7.5W vs. 15W: Why Upgrading to a Qi2 Power Bank Doubles Your Charging Speed
Since the initial debut of Qi1 back in 2010, wireless charging has evolved leaps and bounds. As time has passed, user expectations have matured, and wireless charging has had to step up. The introduction of Qi2 brings more than just convenience; it features precise magnet alignment and efficient, safe charging. As more and more phone manufacturers are rolling out Qi2, accessories—such as power banks—are becoming an everyday necessity for those looking to power up on the go.
In this blog, we’re breaking down Qi2: why it matters, whether or not it’s worth upgrading from Qi1, and what to look for when upgrading your power bank to Qi2.
What Is Qi2 Wireless Charging—and Why Does It Matter?
Qi2 wireless charging is the follow-on from Qi1 and the new standard created by the Wireless Power Consortium. It uses the same principles as Qi1 in that the charging pad generates an electromagnetic field, and the coil in your device receives this as usable energy. Qi2 stands apart with its ability to deliver 15 watts of unbeatable power, which is a huge jump from 7.5W in Qi1.
The main upgrade—besides doubling the charging speeds—is that it features a universal magnet alignment ring, so your phone snaps perfectly into place every time. This reduces interruptions while charging and ensures reliable power, while minimizing energy loss, making it a worthwhile upgrade across the board.

How Qi2 Improves the Wireless Charging Experience
Qi2 brings double the charging speeds of Qi1, so if you’re someone who leads a busy lifestyle and really values their time, this is a huge upgrade. One of the biggest improvements is in the magnet alignment. Qi2 has taken a leaf out of Apple’s book and recreated what MagSafe did so well: super-strong magnets that make energy flow seamless and reduce the amount of energy lost. There’s less shuffling and readjusting; instead, the device should accurately snap into place and stay firmly attached to your charging device. The result? Fast, more efficient charging, less likelihood of overheating, and safer long-term battery health. Sounds good to us!
Convenience is something we all value, so whether you need to stay topped up while you work from home, or you like to recharge on your commute, Qi2 can help you reach full battery effortlessly.
EcoFlow RAPID Pro X Power Bank
What to Look for When Upgrading to a Qi2 Power Bank
If you’re considering upgrading to a Qi2 power bank, there are a few things to consider. First of all, and probably most importantly, make sure the accessory is Qi2-certified. It will usually state on the product page on the manufacturer’s website that the item is Qi2 or has wireless charging compatibility.
Ensure the power bank is from a reputable company. If you buy one from an unreliable third-party manufacturer, you run the risk of the device not working correctly with your phone. Cheap alternatives could result in the magnets not aligning properly and interrupting your charging. This may cause your phone to heat up, and can impact your battery life expectancy.
The EcoFlow RAPID Mag Power Bank is ideal for anyone on the hunt for a powerful, convenient Qi2 power bank. Just attach it to the back of your device and go. It uses ultra-strong 11N magnets to keep your device connected, whether you’re on a busy commute or your daily jog. Or if you’re in need of more powerful backup, you could use a portable power station for whole-home backup and power not just your phone, but your entire home. You can even charge it with solar for sustainable, efficient power.

Frequently Asked Questions
What Is the Difference between 7.5W and 15W Charging?
The difference between 7.5W and 15W is mainly speed. The higher wattage means faster charging speeds, so you have less downtime waiting for a full battery. 15W chargers use Qi2, meaning you have better magnet alignment, resulting in stronger, more reliable power.
Is Qi2 Compatible with Older Qi Devices?
Yes, Qi2 is fully backward compatible, so if you have a device that only supports Qi1, your Qi2 charger will still work, although it’ll charge at Qi1 speeds. Similarly, your Qi2 phone can work on Qi1 charging pads, but at a slower speed of 7.5W.
Do You Need Magsafe for Qi2?
No, you don’t have to use MagSafe to take advantage of Qi2. Any device or accessory that’s Qi2 certified can be used, as long as it’s from a reliable manufacturer, so that the magnets align correctly for optimum efficiency.
EcoFlow Power Banks
Ready to Upgrade to a Qi2 Power Bank?
Qi2 is an impressive leap forward in wireless charging performance. Whether you’re an Apple or Android user, 15W charging speed has become the new standard. Upgrading to a Qi2 power bank gives you consistent, reliable power, safer charging, and less time waiting for a full battery – who doesn’t want that?
If an upgrade is on the cards, choose a power bank you can trust—such as the EcoFlow RAPID Mag Power Bank—for smarter and faster charging.