RAVPower Luster Mini 3350

The RAVPower Luster Mini 3350 is a pocket-sized power bank built around a single 3350 mAh cell in an anodised aluminium shell, shaped more like a tube of lipstick than a typical brick battery. At 74 g and 102 × 23 × 23 mm, it disappears into a hip belt or side pocket without adding noticeable bulk, and the metal housing feels more durable than the usual plastic shells at this size. Output is limited to a single USB-A port at 5 V/2 A (10 W max), with iSmart 2.0 circuitry detecting the connected device and matching current automatically. That's enough capacity for roughly one full phone charge, making it more of a supplemental top-up than a multi-day solution — there's no fast-charging protocol, pass-through charging, or IP rating, and recharging relies on an older Micro-USB input rather than USB-C. For weekend trips or as a backup that rides in a pocket unnoticed, the Luster Mini covers one phone charge in a genuinely minimal package; anyone recharging multiple devices over several days will want more capacity.