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Yes — lithium batteries up to 100 Wh (approx. 27000 mAh at 3.7 V) are allowed in carry-on. Checked baggage forbidden. Up to 20000 mAh is well within limit.
USB-A 5V 2.4A is standard speed (12 W), not fast charge. For 20–27 W on iPhone 15+ you need USB-C PD.
20000 mAh USB-A offers 4 iPhone charges, is flight-safe and costs less than a USB-C PD equivalent. Ideal for backpackers.
Via the input port (Micro-USB or USB-C). With 18 W charger, 10000 mAh refills in 4–5 hours, 20000 mAh in 8–10 hours.
Four blue LEDs = four levels of 25 % each. All four lit = full, one lit = under 25 % remaining.
Guide & know-how
Regular power banks at RPD — proven USB-A 5V 2.4A standard, ideal for iPhone, Android, Bluetooth headphones, cameras and any device with standard charging speed. We stock compact 10000 mAh models for 2 iPhone charges, 15000 mAh for 3 charges and 20000 mAh for travel (4 charges). All models stay under 100 Wh — that's approx. 27000 mAh and allowed in airline carry-on. Class advantage — affordable price, robust lithium-polymer cells, simple operation with LED indicator. Ships from Basel, same-day dispatch by 4 pm CH-wide, free above CHF 15, 2-year Swiss warranty. Invoice payment available (credit check by Powerpay).
For daily commuting 10000 mAh is enough — that's two full iPhone 15 charges. For weekends or camping pick 15000–20000 mAh. Look for two USB-A ports for simultaneous phone plus headphone charging and a four-level LED indicator (25/50/75/100 %).
USB-A 5V 2.4A delivers a maximum of 12 W to your iPhone — safe standard charging but slower than fast charging. Quick Charge 3.0 reaches up to 18 W on QC-compatible Samsung and Xiaomi devices. For fast charging on iPhone 15+ or MacBook you need a USB-C PD power bank — see our USB-C category.
USB-A 12 W charges the iPhone fully in about 2.5 hours, Samsung Galaxy A-series similar, older Android even slightly faster (4–5 W). The power bank itself refills in 5–7 hours via Micro-USB or USB-C input. Models with Lightning or Lightning+USB-C input let you use the same iPhone cable for power bank and iPhone.
We only stock power banks with CE marking and built-in overcharge, short-circuit and overheat protection. Robust polycarbonate housings, lithium-polymer cells (safer than lithium-ion, no leakage), no no-name knockoffs — especially for value power banks certification is critical for overnight charging safety.
Shipped from our Basel warehouse — A-Post 1–2 working days, express next business day or free pickup in Basel, Aarau or Olten. 2 years Swiss warranty, 14-day returns, recyclable packaging. Invoice payment available (credit check by Powerpay), best-price guarantee CH.
