If yourLenovo Chromebook S345-14AST is no longer holding a charge like it used to, replacing the battery is a practical solution. However, searching for a replacement can be confusing, as you will likely come across three very similar part numbers:L18D3PG2,L18M3PG2, orL18L3PG2.
Which part number should you choose?
In reality, these batteries are completely identical in terms of performance. All three options are 3-cell lithium-ion batteries designed specifically for the S345-14AST. They share a total capacity of around57Whand a nominal voltage of approximately11.5V, meaning they are built for the exact same chassis.
The only difference lies in the middle letter (D,M, orL). This code indicates the Original Equipment Manufacturer (OEM) that produced the battery cells for Lenovo's production line. Lenovo relies on this multi-vendor strategy to ensure supply chain stability. If one factory experiences a shortage, another can immediately step in to fill the gap.
While these three models share identical technical specifications, they all come in both"long cable"and"short cable"versions.
Important:When purchasing a replacement battery, you must check the cable length of your original battery first. The new cable must match the exact length of the one already inside your laptop.
A mismatched cable can lead to installation issues, put excessive strain on the connector, or cause an unstable power supply.
The battery in the Chromebook S345-14AST is user-replaceable.
Installation:Carefully open the chassis and swap out the old battery while avoiding any static discharge.
Calibration:After installing the new battery, fully charge it first. Then, complete at least one full discharge and recharge cycle to help ChromeOS accurately calibrate the battery level indicator.
By understanding these differences, especially the cable length, you can confidently choose the right battery and restore your Chromebook's all-day performance while avoiding compatibility issues. No matter whether your current battery label saysL18D3PG2, L18M3PG2, or L18L3PG2, choosing a properly matched replacement will bring your device back to reliable health.
Realme launched the 16 Pro in India this January, and its European variant has now appeared on the official website, revealing several notable differences. The Indian model comes with a 7,000mAh battery, while the European version is limited to 6,500mAh and supports only 45W charging.
In Europe, the device is available exclusively with 8GB of RAM, paired with either 256GB or 512GB of storage. Both NFC and eSIM functionality are supported. As expected, the European retail box does not include a charger. Software support also differs: the 16 Pro in Europe is promised five major Android updates and six years of security patches.
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Fortunately, most other specifications remain unchanged. The Realme 16 Pro features a 6.78-inch flat AMOLED display with FHD+ resolution and a 144Hz refresh rate. It offers peak local brightness of 1,400 nits, along with a 50MP front-facing camera and an under-display optical fingerprint sensor. The phone uses the MediaTek Dimensity 7300 Max chipset and ships with realme UI 7.0 based on Android 16.
On the back, the device includes a 200MP Samsung HP5 main camera supported by Realme’s LumaColor image processing technology. It also features an 8MP ultra-wide lens, although no dedicated telephoto camera is included.
The Galaxy S25 Ultra debuted in early 2025 and was soon joined by other ultra-premium Android smartphones with similar specifications and naming conventions, including the Vivo X200 Ultra, Oppo Find X8 Ultra, and Xiaomi 15 Ultra. By the end of June 2025, the Xiaomi 15 Ultra had reportedly become the best-selling among the three, with 586,000 units sold, compared to 219,000 for the Vivo model and 210,000 for the Oppo device.
In comparison, Samsung shipped 8.39 million units of the Galaxy S25 Ultra during the same period. This figure also surpassed sales of its predecessor, the Galaxy S24 Ultra, which had reached 7.65 million units by June 2024. The data originates from numbers reposted on X from Weibo by leaker Ice Universe, though it remains unclear whether the figures represent global shipments or sales within China alone.
The Galaxy S25 Ultra distinguishes itself with an anti-glare 1440p Dynamic AMOLED 2X display, powered by a custom Snapdragon 8 Elite processor overclocked to 4.47GHz. It also retains exclusive S Pen support, which sets it apart from its rivals.
However, in independent camera benchmarks such as those conducted by DxOMark, the S25 Ultra has often been outperformed by competing devices. Most recently, the Huawei Pura 80 Ultra ranked higher despite lacking Android, suggesting that Samsung’s 200MP main sensor and AI-driven imaging enhancements do not always translate to superior performance.
A growing number of smart wearables claim to measure sleep quality and stress levels to help users make informed health and lifestyle decisions. However, a recent study suggests that these devices may not be sufficiently accurate, particularly in assessing stress.
The study, conducted at Leiden University in the Netherlands, involved 781 student participants who wore the same smart wearable for a period of three months. During this time, participants also completed ecological momentary assessment (EMA) surveys that recorded self-reported data on sleep, fatigue, and stress levels.
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The findings indicated a strong correlation between the wearable’s data and the participants' EMA reports for sleep and fatigue. However, there was a notable divergence in stress measurement, with the wearable's readings failing to align with self-reported stress levels.
The study used the Garmin Vivosmart 4, a model released in 2018 and discontinued in 2022 in favor of the Vivosmart 5. This device’s specific approach to stress tracking may have contributed to the discrepancy with EMA data.
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Despite the use of a single older device, the study’s results have raised broader concerns about the reliability of wrist-worn wearables in accurately tracking stress, a feature that remains prominent in many such devices today.
Honor has confirmed that its upcoming clamshell foldable smartphone, the Magic V Flip 2, will launch in China on August 21. The company has also shared the phone’s design and color options, and further details have now emerged through a new leak.
According to the tipster, the Magic V Flip 2 will feature a 6.82-inch internal LTPO AMOLED display with Full HD+ resolution and a 120Hz refresh rate. The external screen will be a 4-inch Full HD+ LTPO AMOLED panel, also with 120Hz refresh rate.
The device will include a 200 MP primary rear camera accompanied by a 50 MP ultrawide sensor, while the front-facing camera will be a 50 MP sensor.
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Powering the phone is the Snapdragon 8 Gen 3 SoC, backed by a 5,500 mAh battery. Charging options will include 80W wired and 50W wireless support. A side-mounted fingerprint scanner will provide biometric security.
The phone will measure 15.5 mm when closed and 6.9 mm when unfolded, with a total weight of 204 grams. Honor will offer the Magic V Flip 2 in four color variants, including a special edition developed in collaboration with Professor Jimmy Choo.