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Kuxiu’s new slimmer semi-solid state 10K power bank also has an upgraded display.
The new S4 looks like a major redesign of the 10,000mAh S3 power bank we tested last December. The S4 is over a millimeter thinner and 31 grams lighter while still capable of wirelessly charging phones at 25W Qi2.2 rates. The S3’s built-in USB-C cable is gone, but the S4 is cheaper as a result at $89.99.
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