From the brand

  2. siwiqusiwiqu

    SIWIQU starts from 2018, is a young and dynamic brand. We professional produce Steam Deck accessories and Nintendo Switch/Switch OLED accessories.

    We want you to enjoy without the inconvenience and uncertainty of where your Game time is coming from.

    Our Gamer accessories don't just service at your devices, they offer the tech experience you want with zero restrictions.

  3. Steam Deck Accessories

Product Description

steam deck batterysteam deck battery
steam deck power banksteam deck power bank
portable battery packportable battery pack

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.

steam deck battery attachmentsteam deck battery attachment

Superior Safety

Built-in intelligent control chip a can automatically identify the charging device, adjust the output current to protect the safe of battery.








  • [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.