External batteries & Powerbanks: autonomy, compatibility and safety

Our power banks focus on theuseful power(USB-C PD 20–65 W), thecompatibility(iPhone, Samsung, tablets)
and thesecurityChoose a capacity that suits your pace: 10,000–20,000 mAh covers the essentials, 30,000 mAh for long days.
The modelsQi2/MagSafeoffer the ideal magnetic alignment for iPhone 15-17. For travel, aim for <100 Wh and carry a
charger/cablesuitable for enjoying full speed.

Need help? Check out our
External Batteries & Powerbanks guide,
the memomAh ⇄ Wh
and ourTop 5 2025.

FAQ — External Batteries & Powerbanks

Power bank on planes: what are the rules?
Batteries/power banks travel incabin baggage only.
<100 Wh: generally allowed without approval. 101–160 Wh: company approval (often max 2).
>160 Wh: prohibited. Memo:Wh = (mAh × 3.7) / 1000.
Qi2 vs MagSafe: is it compatible?Qi2adopts MagSafe-type magnetic alignment and delivers up to 15-25W depending on the compatible device.
Look for the logoQi2for guaranteed compatibility.
What power (W) should I choose?
20-30W is sufficient for most smartphones. 45-65W is for USB-C PD-enabled tablets/ultrabooks.