ZMI PowerPack No. 20 review: Compact external battery can charge a MacBookThe ZMI PowerPack No. 20 (Model QB826G) is the closest thing I’ve seen in many years to the kind of outboard laptop battery popular in the days when batteries burned through stored energy as quickly as sparklers. The PowerPack No. 20’s prosaic name hides its massive output: up to 210 watts across three output ports […]
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ZMI PowerPack No. 20 review: Compact external battery can charge a MacBook
