Power Bank Buying Checklist: TOP 5

Power Bank Buying Checklist: TOP 5

An elevator door printed with half of "TOP 5" on each side dings open, and a slim power bank floats up against a tomato-red wall. As the 5 4 3 2 1 on the button panel light up one by one, each beat gets a check: charge indicator, slips right into a pocket, simultaneous charging, built-in cable. After a breathless "And number 1 is…", the ground-floor door opens to reveal not a product but my own phone — the cable clicks into the port, a 🛒 button that wasn't on the panel appears, and "Shopping cart floor!"

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