with exclusive ActiveShield safety technology, delivers 100W output, pumps out enough power to charge your C300X DC to 80% in 2.5 hours, so you can stay productive and fuel-up all day.
  • Carrying C300X DC by the handle, this travel-friendly power bank station is 30% smaller than other brands for accessible off-grid power.
  • Stay powered wherever you are, on adventures or at home. C300X DC has an extendable built-in light for power at night, perfect for camping or outages.
  • Connect two 140W USB-C cables (280W total) to recharge to 100% in 1.5 hours. Plug in solar panels or the included bonus 100W charger for a full recharge in less than 3.2 hours.
  • Give your devices and C300X DC a quick boost at home, on the road, or in nature. The power bank station's two-way USB-C port delivers 140W to your devices while also recharging itself.
  • This power bank station features LFP batteries rated for 3,000 cycles, ultra-durable electronics, temperature monitoring up to 100 times per second, and an impact-resistant structural design.

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • This price is $50 lower than the previous FP Deal.
    • $40 manufacturer's savings is valid 10/31/25 through 11/17/25. While supplies last.
    • Limit 5 per member.
  • About this product:
    • This power station is rated 4.6 out of 5 stars based on over 1300 Amazon customer reviews.
  • About this store:
    • If you don't have a Costco Warehouse Membership, you can sign-up here.

Original Post

Written by Ravindra-BabuR
Community Notes
About the Poster
Deal Details
Community Notes
About the Poster
Costco Wholesale has for its Members: Anker SOLIX C300X 288Wh DC LFP Portable Power Station (SOLIX-28-PS) + 100W Fast Charger on sale for $109.99. Shipping is free.

Thanks to Community Member Ravindra-BabuR for finding this deal.

Note: Non-Members may purchase but are subject to a 5% surcharge.

Features:
  • Keep all your essentials charged on the go, while camping, or even for backup power. This power bank station features 300W of total output and seven outlets, including two 140W input/output ports.
  • C300X DC features versatile ports for any type of device. Power up with a 120W car socket, two 140W USB-C ports, one 100W USB-C port, one 15W USB-C port, and two 12W USB-A ports.
  • Using paired bonus 100W charger, with exclusive ActiveShield safety technology, delivers 100W output, pumps out enough power to charge your C300X DC to 80% in 2.5 hours, so you can stay productive and fuel-up all day.
  • Carrying C300X DC by the handle, this travel-friendly power bank station is 30% smaller than other brands for accessible off-grid power.
  • Stay powered wherever you are, on adventures or at home. C300X DC has an extendable built-in light for power at night, perfect for camping or outages.
  • Connect two 140W USB-C cables (280W total) to recharge to 100% in 1.5 hours. Plug in solar panels or the included bonus 100W charger for a full recharge in less than 3.2 hours.
  • Give your devices and C300X DC a quick boost at home, on the road, or in nature. The power bank station's two-way USB-C port delivers 140W to your devices while also recharging itself.
  • This power bank station features LFP batteries rated for 3,000 cycles, ultra-durable electronics, temperature monitoring up to 100 times per second, and an impact-resistant structural design.

Editor's Notes

Written by powerfuldoppler | Staff
  • About this deal:
    • This price is $50 lower than the previous FP Deal.
    • $40 manufacturer's savings is valid 10/31/25 through 11/17/25. While supplies last.
    • Limit 5 per member.
  • About this product:
    • This power station is rated 4.6 out of 5 stars based on over 1300 Amazon customer reviews.
  • About this store:
    • If you don't have a Costco Warehouse Membership, you can sign-up here.

Original Post

Written by Ravindra-BabuR

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Top Comments

Community Reviews

Anker's C300X DC looks like a compact USB power station best suited for camping, car trips, and backup charging for phones, laptops, cameras, CPAPs, and small fridges. The 288Wh battery, 140W USB C output, lantern light, and pass through charging get strong real world praise, and the included 100W charger adds value at this price. The main limitation is that this DC version has no AC outlets, and the size is closer to a lantern than ultra portable. It is also too large for TSA flight limits, making it a practical off grid helper rather than a travel battery.

Common Questions (5)

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64 Comments

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Oct 31, 2025 4:40 PM
2 Comments
Joined Dec 2013
Monte406SSOct 31, 2025 4:40 PM
2 Comments
I have the C300 AC which includes the 3 AC plugs, otherwise basically the same thing. I love it, use it all the time. Been thinking of getting one of these for each of my kids to charge their crap. They always leave the charger in the wall with the wire on their bed or floor, know one day it will start a fire. I figure you can set a time to power off after no more charging in the app to eliminate my worries
Oct 31, 2025 4:44 PM
520 Comments
Joined Jan 2010
susanoOct 31, 2025 4:44 PM
520 Comments
has anyone confirmed this priced in the warehouse?
Oct 31, 2025 4:53 PM
17 Comments
Joined Dec 2017
arcturnerOct 31, 2025 4:53 PM
17 Comments
Quote from WiseCrayon352 View quoted comment :
Anyone have any experience with this exact model?
I have owned one for a couple of months. I like it so much that I'm buying another. This version does not have AC capability if that's important to you. At $0.38 per Wh, it feels like a heck of a good deal. That price per Wh is commensurate with the best deals I've found in the last couple of weeks on power stations available, at least up 4,000 Wh units.
1
Pro
Oct 31, 2025 5:01 PM
287 Comments
Joined Dec 2008
MannishBoy
Pro
Oct 31, 2025 5:01 PM
287 Comments
Starlink Mini power bank? Looks like a good option. I just picked a Starlink up as a backup internet connection since my wife and I both work at home, and a one day's outage will make it all worth it.

Although now that I'm off of Comcast and on Google Fiber, hopefully I'll not need it for that, and it will just be something to take as an travel connection if I know I'm going to be remote.
1
Oct 31, 2025 5:16 PM
89 Comments
Joined Jun 2010
spaceman_spiff19Oct 31, 2025 5:16 PM
89 Comments
I just picked up the Solix C300 from Amazon for $209 last week. What is the difference between the C300 and this C300X? It seems to have the same specs, but the front ports are moved around in a different layout.

edit: Nevermind, this is the C300X DC, so no AC ports on this one. Leaving this comment up in case anyone else is wondering.
Oct 31, 2025 5:25 PM
18 Comments
Joined Jan 2011
TheDMPDOct 31, 2025 5:25 PM
18 Comments
Quote from susano View quoted comment :
has anyone confirmed this priced in the warehouse?
Same price, no discount for picking it up in warehouse.
Oct 31, 2025 6:10 PM
507 Comments
Joined Jan 2008
blueis300Oct 31, 2025 6:10 PM
507 Comments
I have two of this Solix C300. and C300X is the same model except the color which is very dark grey (Black). I just ordered this one from Costco.
My use case is basically I pretty much power all the gears I have at home, 4 ppl in my house hold with few phones, tablets, macbooks, headphones, airpods, handwarmers, portable fans, electric tooth brushes, hand held massagers and etc. It's like a game for me that I only use these Solix batteries to charge all the chargeable devices I purchase through Slick Deals Smilie
I use tons of electricity at home by charging 3 tesla vehicles at home, so I am already paying tons for the electricity. So I decided to charge any other consumer electronic devices that I can charge thru USB C or A by using the portable battery packs like this Solix C300.
I work from home, remote work, at least 3-4 days a week and I visit coffee shops almost everyday, so I take one of the battery pack there with a 140W charger. I can basically charge the battery using the 140W which charges around 134W (input) to the battery, and I hook up 2 usb C cables from the battery which supports pass thru charging to charge my company laptop and my phone. So while I work at a cafe for about 3 - 4 hours, the battery pack is charge to full and my laptops and the phone are charged full, which makes me that I made money charging things off of a coffee shop.
I needed at least two of these battery packs for the weekend use to charge everything when I don't go to a cafe to charge. My household uses one whole battery from 100% to 0% a day. I believe this Solix C300 is equivalent to 90,000 mah capacity.

Some people say that the cost of the battery pack will cover the electricity used at home, but I just like this way better that makes me feel I earn/make money when I am charge the battery packs for free outside of my home. Well, this is just me.

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Oct 31, 2025 6:14 PM
103 Comments
Joined Jan 2025
SkillfulSnake326Oct 31, 2025 6:14 PM
103 Comments
Quote from iandyli View quoted comment :
I'd definitely get this if it was TSA approved for flight travel. However, it's almost 3x over TSA's limit of 100 Wh per battery.

https://www.faa.gov/hazmat/packsa...-batteries
Yeah, it's a bummer. Half the places I would use it I would take a plane to get to, so when I travel I just bring some smaller packs that I carry on. But I get it... I have seen some YouTube videos of people lighting up power stations like these and it would not be pretty mid-flight.
Oct 31, 2025 6:47 PM
237 Comments
Joined Aug 2011
fanofmets12Oct 31, 2025 6:47 PM
237 Comments
I would like to get one of these, but I want one with AC power also. At least one outlet
Oct 31, 2025 7:06 PM
153 Comments
Joined Nov 2021
GreyRiver787Oct 31, 2025 7:06 PM
153 Comments
Quote from BravePenguin9937 View quoted comment :
Does this fall under electronic return policy of 90 days?
it does not its only 14 days confirmed with costco rep today. Still got one coz I normally dont return anything.
2
Oct 31, 2025 7:29 PM
4.3K Comments
Joined Jul 2006
budsterOct 31, 2025 7:29 PM
4.3K Comments
Quote from GreyRiver787 View quoted comment :
it does not its only 14 days confirmed with costco rep today. Still got one coz I normally dont return anything.
There's no such thing as a 14 day return policy at Costco.
Oct 31, 2025 7:38 PM
153 Comments
Joined Nov 2021
GreyRiver787Oct 31, 2025 7:38 PM
153 Comments
Quote from budster View quoted comment :
There's no such thing as a 14 day return policy at Costco.
Yes you would know better than Costco rep I guess
1
3
Oct 31, 2025 8:00 PM
401 Comments
Joined Dec 2007
gan911Oct 31, 2025 8:00 PM
401 Comments
Oct 31, 2025 8:06 PM
3.4K Comments
Joined Aug 2004
smithmalOct 31, 2025 8:06 PM
3.4K Comments
Quote from fanofmets12 View quoted comment :
I would like to get one of these, but I want one with AC power also. At least one outlet
Feel the same way. This model's use case is too limited if/when a power outage occurs due to a lack of AC plugs.

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Oct 31, 2025 9:06 PM
130 Comments
Joined Nov 2018
techswreckOct 31, 2025 9:06 PM
130 Comments
Quote from arla-sd View quoted comment :
Powering a CPAP either during a power outage or while car camping. Running direct from DC uses about half the power as double-converting through AC, so will give about twice the run time. I imagine I'll also use it to charge devices and maybe also for the lantern.
You can get 4 night with dream station cpap. No humidifier or heated tube though. I love it.

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