Belkin has announced two super-slim semi-solid-state power banks — and we’ve already had an early look at…
- Belkin has launched two semi-solid-state power banks
- These have 5,000mAh and 10,000mAh capacities and are slimmer than standard power banks with those same capacities
- They should also last longer before wearing out
Semi-solid-state batteries are one of the biggest advancements we’ve seen in consumer battery tech in years — they’re denser than lithium-ion batteries, so they can sport a higher capacity without increasing the thickness, and they also degrade more slowly. In other words: they’re a major upgrade, and Belkin has just launched two power banks with this semi-solid-state tech, which we’ve already had an early look at during IFA 2026.
First, there's the Belkin UltraCharge Pro Slim Magnetic Power Bank with BoostSolid Cell, a power bank with a 5,000mAh capacity that’s just 8.8mm thick and is around the same length and width as a standard credit card. That thickness makes it up to 40% slimmer than comparable 5,000mAh power...
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