SiWiQU

SiWiQU Battery Pack Replacement Compatible with Steam Deck Console

Name: SiWiQU Battery Pack Replacement Compatible with Steam Deck Console, 42Wh High Capacity Internal Battery for Steam Deck Accessories, with Installation
Brand: SiWiQU
SKU: B0CLXLM6VQ

Bottom line: The SiWiQU Battery Pack Replacement Compatible with Steam Deck Console: Rated 40-42Wh at 7.7V nominal, listed as matching the stock Steam Deck battery capacity; main trade-off: installation adhesive and adhesive remover not included.

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By Mike Perry, Founder & Editor-in-Chief · Listing data updated 2026-10-05

Mike Perry — Hardware researcher since 2014. For retro and handheld gaming devices, synthesises manufacturer specs and independent reviews rather than first-hand lab testing. Core beat: GPU performance across gaming, rendering, and local-LLM inference. About the author →

Pros & Cons

Pros

✓ Rated 40-42Wh at 7.7V nominal, listed as matching the stock Steam Deck battery capacity
✓ Tool kit includes Phillips #1 and #0 drivers, opening pick, tweezers, 4 pry bars, 2 spudgers
✓ Two strips of double-sided tape included for mounting the new pack
✓ 12-month warranty plus a 30-day free replacement window
✓ Manual in five languages, with an installation video for reference

Cons

✗ Installation adhesive and adhesive remover not included
✗ Listed cells (5313mAh x2 + 1400mAh x2) total 13426mAh, not the 13800mAh claimed
✗ Capacity quoted as a 40-42Wh range rather than a single rated figure
✗ Listing does not say whether it fits the LCD model, the OLED model or both

SpecPicks Verdict

SpecPicks scored SiWiQU Battery Pack Replacement Compatible with Steam Deck Console using a rating × review-volume × price-fit model applied to published specs and reviews across the handheld consoles category. SiWiQU's handheld consoles lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for handheld consoles of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

Work for Steam Deck -- This battery is compatible with Steam Deck console. Replace old or worn Steam Deck battery with low capacity, bring life back to your Steam Deck. Replace your aging original battery and enjoy the same gaming time as a new steam deck console.
Higher Rated Capacity --This battery pack for steam deck is made of high-quality Li-ion battery cell. The advanced technology makes this replacement battery capacity up to 40-42Wh 13800mAh(5313mAh*2+1400mAh*2). The Nominal Voltage is 7.7V. This steam deck battery bank has the same capacity as your original battery, higher than most third-party batteries. Enjoy the same feeling as you were using for the first time.
DIY Tool Kit --The tools we provide: 1* steam deck replacement battery bank, phillips one and zero driver, an opening pick, a tweezer, 4 pry bars, and 2 small plastic shovel, 2* doulble-sided tape(*NOT* included Installation adhesive and adhesive remover). We also provide operation manual in five languages for you.You can refer to the product manual and installation video to replace your steam deck battery.
Quality & Security --All steam deck battery bank are certified by CE, FCC, UL, RoHS for safety. Each battery comes with a tested under strict quality control standard, no memory effect, over-charge, over-discharge, over-heat, over-current and short-circuit protection. You can use SiWiQU replacement battery with confidence.
Satisfactory After-Sales Service -- We provide 24-hour quick reply,30-Day free & replacement and 12 month warranty for this steam deck battery. If there are any problems with quality or have any questions about the replacement process, customer service ensures that an ideal solution will be given to bring your smile back.

Full Specifications

Brand	SiWiQU
Voltage	7.7 volts
Model Name	AB08
Unit Count	1 Count
Reusability	Rechargeable
Model Number	AB08
Battery Weight	15 g
Antenna Location	Please refer to the operation manual and installation video to replace
Battery Capacity	13800 amp_hours
Battery Cell Type	Lithium Polymer
Number of Batteries	1 Lithium Polymer batteries required. (included)
Warranty Description	1 year
Compatible Phone Models	Steam Deck
Battery Cell Composition	Lithium Polymer
Recommended Uses For Product	Please refer to the operation manual and installation video to replace
Full listing title	SiWiQU Battery Pack Replacement Compatible with Steam Deck Console, 42Wh High Capacity Internal Battery for Steam Deck Accessories, with Installation Tools Kit [7.7V 5313mAh2+1400mAh2 ]

Ready to buy?

SiWiQU Battery Pack Replacement Compatible with Steam Deck Console, 42Wh High Capacity Internal Battery for Steam Deck Accessories, with Installation Tools Kit [7.7V 5313mAh*2+1400mAh*2 ] is vintage hardware; the used and vintage market on eBay carries most of the live inventory. Prices and condition vary by seller and move in real time, so we link the live listing rather than quote a cached price. It also has an Amazon listing — check it for current price and availability. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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