SiWiQU Portable Power Bank Compatible with Steam Deck, 20000mAh Detachable External Battery Pack 45W Fast Charging for Steam Deck, MacBook, iPad, Dell, HP, Notebook, Samsung, iPhone, Switch and More
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This item is eligible for return within 30 days of receipt
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
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Availability:
Only 5 left in stock, order soon!
Arrives
Friday, Oct 31
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Features
- [Detachable Back Mount Design] SIWIQU 45W 20000mAh Attached Power Bank Specifically Designed Only for STEAM DECK. With Detachable Back Mount, you can slide the power bank to the back of the Steam deck for charging. Enjoy more time playing the Steam Deck in an easier way! This power bank will not fall even you shake your Steam Deck vigorously.
- [20000mAh Capacity with 45W PD Fast Charge]: Built-in 20000mAh rechargeable battery charges your steam deck 1.8 times. Enjoy lightspeed full recharge in only 1.75H via the potent USB-C port. Pair with a 45W charger to minimize unwanted waiting.
- [Great Compatibility] This external battery is designed for your steam deck. But it can also charge your other USB-C-port phone or iPad as a 45W high speed charger. The package come with a short right-angle USB-C cable and another longer 3.2FT USB-C cable.
- [Smart LED Indicators]: The LED power indicators on power bank show exact power and status of charging, no more guessing the power left, you'll never forget to recharge for this power bank. Note: This battery is charged with a USB-C Cable, and is not compatible with protective case.
- [Superior Safety]: SIWIQU portable power bank has overcharge, overdischarge, overcurrent and short circuit protection to protect the safety of your Steam Deck. Built-in intelligent control chip a can automatically identify the charging device, adjust the output current to protect the safe of battery. Welcome guide, 18-month warranty and friendly customer service.
Connector Type: USB Type C
Brand: SiWiQU
Battery Capacity: 20000 Milliamp Hours
Special Feature: Portable, Overheating Protection, Fast Charging
Voltage: 5 Volts
Product Dimensions: 7.1 x 4.3 x 2.5 inches
Item Weight: 1.37 pounds
Item model number: SD07
Batteries: 1 Lithium Polymer batteries required. (included)
Special features: Portable, Overheating Protection, Fast Charging
Other display features: Wireless
Manufacturer: SiWiQU
Country of Origin: China
Date First Available: June 17, 2023
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Friday, Oct 31
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Got this for my partner for his steam deck. The steam deck alone can fun out of battery very fast. This has really helped extend the battery life so that he doesn’t have to have it constantly plugged in and take it on the go. It’s a good value for the money.
Reviewed in the United States on July 1, 2025 by Evelyn Henderson
Pretty nice quality wasnt expecting to be as nice for the price but it works and the charging speed is as advertised with the power of the brick. The battery holds what it claims. I just wish it came with a sticky back you could use universally instead of be proprietary to the one bank but i cant complain about that.
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Reviewed in the United States on June 7, 2025 by Customer
I bought this for when I travel long distances and so far it hasn't burned my house down. It comes with a clip that snaps onto the Steam Deck that has holes cut out so the ventilation holes aren't covered. The included right-angle USB-C cable allows you to connect the battery to the Steam Deck while clipped on, but isn't that long and wouldn't allow it to be an effective power bank for other devices without a longer one. The battery slides onto the clip on the back of the Steam Deck, and the clip itself is thin enough so that it doesn't have to be removed to fit with the device inside the official case. A slight buyer beware as the Steam Deck won't fit into the official dock as long as the clip is on, so you'll have to remove it before docking the device.
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Reviewed in the United States on January 25, 2024 by Edwin Chavez
The steam deck power bank clips to the back of your steam deck and is surprisingly not as heavy once it’s attached! Power bank was able to give me about 2.5 extra hours of game time (charging while playing a very hefty game) so you’re probably able to get even more out of it by letting it charge! The power bank fully charged my steam deck by the time it ran out of juice, leaving me with a whole couple hours left to game afterwards. I wouldn’t recommend this power bank if you actively use a case or vinyl skin for your steam deck though. The clamp is not adjustable, so it can damage your skin or just not work with a case on. However the power bank can be used as a regular bank as well without being attached, and if that works for you, then go for it! I WOULD recommend this if you don’t have a case or skin on your steam deck and wanted a more “portable” but functional power bank! The power bank can be used on its own as a regular portable charger. It only has one usb-c port so keep that in mind! Overall, this is a lovely item despite a minor design flaw. It’s a very powerful power bank, and that’s what matters in the end! I highly recommend.
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Reviewed in the United States on December 11, 2023 by Lizz
Honestly this power bank has no flaws, It works great with my steam deck. But it works just the same with my switch and my galaxy zflip 4 so I keep it in my purse for whenever I need a charge!! Charging is fast and it's not too big to just pop it in a purse or a backpack. It comes with two chargers, one for when you're using it with your steam deck and the other is just a regular charger, it also come with a clip to easily clip on your steam deck so you can use the charger while you're on the go with your steam deck! If you're scared that clip will overheat your steam deck, it most definitely will not, it has a cut out where the vent is specifically made to make sure your steam deck doesn't overheat. I will definitely be using it everyday! It's definitely worth the buy even if you don't have a steam deck.
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Reviewed in the United States on January 6, 2024 by SushiiPrxncess SushiiPrxncess
I bought it for my Steamdeck, but I don't get it, it works well on 100%, but when the LED shows 75% of charge it goes to 0% in less than 3 minutes, Is it broken? or is this the way it works?
Reviewed in the United States on December 26, 2024 by Danny Ruan
Fits the steamdeck without a protective cover so I bought a cover I liked and cut the top off the bracket, I left the bottom as a guide to make sure it lined up with original mounting, I then super glued the battery mount to the case. It allows me to take the battery off and still provide protection for my steamdeck. Only downside is I can't remove the bracket or if I need to replace the case I'll have to try and strip the glue to move it or buy a new battery. I've used it for almost a year now.
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Reviewed in the United States on June 14, 2024 by Kodiak Kodiak
Casing cracked on the back. Don't know why or if it's still safe to use. Only had it for a few weeks
Reviewed in the United States on April 12, 2025 by Spencer andrle