Hands-on: Belkin’s new semi solid state batteries make for a much lighter
Belkin launched two semi solid state iPhone batteries on Amazon, offering a 220-gram 60W 10K unit for $89.95 and a 15W Qi2 5K MagSafe pack for $69.99.
By Dillip Chowdary • Oct 25, 2026 • Source: 9to5Mac
Belkin expanded its portable charging lineup by launching two semi solid state external batteries engineered specifically around modern Apple hardware. As detailed in 9to5Mac's report, the accessory maker introduced a 10,000mAh wired power bank alongside a compact 5,000mAh magnetic pack. Both units utilize semi solid state cells housed within premium aluminum enclosures that remain cold to the touch during handling. The wired 10,000mAh version provides up to 60W charging through a USB-C port and includes an integrated smart digital display showing remaining battery capacity for $89.95 on Amazon. Meanwhile, the smaller 5,000mAh option is built for MagSafe attachment, delivering 15W Qi2 wireless output for $69.99 on Amazon.
This breakdown examines the technical specifications, physical dimensions, charging rates, retail pricing, and everyday handling tradeoffs across Belkin's latest battery releases. The analysis focuses on how the transition to semi solid state cell architecture reduces overall carry weight for iPhone owners who depend on auxiliary power throughout the day. It also details the design nuances that prospective buyers should evaluate before purchasing, including device fitment nuances on newer form factors like the iPhone Duo, power distribution ceilings across both capacities, and the specific functional omissions on the magnetic unit.
Belkin’s new semi solid state batteries make: what actually changed
The primary change across Belkin's new battery hardware centers on substantial weight reduction without sacrificing total energy storage. Traditional 10,000mAh power banks typically weigh between 240 grams and 300 grams when using conventional internal structures. Belkin's new 10,000mAh semi solid state battery comes in at 220 grams, making it noticeably lighter than older options of identical capacity. Reviewing the hardware, Michael Burkhardt noted that when picking up the unit, "you’ll notice it feels so much lighter than you’d traditionally expect compared to other batteries of its capacity." Wrapped in an aluminum casing that remains cold to the touch, the device features a compact shape engineered to slide easily into pockets.
For the 5,000mAh wireless offering, Belkin focused on achieving a very thin and light profile rather than packing extraneous hardware features. The magnetic battery omits integrated kickstands or digital readouts to maintain an exceptionally slim form factor on the rear of a smartphone. Evaluating the slim profile, Burkhardt observed that the unit "takes the cake for my favorite MagSafe battery for iPhone," citing how light and thin it feels during everyday use. Like its wired companion, the magnetic pack features a sleek aluminum construction that feels solid in hand, delivering mobile charge capacity in a pocketable frame.
Belkin’s new semi solid state batteries make: how it works

Belkin's 10,000mAh semi solid state battery functions as a high-speed wired charging hub through its single USB-C connection. The port delivers up to 60W of power output, allowing it to charge smartphones, tablets, and compatible USB-C laptops at rapid rates. To keep users informed during charging sessions, the battery includes a built-in smart display that accurately presents remaining battery life as a numerical percentage. This integrated screen removes guesswork, providing direct visibility into battery reserves while managing incoming and outgoing power draw.
The 5,000mAh unit charges mobile devices wirelessly by utilizing the Qi2 standard to output up to 15W directly through MagSafe alignment. Internal magnets secure the battery firmly against the back of compatible iPhones, transferring power without requiring physical cables. Belkin streamlined the unit by avoiding secondary ports, kickstands, or built-in percentage screens, directing all cell capacity into wireless power delivery. Users monitor charging status directly through the connected phone, allowing the battery to maintain minimal bulk and straightforward magnetic operation.
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Belkin’s new semi solid state batteries make: why it matters now
Power bank technology has long struggled with the physical weight limitations imposed by traditional lithium-ion chemistry. Increasing capacity or using sturdy aluminum shells typically forced users to carry heavy, cumbersome bricks. By incorporating semi solid state battery cells, Belkin achieves a 220-gram total weight on a 10,000mAh pack, giving consumers durable aluminum construction without the customary heft of older 240-to-300-gram units. This technological shift demonstrates how solid state developments are entering commercial consumer electronics to alleviate daily carrying burdens for mobile device users.
Modern smartphone users also require higher wattage outputs to match demanding device charging standards. The 10,000mAh model's 60W output satisfies fast-charging requirements for demanding hardware, while the 5,000mAh pack provides full 15W Qi2 wireless speeds instead of slower legacy rates. Priced at $89.95 for the 10,000mAh version and $69.99 for the 5,000mAh MagSafe option, Belkin establishes competitive entry prices on Amazon for semi solid state hardware, bringing advanced battery design directly to everyday mobile consumers and travel-focused hardware enthusiasts.
Belkin’s new semi solid state batteries make: who is affected
Daily commuters, remote workers, and travelers who rely on portable power banks are the primary audience impacted by Belkin's lighter battery designs. Commuters carrying the 220-gram 10,000mAh pack gain up to 60W fast charging in a pocketable aluminum chassis that avoids weighing down jacket pockets or laptop sleeves. Meanwhile, users who prioritize lightweight MagSafe accessories benefit from the 5,000mAh model's ultra-thin silhouette, which minimizes hand fatigue during extended handheld phone use while recharging on the move throughout busy days.
However, buyers planning to use the 5,000mAh MagSafe battery with the iPhone Duo face a notable fitment compromise. When attached to the back of the iPhone Duo, the battery pack protrudes slightly from the bottom edge of the phone. While this protrusion does not hinder 15W Qi2 charging performance, it alters the lower ergonomic profile of the device. This issue affects nearly all current MagSafe accessories attached to the iPhone Duo, requiring owners of that device to consider the physical overhang.
Belkin’s new semi solid state batteries make: what to watch
Market reception and retail pricing on Amazon will serve as primary indicators for consumer adoption of semi solid state accessories. Observers will track whether Belkin maintains the $89.95 price for the 10,000mAh battery and $69.99 for the 5,000mAh model, or if seasonal promotions alter their positioning against traditional lithium-ion competitors. Long-term user feedback regarding real-world battery longevity, heat dissipation through the cold-touch aluminum chassis, and smart display reliability will also indicate whether semi solid state batteries deliver durable performance advantages over time.
The broader accessory ecosystem is also poised for physical redesigns ahead of the CES trade show next year. Manufacturers are expected to introduce revised MagSafe battery form factors engineered specifically to fit the iPhone Duo without bottom overhang. Additionally, observers will watch whether Belkin expands its semi solid state catalog to include higher capacity 20,000mAh options, integrated cables, or built-in kickstands, signaling how quickly semi solid state chemistry will proliferate across the broader consumer charging landscape.
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Belkin’s new semi solid state batteries make FAQ
How much do Belkin's new semi solid state batteries cost?
The 10,000mAh model costs $89.95 on Amazon, while the 5,000mAh MagSafe battery is priced at $69.99.
How much does Belkin's 10,000mAh semi solid state battery weigh?
The battery weighs 220 grams, which is significantly lighter than older 10,000mAh packs that typically weigh between 240 and 300 grams.
What charging speeds do Belkin's new batteries provide?
The 10,000mAh battery provides up to 60W wired charging via USB-C, while the 5,000mAh MagSafe model delivers 15W Qi2 wireless charging.
Does the 5,000mAh MagSafe battery fit the iPhone Duo cleanly?
It attaches and charges at 15W normally, but it protrudes slightly from the bottom edge of the iPhone Duo.
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Author
Dillip Chowdary
Writes Tech Bytes coverage of AI, engineering, and the tools that actually ship. Editor of Tech Pulse Daily.
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