Policy checked: September 11, 2026. Airline, airport and aviation rules can change, so confirm the latest requirements with your operating airline before traveling.
If you are flying with Philippine Airlines or Cebu Pacific, the key number on your power bank is watt-hours (Wh), not just mAh or USB-C charging wattage.
For both airlines, the current published limit is straightforward: you may bring no more than two power banks per passenger, and each one must be rated at 100Wh or less. Power banks must stay in the cabin and must not be placed in checked baggage.
The two airlines differ, however, on where the power bank may be stored and whether you may use it during the flight. China’s CCC or 3C rule is another separate issue that becomes relevant if your itinerary includes a domestic flight within mainland China.
PAL and Cebu Pacific power-bank rules at a glance
- Maximum quantity: Up to two power banks per passenger on PAL and Cebu Pacific.
- Maximum capacity: Each power bank must be rated at 100Wh or less.
- Carry-on only: Power banks must not be placed in checked baggage.
- Readable capacity marking: The Wh rating—or enough clearly marked mAh and nominal-voltage information to verify it—should be visible.
- No damaged or recalled units: Do not travel with a swollen, cracked, leaking, overheating or recalled power bank.
- CCC/3C is a separate China rule: It is relevant to domestic flights within mainland China, not an ordinary domestic flight within the Philippines.
PAL vs Cebu Pacific: what is different?
| Rule | Philippine Airlines | Cebu Pacific |
|---|---|---|
| Quantity | Maximum of two | Maximum of two |
| Capacity | Up to 100Wh each | Up to 100Wh each |
| Checked baggage | Not allowed | Not allowed |
| Storage in the cabin | Do not place in an overhead bin; keep it on your person, under the seat, or in the seat pocket as permitted by PAL | Keep in a pocket or the seat pocket; not in an overhead bin or under the seat |
| Charging the power bank | Not allowed throughout the flight | Not allowed throughout the flight |
| Using it to charge a device | Allowed except during taxi, takeoff and landing | Not allowed for the entire flight |
The last row is easy to miss. Philippine Airlines currently distinguishes between recharging the power bank, which is prohibited, and using the power bank to charge a personal device, which PAL permits outside taxi, takeoff and landing.
Cebu Pacific’s current published rule is stricter: passengers may not use or charge a power bank at any time during the flight.
Airlines may apply rules that are stricter than general lithium-battery guidance. Follow the policy of the operating airline, including on codeshare itineraries, and follow cabin-crew instructions even when they are more restrictive than the general published rule.
How to convert mAh to Wh
If your power bank already has a clear Wh rating, use that number. If it lists only milliamp-hours and the battery’s nominal voltage, calculate watt-hours with:
Wh = (mAh × V) ÷ 1,000
Use the nominal battery voltage printed on the product or in the manufacturer’s documentation. Do not automatically use the 5V, 9V, 12V or other output voltage printed beside a USB port. Those are output specifications, not necessarily the battery’s nominal cell voltage.
| Printed capacity | Example at 3.7V | Below 100Wh? |
|---|---|---|
| 10,000mAh | 37Wh | Yes |
| 20,000mAh | 74Wh | Yes |
| 25,000mAh | 92.5Wh | Yes |
| 26,800mAh | 99.16Wh | Yes |
| 27,000mAh | 99.9Wh | Yes, but very close to the limit |
| 30,000mAh | 111Wh | No |
This is why there is no universal “maximum mAh” answer without knowing voltage. A 20,000mAh figure by itself is incomplete; the watt-hour rating is what lets you compare the battery with the airline’s 100Wh limit.
Still choosing a power bank? See our Power Bank Buying Guide: mAh, Wh, PD, PPS and How Much Capacity You Really Get before buying.
Is a 30,000mAh power bank allowed?
Do not assume that it is.
At a nominal 3.7V, a 30,000mAh battery equals:
(30,000 × 3.7) ÷ 1,000 = 111Wh
That is above the current 100Wh maximum published by Philippine Airlines and Cebu Pacific for power banks.
The final check should always be the Wh rating printed on the exact product. Two power banks advertised with the same mAh number can use different nominal voltages or capacity conventions, so do not rely on a marketplace title alone.
What does “airline-approved power bank” actually mean?
There is no single universal consumer label called “airline approved” that automatically makes a power bank acceptable on every airline and every itinerary.
A seller may use that phrase to describe a battery that falls within common aviation limits, but acceptance still depends on the operating airline’s current rules, including:
- the battery’s Wh rating;
- the number of power banks you are carrying;
- whether the capacity marking is readable;
- the physical condition of the battery;
- where it is stored in the cabin;
- whether the model or batch is subject to a recall; and
- any country-specific certification rule that applies to your itinerary.
So treat “airline approved” as a seller claim to verify—not as a substitute for checking the airline’s own published policy.
What do 3C and CCC mean?
3C is a common shorthand for CCC, the China Compulsory Certification system. It is a product-certification mark used in mainland China; it is not a measure of battery capacity.
China’s Civil Aviation Administration introduced a rule effective June 28, 2025, prohibiting power banks without a clear CCC mark—as well as units from recalled models or batches—on domestic flights within mainland China.
A valid CCC mark does not replace the watt-hour requirement. The traveler must still comply with the applicable battery-capacity and airline rules.
Do PAL and Cebu Pacific require CCC or 3C?
Not for an ordinary domestic flight within the Philippines based on their current published power-bank policies.
The CCC requirement becomes relevant when your itinerary includes a domestic flight within mainland China. Cebu Pacific’s Guangzhou travel guidance also makes this distinction and reminds passengers traveling onward within China to pay attention to the 3C/CCC requirement.
If you are connecting in China, changing airports, or taking a separate domestic Chinese segment, check every airline and airport involved. An international ticket to China does not automatically tell you how a later domestic segment will be treated.
Why power banks must stay in the cabin
Power banks contain lithium-ion cells. A damaged or defective cell can overheat and, in severe cases, enter thermal runaway.
Keeping spare lithium batteries in the cabin allows passengers and crew to notice heat, smoke or an unusual smell sooner than if the battery were inaccessible in checked baggage.
This is also why airlines increasingly require power banks to remain accessible rather than buried in an overhead bag.
Pre-flight power-bank checklist
- Check the printed Wh rating and confirm that each power bank is 100Wh or less for PAL or Cebu Pacific.
- Make sure the Wh, mAh and nominal-voltage markings are readable.
- Check the manufacturer’s recall information if the model has been associated with a safety notice.
- Inspect the case for swelling, cracks, leakage, discoloration, corrosion, unusual odor or excessive heat.
- Protect the battery from accidental short circuits and follow the airline’s packing instructions.
- Carry it in the cabin. If your cabin bag is unexpectedly gate-checked, remove the power bank first.
- Keep it accessible and follow the operating airline’s exact storage instructions.
- If your itinerary includes a domestic flight within mainland China, verify the CCC requirement before departure.
- Recheck the airline’s official rules shortly before the trip because policies can change.
Frequently Asked Questions
What is the PAL power bank limit?
Philippine Airlines currently allows a maximum of two power banks per passenger, with each power bank rated at no more than 100Wh. Power banks must stay in the cabin rather than checked baggage, and their capacity markings must be clear enough to verify.
What is the Cebu Pacific power bank limit?
Cebu Pacific currently allows up to two power banks per passenger, with each one rated at 100Wh or less. They must stay in the cabin. Cebu Pacific also currently prohibits using or charging a power bank during the flight.
How many mAh are allowed on Cebu Pacific?
Cebu Pacific’s current published limit is expressed as 100Wh or less per power bank, not as one universal mAh figure. The equivalent mAh depends on the battery’s nominal voltage.
For example, at a nominal 3.7V, 20,000mAh equals 74Wh, 26,800mAh equals about 99.16Wh, and 30,000mAh equals 111Wh. Always check the Wh rating printed on the actual product.
Is a 20,000mAh power bank allowed on PAL or Cebu Pacific?
Usually, yes, provided its actual printed rating is 100Wh or less and it meets the airline’s other requirements. For example, 20,000mAh at a nominal 3.7V equals 74Wh.
Is a 30,000mAh power bank allowed on Philippine Airlines?
Do not assume that it is. At a nominal 3.7V, 30,000mAh equals 111Wh, which exceeds PAL’s current 100Wh power-bank limit. Check the printed Wh rating on the exact power bank.
What does “airline-approved power bank” mean?
There is no single universal “airline approved” consumer label that guarantees acceptance on every flight. The power bank must comply with the operating airline’s current capacity, quantity, condition, marking and storage requirements, plus any country-specific restrictions that apply to the itinerary.
Can airline approval make a power bank over 100Wh acceptable?
General lithium-battery guidance sometimes discusses airline approval for certain batteries between 100Wh and 160Wh. PAL and Cebu Pacific currently publish a stricter maximum of 100Wh for power banks, so follow their airline-specific limit when flying with them.
Can I charge my phone from a power bank during the flight?
It depends on the airline. Philippine Airlines currently permits power-bank use to charge a personal device except during taxi, takeoff and landing. Cebu Pacific currently prohibits power-bank use throughout the flight. Cabin-crew instructions always take priority.
Can I recharge the power bank from the aircraft seat outlet?
No. Both Philippine Airlines and Cebu Pacific currently prohibit recharging a power bank during the flight.
Do PAL and Cebu Pacific require a CCC or 3C-marked power bank?
Not for an ordinary domestic flight within the Philippines based on their current published rules. The CCC/3C requirement is a separate rule that becomes relevant to domestic flights within mainland China.
Does CE or FCC certification replace CCC for a domestic flight in China?
No. China’s domestic-flight restriction specifically refers to a clear and valid CCC marking. CE, FCC and other marks do not substitute for CCC when that requirement applies.
Do power banks have to stay in carry-on baggage?
Yes. Power banks are spare lithium batteries and must not be placed in checked baggage. Keep them in the cabin and follow the operating airline’s instructions about where they may be stored.
What if the Wh rating is missing or unreadable?
Do not guess from the product’s size, USB output or marketplace description. If the Wh rating is missing, the airline may need enough clearly marked mAh and nominal-voltage information to verify capacity. If the information cannot be verified, contact the manufacturer or airline before traveling.
The bottom line
For Philippine Airlines or Cebu Pacific, the simplest rule is:
- bring no more than two power banks;
- keep each one at 100Wh or less;
- make sure the capacity markings are readable;
- keep them in the cabin, not checked baggage; and
- follow the operating airline’s rules on storage and use.
The CCC/3C mark answers a different question. It matters for domestic flights within mainland China and is not currently a blanket certification requirement for ordinary Philippine domestic flights.
If your trip involves several airlines or countries, check every segment rather than relying on a single marketplace claim or general battery rule.
Official sources
- Philippine Airlines: Important Travel Advisory—Power Banks on Board
- Philippine Airlines: Restricted Items
- Cebu Pacific: Power Bank Limitations
- IATA: Passengers Travelling with Lithium Batteries—2026 Guidance
- Civil Aviation Administration of China: CCC Restrictions on Domestic Flights
- Cebu Pacific: Guangzhou Travel Guide and 3C Reminder
About the author
Noah Evermore writes research-based buying guides for EverReach, focusing on technology, compatibility, practical value and the Philippine consumer context.
