Belkin unveils Qi2 battery packs using new solid-state 'BoostSolid' cells

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Belkin announced two new magnetic Qi2 battery packs at IFA 2026, the UltraCharge Pro Slim and UltraCharge Pro 10K, built around what the company calls BoostSolid Cell technology, a semi solid state battery design using an internal gel layer alongside the standard liquid electrolyte. Belkin says the approach delivers up to three times the lifespan of typical magnetic power banks while allowing for a notably slimmer physical design than earlier generations

Both models are certified for 15W Qi2 wireless charging. The Slim version holds 5,000mAh in a compact, pocket friendly form factor, while the larger 10K model doubles that capacity and adds a real time display showing battery status and charge alerts, along with the ability to hit 60W wired charging from a single port, enough to handle larger devices beyond just a phone. Semi solid state battery technology has increasingly drawn interest across the broader consumer electronics industry specifically for its combination of improved safety margins and longer usable lifespan compared to conventional lithium ion cells

Belkin has been a Wireless Power Consortium partner since 2015 and was among the first accessory makers certified for the newer Qi2.2 standard, positioning the company as an early mover on emerging wireless charging technology generally. Curious what people think about semi solid state battery tech specifically making its way into everyday accessories like this, is this a genuinely meaningful upgrade worth paying attention to, or more of an incremental improvement dressed up in new marketing language

Belkin says its new 'BoostSolid' Qi2 batteries last 3x longer than your other magnetic power banks9to5google.com

[Chris27]

Three times the lifespan claim is a genuinely bold number worth independent verification once real world reviews actually start coming in, marketing claims about battery longevity have historically not always held up under real usage