If you have ever found yourself frustrated by how long your device takes to charge — even after purchasing what was advertised as a "fast charging" power bank — you are not alone. In Malaysia, where smartphones are essential for navigation, mobile payments, social media, streaming, and work-related tasks, efficient charging has become a daily necessity. Today, with more devices supporting ultra-fast charging and USB-C quickly becoming the standard, understanding a power bank’s wattage is more important than ever.
However, terms such as 18W, 20W, or 65W can often seem confusing or overly technical. Concepts like wattage, power delivery, and PD fast charging may sound complicated at first glance.
This guide will provide you with a clear understanding of what they mean. By the end, you will be better equipped to choose the appropriate power bank wattage that suits your device and lifestyle needs.
Editor
Mae An NG chevron_right
Table of Contents
What Even Is Wattage?
Let’s get nerdy, but not too nerdy.
Wattage (W) is the measure of how fast power can flow from your power bank to your device.
- Low wattage means slow charging
- High wattage means fast charging
The wattage is calculated by multiplying volts (V) and amps (A). But don’t worry about the math, just know that the higher the wattage, the faster your device should charge.
Common Power Bank Wattage Levels
Choosing the right watt level ensures faster charging, greater efficiency, and better compatibility with your devices. In this section, we’ll break down the most common wattage options available and help you decide which one best fits your lifestyle and tech needs.
18W Power Banks – Good for Daily Phone Charging
18W used to be the gold standard for fast charging a few years back. It still works great for most smartphones, especially budget and mid-range models.
What can it charge efficiently?
- iPhone 11 to 13 series
- Most Android phones (like Samsung A-series, Xiaomi, Realme)
- Wireless earbuds and fitness trackers
Charging Time Estimate
- Charges an iPhone 13 from 0-50% in around 30 minutes
- Full charge in about 1.5 to 2 hours, depending on battery size
If you’re using older power banks with 10W or less, upgrading to 18W already makes a big difference, especially when you’re out and about in KL or Penang during long commute days.
20W Power Bank – Among the Top Picks
This is probably the minimum you should look for this year. Many new phones support 20W fast charging, and some power banks even support Power Delivery (PD), which means they can intelligently adjust the output for different devices.
What can it charge efficiently?
- Newer iPhones
- Mid-range Androids
- Nintendo Switch (in docked mode, not so much — more on that later)
Charging Time Estimate
- 0-50% in around 25–30 minutes
- Full charge in 1.5 hours or less
Why It’s Popular Now
More brands like Anker, Baseus, and UGREEN are releasing compact 20W PD power banks under RM150. Super value, small enough to fit your bag, and compatible with your USB-C cable.
30W – 45W Power Banks – The Multi-Device Chargers
If you’re the kind who carries two phones and a tablet (or a phone + Steam Deck + earbuds), then this is the level to aim for.
What can it charge efficiently?
- iPad Pro, iPad Air (which need more power than phones)
- MacBook Air M1/M2 (slow but steady)
- Steam Deck or ASUS ROG Ally
- Flagship Android phones
Pros
- Enough power to charge two devices simultaneously
- Ideal for travelers or freelancers working remotely at cafes (hello, Subang Jaya peeps ð
Cons
- Slightly bulkier than smaller power banks
- Might cost RM200-RM300 depending on brand and capacity
65W Power Banks – For Laptops and More
Now we’re entering laptop territory. If your power bank says it supports 65W, it’s strong enough to charge most USB-C laptops.
Who is this for?
- You're a student or remote worker hopping between coffee shops and uni
- You're a digital nomad
- You want to carry one power bank for your laptop, phone, and tablet
Devices it can handle
- MacBook Pro, MacBook Air
- Gaming phones l
- iPad Pro 12.9"
- Steam Deck and similar handhelds
If you’re planning to travel overseas, 65W power banks are super helpful at airports or long bus/train rides. Just make sure it meets airline requirements (most airlines allow up to 100Wh capacity — we’ll explain this below).
Can I Bring High-Wattage Power Banks on a Plane?
Airlines are not strict about the wattage; they care about the watt-hour (Wh) rating. Here’s how it works:
- Most airlines allow power banks up to 100Wh in carry-on
- A 20,000mAh power bank at 5V = 100Wh, which is the maximum allowed
So, even your 65W power bank is fine as long as it’s under 100Wh. Always check the label or manual.
Power Bank Trends in Malaysia 2025
Here’s what we’re seeing in local stores and online:
- More USB-C, less Micro-USB
- MagSafe-compatible wireless power banks are gaining popularity among iPhone users
- PD 3.1 and GaN (Gallium Nitride) tech allow for smaller, faster, more efficient charging
- Brands like Anker, UGREEN, and Aukey are still strong, but local brands like Pineng and Yoobao are offering solid value-for-money picks.
Why Wattage Matters More Than Just Capacity (mAh)
Many look at mAh (milliampere-hour) first, which tells you how much charge the power bank can hold. But wattage is just as important because it affects charging speed. A power bank with a big mAh but low wattage will charge your device slowly.
For example, a 10,000mAh power bank can charge a typical phone about 2 times, but if it only outputs 10W, it will take longer to charge your phone compared to an 18W power bank.
How to Choose the Right Wattage for Your Needs
- If you only charge your phone once a day and don’t mind waiting, a power bank with 10W to 18W is fine.
- For faster charging and multiple devices like phones and tablets, go for 18W to 25W power banks.
- If you carry a laptop or power-hungry devices, pick a power bank with 65W or more.
Also, look for power banks with Power Delivery (PD) or Quick Charge (QC) technology. These ensure your device charges safely and quickly.
So Which Wattage Should You Choose?
Here’s a quick breakdown based on your lifestyle:
|
User Type |
Recommended Wattage |
|
Casual user (WhatsApp, TikTok) |
18W – 20W |
|
Multi-device user |
30W – 45W |
|
Laptop + phone user |
65W |
|
Gamer (Steam Deck/ROG Ally) |
45W – 65W |
|
Traveler/Backpacker |
20W – 30W (slim & airline safe) |
Extra Tips
- Our hot tropical climate means your power bank should have good thermal protection to avoid overheating.
- Choose a power bank with multiple ports if you want to charge more than one device on the go.
- Check online stores like Shopee or Lazada for deals, but always buy from trusted brands.
- Don’t just chase big mAh numbers. Balance capacity with wattage for the best experience.
Final Thoughts
Wattage might seem like just another number printed on the box, but it makes a huge difference in how you use your gadgets every day. Whether you’re powering through your 9-to-5, binge-watching K-dramas, or jalan-jalan overseas, having the right power bank wattage can be the difference between “Eh, got 10% left only!” and “Let’s go another round!”
So, what wattage is powering your day right now? Are you still stuck on 10W? Or have you leveled up to a 65W beast?
Stay powered up!