✈️ Changi Airport / Singapore Airlines / Scoot Power Bank Wh Guide
| Power Bank Rating | Watt-Hours (Wh at 3.7V) | Cabin Bag Allowed? | Checked Luggage Allowed? |
| 10,000mAh | ~37Wh | ✅ Yes (Cabin only) | ❌ Strictly Prohibited |
| 20,000mAh (e.g. Vention 45W PD) | ~72–77Wh | ✅ Yes (Under 100Wh limit) | ❌ Strictly Prohibited |
| 27,000mAh | ~99.9Wh | ✅ Borderline (Check printed Wh label) | ❌ Strictly Prohibited |
| 30,000mAh+ | ~111Wh+ | ⚠️ Airline approval required (100–160Wh) | ❌ Strictly Prohibited |
Crucial onboard rule: Even when your power bank is under 100Wh, Singapore airlines prohibit using or charging power banks during the flight. Keep it switched off in your cabin bag.
❓ Frequently Asked Questions (Singapore Shoppers)
Q: Can I bring a 20,000mAh power bank on Singapore Airlines or Scoot flights?
Yes. A typical 20,000mAh power bank (at 3.6V–3.85V internal cell voltage) equals roughly 72–77Wh, which is well below the 100Wh cabin baggage limit. Always make sure the Wh rating is clearly printed on the casing.
Q: Can you use a power bank during a flight departing Singapore?
No. Singapore carriers prohibit using a power bank to charge phones/laptops—or recharging the power bank itself—while onboard the aircraft.