Bancos de potência

Carregador magnético sem fio 3000mAH Power Bank Bateria externa portátil para IPhone14/14Plus/14Pro/14ProMax /13/13Pro/13ProMax /12/12Pro/12ProMax

Carregador portátil de 20000 mAh com cabo integrado e carregamento rápido PSE - compacto e portátil para viagens

Banco de energia magnético sem fio - 10000mAh ultrafino e portátil com impressão de logotipo personalizado

Mini banco de energia de 120 W, carregamento super rápido, 20.000 mAh, grande capacidade, cabo integrado, compatível com iPhone, Huawei e Android

22,5 W 10000/20000 mAh Power Bank Magnético Super Rápido Carregamento Qi PD20W Carregador Sem Fio Powerbank Para IPhone 14 Samsung Huawei Xiaomi

Mac seguro sem fio powerbank 15w bateria portatil para celular carga rápida power bank para iphone 12 13 14 15 pro max mini

Carregador portátil magnético sem fio, carregamento rápido, 10000 mAh, com suporte, energia móvel, presente

50704555550<=3 Carregador portátil de 120 W com carregamento super-rápido e tecnologia GaN, com capacidade ultragrande, encapsulamento de 2/3/50.000 mAh e tecnologia móvel.

KC Mini Banco de Cápsulas de Emergência 5000mAh de Bolso Portátil para Presente

Banco de energia de grande capacidade 50000 mAh tela espelhada display digital banco de energia móvel

Fonte de alimentação móvel PD45W de alta capacidade, carregador para laptop, bateria externa para carregamento rápido de celular.

Carregador portátil magnético sem fio ultrafino de 20.000 mAh com carregamento rápido, tela LED e dois modos de carregamento

Carregador portátil de 50000 mAh com energia solar e carregamento rápido PD, 3 portas USB, logotipo personalizado - Carregador portátil para áreas externas, ideal para camping, viagens e emergências

Festival de música 22,5 W Carregamento rápido Atacado Power Banks 10000mAh 20000mAh 30000mAh Carregador personalizado com 3 cabos integrados

Carregador portátil magnético sem fio de 10.000 mAh com cabo integrado, carregamento rápido de 22,5 W, carregador portátil para iPhone e Android, companheiro de viagem perfeito

Banco transparente novo 10000mah 3 do festival de música em 1 bancos de potência do carregador rápido customizáveis

Carregador portátil de 20000mAh/50000mAh com carregamento super rápido de 66W, PD 2.0 e saída multiporta, carregador portátil de alta capacidade (branco/preto)

Carregador portátil sem fio magnético Xiaomi de 15 W com carregamento rápido para Mag Safe, compatível com iPhone 16, 17 Pro Max, 50000 mAh.

Banco de energia pequeno e portátil para áreas externas, grande capacidade, com cabo integrado, fonte de alimentação móvel de quatro fios de 20.000 mAh, personalização para presente

50704555550<=3 Carregador portátil de alta capacidade para notebooks, com carregamento rápido PD100W, ideal para camping e atividades ao ar livre (atacado).
How to Choose the Best Power Bank Charger for Your Needs
🔌 Quick Guide: Choose in 30 Seconds
Commuting daily? Go with a 10000mAh power bank—lightweight and fits in your pocket.
Frequent traveler? A 20000mAh power bank with fast charging is your best bet.
Long trips or outdoor use? Consider a 50000mAh power bank (if you don't mind the weight).
Prefer wireless? Try a wireless magnetic power bank—but check if your phone supports MagSafe or Qi.
Flying soon? Make sure your power bank is within airline limits: under 100Wh (~27000mAh).
❓ Q: What do mAh and Wh actually mean? What's the difference?
mAh (milliamp-hours) tells you how much charge the battery stores. Wh (watt-hours) reflects total energy output.
Example:
A 10000mAh power bank = about 37Wh
A 50000mAh power bank = about 185Wh
Higher Wh means more power, but airlines restrict anything over 100Wh from being carried on board.
❓ Q: How many times can a power bank charge my phone, tablet, or laptop?
Here's a general guide (without considering energy loss):
| Power Bank | Approx. Charges for iPhone 15 (3274mAh) | MacBook Pro 13" |
|---|---|---|
| 10000mAh | ~3 full charges | ❌ Too low |
| 20000mAh | ~6 full charges | ~1 full charge |
| 50000mAh | ~15 full charges | ~2.5 charges |
(Assumes 100% efficiency; real-world use will be slightly less.)
❓ Q: So, which one should I buy?
For everyday use: A compact 10000mAh power bank charger is enough to charge your phone 2–3 times.
For travel or remote work: Choose a 20000mAh model that supports PD (Power Delivery) fast charging.
For outdoor, camping, or emergencies: A 50000mAh power bank is great—but bulky.
❓ Q: What about power bank efficiency, lifespan, and care tips?
Self-discharge: Most power banks lose 1–2% charge daily if not used.
Charging efficiency: Real-world efficiency is usually 70–85% due to heat and conversion losses.
Lifespan: On average, power banks last 300–500 charge cycles.
Tips: Avoid extreme heat, don't fully drain too often, and recharge every 2–3 months if unused.
🛫 Q: Can I bring a power bank on a plane?
Yes—but it depends on the capacity.
Most airlines allow up to 100Wh, roughly 27000mAh.
Anything over 100Wh usually needs airline approval.
For safety, airlines often allow only 1 or 2 power banks per person.
Examples in Europe:
Ryanair: Only one power bank under 27000mAh allowed.
Lufthansa, British Airways, Air France, Iberia, Alitalia: Follow EU's 100Wh rule, but may check at the gate.
❓ Q: Why are power banks restricted on flights?
Because lithium-ion batteries can overheat or catch fire if damaged, especially in high-capacity models. That's why airlines limit them and require you to carry them in carry-on luggage, never checked baggage.
🌍 Q: What's the best size power bank for travel?
Depends on your trip length:
1–2 days: 10000mAh
3–5 days: 20000mAh, especially if charging multiple devices
1 week or camping: 50000mAh power bank, or a solar-compatible version
Look for one with multiple ports, fast charging, and airline compliance.
🧲 Q: Are magnetic power banks worth it? Do they work with all phones?
Magnetic power banks, especially wireless magnetic power banks, are great for convenience—no cables needed.
Pros:
Sleek, portable, ideal for iPhones with MagSafe
Good for short top-ups on the go
Cons:
Limited to iPhones with MagSafe; many Android phones aren't compatible
Hard to use phone while it's charging
Slower charging speeds compared to wired options
❓ Q: Magnetic vs. traditional power banks—who wins?
If you value hands-free convenience and own a compatible device, go for a magnetic power bank.
For speed, compatibility, and flexibility, stick with a traditional wired charger—especially when traveling.