Fast charging has become one of the biggest competitive headlines in phones today. Brands like Xiaomi, OPPO, and others boast numbers as high as 200W and even 240W, promising a full charge in minutes. But how does ultra-fast charging compare with more moderate speeds like 65W when it comes to battery health after two years of regular use? The short answer? There is a trade-off.

Battery Degradation

Unlike rapid top-ups you might do daily, battery cycle life is the best proxy for long-term wear. Industry standards generally consider a battery still healthy at 80% capacity after 800 cycles, meaning it retains 80% of its original capacity and performance. However, ultra-high-watt charging changes that equation. Devices using 65W charging tech tend to degrade less over time. But after about the same 800 cycles, batteries charged at 65W can retain approximately 91% of their original capacity.

So, you get a solid performance that means noticeably longer lifespan and less capacity loss after two years of typical use. On the other hand, phones that support faster charging speeds, like 200W charging, show faster degradation. Evidence suggests these batteries can fall to around 80% capacity after just 800 cycles, which aligns with the minimum baseline for acceptable battery health, but it hits this mark much earlier than models with 65W charging support.

What These Percentages Mean in Real Use

When we talk about 80% vs 91 % capacity after two years, the difference is more than just a number on paper:

• 80% Battery Capacity: You’ll likely notice shorter screen-on time, faster drainage during heavy use, and more frequent mid-day charging. The battery feels more tired, especially after a couple of years.
• 91% Battery Capacity: The battery still feels closer to “new,” retains longer endurance, and delivers steadier performance throughout the day.

In practical terms, a device with 200W charging might need battery health conservation strategies earlier. This could include limited full charges, enabling optimized charging, or reducing high-watt charging use.

Why Faster Charging Affects Battery Health

It might seem counterintuitive that faster charging could be worse for battery health, but the mechanisms are rooted in electrochemistry:

• Heat: Ultra-fast charging creates more heat inside the battery during the charge process. Heat is one of the main accelerators of battery ageing, which speeds up internal chemical reactions that degrade the electrode materials over time.
• Charge Stress: Charging at higher wattages pushes more current into the battery at once. This can increase stress on the lithium-ion cells, leading to faster capacity loss across many cycles.
• Thermal Management: Modern phones use advanced cooling and thermal throttling, like graphite layers, vapor chambers, and smart charging algorithms help reduce heat and mitigate degradation. However, these systems only reduce the long-term impact, not eliminate it entirely. So while a phone with 200W charging won’t immediately fail, the battery will show signs of ageing sooner than a phone that uses 65W charging under the same usage pattern.

OPPO’s Surprising Case

Interestingly, real-world testing has shown that in some cases, a 150W charging implementation (like OPPO’s) can outlast an even faster 240W solution. In some scenarios, it even managed to achieve up to double the cycle life (approx 1,600 cycles) before reaching similar degradation levels. This highlights how fast charging is implemented (software control, cell chemistry, thermal design) matters as much as the wattage itself.

Should You Avoid Fast Charging?

Ultra-fast charging isn’t inherently bad. In fact, it’s extremely convenient, especially if your lifestyle demands quick top-ups between meetings or when you’re travelling. Considering the massive upgrades in battery tech in recent years, these devices have also retained good battery capacities even after a few years. Faster charging does accelerate capacity loss compared to more moderate speeds, so here’s how you can balance conveniencewith longevity:

• Use standard charging (like 30–65W) for overnight/top-off charging.
• Reserve super fast charging for when you really need speed.
• Enable battery care features and Super OTA battery management options if available.
• Avoid extreme thermal environments (like charging in hot cars or under direct sunlight)

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Realme seems to have a new smartphone up its sleeves as a device with model number RMX3478 has appeared on China’s 3C certification. The listing confirms the battery capacity of the device hinting at a release soon.

The listing was first spotted by the tipster Piyush Bhasarkar and it reveals that this upcoming Realme phone has a 65W fast charging speed. The device is a 5G phone from the Chinese brand, which we expect to arrive in the mid-range segment.

Realme hasn’t spoken anything about this phone, nor have we seen any leaks as such. Since this is the early stage of certification for this phone, the launch might be sometime later.

In related news, Realme is gearing up to launch the Realme Q5 smartphone in China. The device was spotted with multiple model numbers. The phone is said to offer 80W fast charging support. It is expected to come with a 6.62-inch AMOLED display with an FHD+ resolution and 120Hzz refresh rate.

Rumors are rife that the Realme Q5 will be powered by the Qualcomm Snapdragon 870 SoC paired with up to 12GB of RAM and 512GB of internal storage. It is likely to come with a triple camera system that has a 64MP main lens, an 8MP ultra-wide camera, and a 2MP macro sensor. For security, the device will have an in-display fingerprint scanner.

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• Realme Narzo 50A Prime will ship without a charger in India
• OnePlus Ace to come with Dimensity 8100 and 50MP cameras; Possible Realme GT Neo3…
• Realme V23 launch imminent, specifications, images and pricing revealed

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While the foldable smartphone market has grown in this last year, many OEMs have yet to launch their own offerings within this category. Now, a new report has even revealed certain details regarding the upcoming foldable smartphone from Oppo.

According to known tipster Digital Chat Station on Weibo (a Chinese microblogging website), the company is working on a smartphone with foldable handset. In the social media post, the tipster stated that Chinese tech giant’s foldable smartphone will be powered by a large 4,500mAh battery pack. Furthermore, this battery will also support a 65W fast charging solution as well. Previously, the tipster had even shared other information regarding the foldable smartphone from Oppo. Back in August, Digital Chat Station shared that the foldable phone will feature a low temperature polycrystalline oxide(LTPO) display.

Reportedly, this foldable handset will run on ColorOS 12 out of the box and is expected to have Android 12 underneath. Unfortunately, the tipster did not reveal any other information apart from this, although, he did add that the foldable smartphone from Oppo isn’t too far from launch. Keep in mind that this is still an unconfirmed report so take it with a pinch of salt, and stay tuned for more, as we will be providing updates when additional information is available regarding this device.

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The Realme GT Neo2 has just been launched in China. The company had been teasing the device prior to the launch event and it has finally been unveiled with some top notch features.

Specs & Features

Under the hood, the GT Neo2 sports the Qualcomm Snapdragon 870 SoC, which is paired with up to 12GB of RAM and up to 256GB of internal storage. It is powered by a large 5,000mAh battery pack that supports 65W fast charging as well that can charge the device from 0 to 100 percent in just 36 minutes. On the front, the device features a 6.62 inch FHD+ Samsung E4 AMOLED display that offers 120Hz refresh rate and 600Hz touch sampling rate with a peak brightness of 1300 nits. The GT Neo2 even arrives with dual stereo speakers and Dolby Atmos Games support as well.

The Realme GT Neo 2 uses dual channel UFS 3.1 memory and also supports dynamic memory expansion, which allows it to have a virtually expand its RAM by up to 7GB. So, the higher end variant offers 19GB of RAM in total. With top notch specs that are also geared to add a solid gaming experience, the company has also placed an emphasis on the thermal management system of the device. The GT Neo2 houses a diamond ice core cooling system that covers 17932mm² in terms of surface area with aerospace grade cooling gel. It also uses tempered VC and three dimensional graphene layers for better heat dissipation to maximize gaming performance. Notably, the device runs Realme UI 2.0, which is based on Android 11 OS.

Camera and Colors

At the back, the Realme GT Neo2 sports a triple camera module, with a primary 64 megapixel shooter paired alongside an 8 megapixel ultra wide angle lens and a 2 megapixel macro sensor. The rear cameras support Night scene, Pro mode, and other such useful features. On the front, a 16 megapixel selfie shooter can be found. Furthermore, the device arrives in three color variants, namely Black, Blue, and a dual toned Black Mint color.

Pricing & Availability

The pre-orders for the new smartphone will go live later today, with official sales starting from 27th September 2021. The first sale will include a free headset worth 129 Yuan (roughly 20 US Dollars), a one year warranty renewal, and an additional 6 months of free use of 2 TB cloud space. The GT Neo2 prices are:

• 8GB + 128GB – 2499 Yuan (roughly 390 US Dollars) with a starting price of 2399 Yuan (roughly 370 US Dollars)

• 8GB + 256GB – 2699 Yuan (roughly 420 US Dollars) with a starting price of 2599 Yuan (roughly 400 US Dollars)

• 12GB + 256GB – 2999 Yuan (roughly 465 US Dollars) with a starting price of 2899 Yuan (roughly 450 US Dollars)

The Chinese smartphone maker is also offering the device with additional gaming peripherals, which the customers can opt to buy. This includes a Realme Gaming Should Buttons for 99 Yuan (roughly 15 US Dollars), a Type C Super Flash Charge Data Cable for 129 Yuan and a Cooling Back Clip for the Neo2 for 99 Yuan.

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It is no longer news that Redmi will be launching its first gaming smartphone this year. According to reports, it may even be announced this month. The smartphone which will have a MediaTek Dimensity 1200 processor under its hood will also have support for “ultra-fast charging”.

According to the Chinese blogger that goes by “Super Leo_” on Weibo, the Redmi gaming smartphone will support “65W ultra-fast flash charge”. This will be the first Redmi phone to support this charging protocol and also the fastest charging Redmi smartphone.

The post also included some other details we already know such as a Samsung E4 AMOLED screen with a centered punch hole and a 5000mAh battery capacity. He also adds that the Redmi gaming smartphone will likely have a ¥2000 (~$305) starting price. There is still a lot we do not know about the phone but more details should surface as its release date draws closer.

For those outside China who look forward to its global release, it has been reported that it may arrive under the POCO brand much like how the Redmi K40 is sold as the POCO F3 outside China.

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Upcoming Redmi gaming phone with Dimensity 1200 could be rebranded as POCO handset in India

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The ROG Phone 3, just like the ROG Phone II before it, has a 6000mAh battery capacity. Now, a leak has revealed that ASUS will once again go with a 6000mAh battery capacity for the ROG Phone 4.

Just a few flagship phones have a battery capacity of 5000mAh, so 6000mAh is more than sufficient for the ROG Phone 4. We also don’t see that battery capacity changing anytime soon. Seeing as battery capacity has remained unchanged over three generations, ASUS has decided to go with faster charging as the way to distinguish between the phones.

According to Digital Chat Station, the ROG Phone 4 will support 60W or 65W fast (wired) charging. This should allow users to recharge the dual-cell 6000mAh battery faster than its predecessor, the ROG Phone 3, which supports 30W fast wired charging.

EDITOR’S PICK: ASUS confirms no Android 10 update for ROG Phone

When compared to other competing gaming smartphones that will also be launched this year such as the Black Shark 4 and Red Magic 6, the ROG 4’s 60W/65W fast charging is much slower than their 120W fast wired charging. However, its battery capacity is significantly higher than theirs which is just 4500mAh.

The ROG Phone 4 should also support reverse wired charging, Quick Charge 4, and Power Delivery. The phone is expected to arrive this quarter, which is at least four months earlier than the ROG Phone 3.

Just like other flagship phones, the ROG Phone 4 will have a Snapdragon 888 processor under its hood and support for 5G. Its AMOLED display is also expected to have a refresh rate of 144Hz or higher and it should run Android 11 out of the box.

UP NEXT: Asus and MSI saw growth in gaming laptop sales in 2020

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The front view of the OnePlus 8T leaked a few weeks ago. Now, we know what the entire device will look thanks to renders that have been published on the web. These renders are also accompanied by the specs of the phone, some of which you may find disappointing and others that you will be excited for.

The renders and specs are from OnLeaks and he has partnered with the Indian blog, PriceBaba. These renders are said to be based on internal schematics and not 3D CADs, so there are no dimensions.

The OnePlus 8T will indeed have a flat display with a hole punch at the top left corner of the screen. The back is covered in glass and it is curved with rounded corners. OnePlus has adopted a new design for the rear cameras. Gone is the centered and elongated pill-shaped housing, and in its place is a rectangular housing similar to the ones we have seen on Samsung phones. The camera housing is home to four cameras arranged in an L-shape and an LED flash.

The phone has a USB-C port at the bottom and it is flanked on the right by two slits for the speaker grille and the SIM tray on the left. The alert slider and power button are on the right side of the frame while the left is home to the volume control. There is also a wide but thin speaker grille above the display.

1 of 3

With respect to the specs, the OnePlus 8T is said to have a 6.55-inch screen just like the OnePlus 8. The resolution is still FHD+ but the refresh rate ha been bumped up to 120Hz. Under the hood is a Snapdragon 865 processor and it will be paired with 8GB or 12GB of RAM with 128GB and 256GB of storage respectively.

The OnePlus 8T is reported to have a 32MP selfie camera while the quad cameras on the back of the phone include a 48MP primary sensor, a 16MP ultrawide angle camera, a 5MP macro camera, and a 2MP depth sensor.

The camera is getting a slight bump from 4300mAh on the OnePlus 8 to 4500mAh on the OnePlus 8T. However, fast charging gets a huge bump as the OnePlus 8 is said to support 65W fast charging. What do you think it will be called, Warp Charge 65? As expected, the phone will run Android 11 with OxygenOS 11 on top out of the box.

The OnePlus 8T should launch by the end of the month or by the first week of October. It is not yet known if any of the reported mid-range Nord phones will be arriving together with it or later.

UP NEXT: Bureau of Indian Standards certifies OnePlus Power Bank

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OPPO officially announced the Ace2 flagship at an online event in China today. The phone succeeds the OPPO Reno Ace model announced last year with better hardware and the world’s fastest wireless charging technology. The Ace lineup is being split up from the Reno series and will be sold as a separate lineup from OPPO. Overall, with 5G, Snapdragon 865, and an ultra-fast charging technology, the phone is being marketed as a gaming flagship. So it’s no surprise that the Ace2 is the official smartphone of the Peacekeeper Elite League in China this year.

The OPPO Ace2 features a traditional 2020 smartphone design which includes a punch-hole display upfront and a round quad-camera setup at the back. The phone weighs just 185 grams and is 8.6mm thick, which means it will be comfortable to hold. There’s a 3D back curved design as well, improving the overall ergonomics. You get a 6.55-inch OLED display with 2400 x 1080p resolution with a high 91.8% screen to body ratio. The phone comes with the 5th generation Corning Gorilla Glass protection, 100% DCI-P3 color gamut, 1100nits brightness, HDR10+ certification, and a high 90Hz refresh rate.

OPPO Ace2 Specs

The OPPO Ace2 comes with a Snapdragon 865 chipset with up to 12GB of LPDDR5 RAM and UFS 3.0 with Turbo Write and Host Performance Boost (HPB) for fast read and write speeds. Thanks to Snapdragon 865 chip, the phone supports dual-mode 5G with roaming enabled in over 25 countries worldwide. Like all flagship phones of 2020, the OPPO Ace2 also supports Wi-Fi 6 and this can be combined with 5G to reach peak speeds of up to 2950Mbps!

At the online event in China today, OPPO said that the Ace2 scores around 608,000 on AnTuTu at room temperature. But if the phone’s cooling system kicks in, it can go up 625,184 in the same benchmark application. OPPO revealed that it has managed to reduce power consumption by up to 12% in some games and the temperature can be brought down by up to 1.4° C without sacrificing its performance.

The OPPO Ace2 comes with an optimised gaming experience. The company claims that it supports a stable high frame rate and comes with good battery life with excellent temperature control. Thanks to the new HyperBoost 3.0, the Ace2 manages to games like Peace Elite at stable 90FPS for a long time. The company says that you can keep playing even when the phone is charging, thanks to its advanced 4D VC cooling technology.

Since this is a flagship focused on gaming, OPPO has optimized e-sports and balanced mode on the device by gathering data from over 200 internal test players. The phone also supports a new social feature which is similar to the popular online commentary system in China called danmu. In case you are confused – if you have ever seen live comments fill up a video (its very popular in China), that’s danmu. OPPO Ace2 comes with a similar feature wherein your new messages will be shown on your game screen like a comment.

The Ace2 also supports voice controls during gameplay via OPPO’s Breeno smart assistant. You can tweak the volume, brightness and other features using Breeno. The phone also comes with 4D Game Vibration 2.0 standard which will customize gameplay vibrations according to the weapons being used. Finally, dual stereo speakers and Dolby Atmos ensures an immersive sound experience on the device.

The OPPO Ace2 comes with an average 4000mAh battery. But this is paired with an ultra-fast 65W wired charging solution. You also get the world’s fastest 40W Super AirVOOC Wireless Charging technology on board which gives you an additional hour of usage in just 5 minutes of wireless charging. This charging tech is certified by TUV Rheinland. You also get 10W reverse charging tech.

The Ace2’s camera setup isn’t exactly extraordinary but it should still be good enough for decent shots. The phone comes with a 48MP IMX586 primary sensor paired with an 8MP 119° ultra wide-angle camera, a 2MP portrait lens, and another 2MP Black and White camera.

There’s a 16MP f/2.4 front punch-hole shooter.

As for software, the phone runs on Android 10 based ColorOS 7.1.

OPPO Ace2 Pricing & Availability

The OPPO Ace2 starts at 3999 yuan ($567) for the 8GB RAM and 128GB ROM variant and goes up to 4399 yuan ($623) for the 8GB and 256GB ROM variant. The 12GB RAM and 256GB storage model is priced at 4599 yuan ($652).

Note that the 8GB RAM models are all LPDDR4X and only the 12GB RAM model comes with the latest LPDDR5 standard.

These three storage variants are available in Black and Purple color options. The OPPO Ace2 is up for reservations in China starting today and will go on sale for the first time on April 20.

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Ahead of the Black Shark 3’s launch next week, the manufacturer has been sharing posters on Weibo that reveal some of the phone’s features. The latest one released today tells us the battery capacity as well as the supported power rating.

The Black Shark 3 will have a 4720mAh battery capacity and from the poster, it shows the battery is split into two just like that of the Xiaomi Mi 10 Pro. It was previously reported that it has a 5000mAh battery but the poster shows that is not the case.

The phone will also have support for 65W fast wired charging just like the upcoming OPPO Find X2 and the Realme X50 Pro 5G that was announced earlier this week. The Weibo post revealed that it will take just 15 minutes to charge one of the batteries (2780mAh) to full.

Other known features of the phone are a 120Hz refresh rate, LPDDR5 RAM, Snapdragon 865 processor, UFS 3.0 storage, and Dual-mode 5G.

The phone will be unveiled in China on March 3.

UP NEXT: Lenovo Legion Gaming Smartphone: fast charging will surpass 55W

(Source)

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The launch of the latest entry in the Black Shark series of gaming smartphones is just around the corner. At the moment, finer details regarding the device are still unknown but certain regarding its battery has been revealed.

According to Luo Shao, the CEO of Black Shark, the company is looking to strike a balance between the battery capacity and charging power of the smartphone. In other words, a careful process is being undertaken to keep the charging and discharging rate in mind. Since the Black Shark 3 will feature 5G network, the strain on the battery life will also be noticeable. Thus, the company is planning on improving both battery capacity and charging rates while specifically designing a heat dissipation design for the smartphone

Furthermore, the senior executive started a vote on “which combination with charging rates, battery capacity and discharging rates do users prefer in a 5G gaming smartphone.” He offered four different configurations, that are:

1. 65W + 5000mAh, 100% charge in 38 minutes, cycle life> 800.
2. 55W + 4500mAh, 100% charge in 40 minutes, cycle life> 600
3. 65W + 4000mAh, 100% charge in 30 minutes, cycle life> 600
4. 55W + 4440mAh, 100% charge in 36 minutes, cycle life> 600

Editor’s Pick: Samsung Galaxy Z Flip foldable smartphone launched in India for ₹1,09,999 ($1,534)

Similarly, the Chief architect of Black Shark went on to add that 5G gaming smartphones require more complex and dedicated power systems over those of other flagships. It is true to some degree considering the power draw and heats the newer and faster bandwidth is capable of causing. The chief event even heavily implied to vote for the 65W + 5,000mAh battery variant, which all but confirms the configuration Black Shark will offer.

A company generally never offers options with numbers or specs that are greater than what will eventually be offered, so it’s safe to expect that the Black Shark 3 will sport a 5,000mAh battery that supports 65W fast charging. Additionally, other leaks and reports have revealed that the gaming smartphone will support SA and NSA dual mode 5G as well. The display is expected to feature 2K resolution and offer a 120Hz refresh rate.

Under the hood, the Black Shark 3 will likely feature the Qualcomm Snapdragon 865 SoC paired with the X55 5G modem. For memory, an LPDDR5 flash chip alongside UFS 3.0 is expected as well. Going by the popular flagship features, Wi-Fi 6 may also be included along with NFC. Notably, due to the ongoing epidemic caused by the Coronavirus outbreak, the smartphone will be launched during an online live streaming event.

UP NEXT: Huawei will take on Microsoft with its Enterprise-Grade Smart Display on Feb. 24

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Huawei’s upcoming 5G smartphone with codename “TAH-AN00m” was spotted online last month, which is said to make its debut as the Huawei Mate Xs next month — a new variant of the company’s first foldable smartphone Huawei Mate X.

Now, it seems that along with a more durable build quality, the company will also be adding support for 65W fast charging technology on the Huawei Mate Xs. Ahead of the launch, details about the said charging technology has surfaced online.

EDITOR’S PICK: Lu Weibing reveals more details about Xiaomi’s 100W fast charge technology

The charging head of the 65W charger that the Mate Xs will weighs just 92 grams, which is lighter than the 160 grams for the charging head of the 65W charger for Huawei MateBook 14 2020 which was recently launched.

It is said that the upcoming charger can also be used in other Huawei smartphones as well, including Mate X, Mate 30 and P30 Pro, however, there will be some difference in terms of actual charging speed because of different protocols.

As for the Huawei Mate Xs, the phone is said to come powered by the Huawei Kirin 990 5G chipset and some other changes for enhancing the user experience. To know for sure, we’ll have to wait for a few more weeks.

UP NEXT: Xiaomi launches its 65W Type-C Power Adapter: 27% smaller than previous generation

(Via)

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