Do not use a full charge of 4000mAh from the popular long-term mobile phone recommended

The battery capacity of a smartphone plays a crucial role in determining how long the device can last on a single charge. Consequently, battery capacity has become a major selling point for many mobile devices. This issue becomes even more apparent when you're out and about or spending extended periods outdoors. Although the power consumption among smartphones varies, generally speaking, the larger the battery capacity, the longer the standby time. Carrying a mobile phone everywhere has become an essential part of modern life, but charging on the go often relies on portable power banks and external batteries, which can be cumbersome. Today, many smartphones come equipped with battery capacities around 3000mAh, yet their actual battery life typically lasts just about a day. Frequent recharging has become a common occurrence. Back in the days of non-smartphones, batteries with capacities in the hundreds of mAh could keep phones running for two or three days. Without a significant breakthrough in battery technology, a larger battery capacity generally translates to longer standby time. When we’re out and about, having a smartphone with a large battery capacity can offer us peace of mind regarding battery life. A mobile phone with a high-capacity battery can provide battery life spanning about two days, eliminating the need for additional auxiliary devices like portable chargers. Below, we’ll introduce several high-end smartphones that are currently popular in the market. These models include the vivo X9s Plus, OPPO R11 Plus, Huawei Mate 9, and Jinli M6S Plus. With these phones, you won't have to charge your device every day. Recommended Model: vivo X9s Plus Reference Price: $2998 Reason for Recommendation: Professional Selfie Camera On July 6th, vivo launched its new X9s and X9s Plus series, which continue to emphasize the soft light dual camera setup. The front camera boasts 20 million pixels, with certain upgrades compared to previous models. Currently, the vivo X9s Plus is available for purchase at a price of $2998. Equipped with a 5.88-inch 1080p display, the X9s Plus features a dual front camera setup of 20 million pixels + 5 million pixels, along with a rear 16 million pixel camera. The phone is powered by the Qualcomm Snapdragon 8976 Pro processor, offering a battery capacity of 4150mAh, ensuring both performance and long battery life. The vivo X9s Plus offers a high-value proposition with its 5.88-inch 1080p display and a 1.59mm ultra-narrow bezel design. The streamlined aluminum alloy body, combined with the fourth-generation mirror sandblasting process, provides a sleek and refined appearance. The side treatments and back arc transitions enhance both the visual and tactile experience. The X9s Plus is equipped with a dual camera featuring 20 million pixels (main camera, F/2.0) + 5 million pixels (professional virtual auxiliary camera, F/2.0). This dual-camera setup enables a natural, large-aperture bokeh effect, surpassing the blurred effects produced solely by software algorithms. The dual camera self-timer captures more precise depth-of-field information. Additionally, the X9s Plus optimizes the previous generation's intelligent beauty algorithm, delivering a more delicate and natural beauty effect while improving the self-shot performance in backlit and low-light environments. The rear camera of the X9s Plus is a 16-megapixel sensor with a 1/2.8-inch size and supports PDAF phase detection autofocus. The phone also features an independent DSP image processing chip, allowing it to handle RAW files directly. This enhances detail retention in images, significantly improving the night and backlit photography capabilities of the X9s Plus, enabling users to capture high-quality, well-exposed shots even in challenging lighting conditions. Powered by the Qualcomm Snapdragon 8976 Pro processor, the X9s Plus comes with 6GB of RAM and 64GB of internal storage. It runs on Funtouch OS 3.1, based on Android 7.1, ensuring smooth performance and uninterrupted use. Hi-Fi audio quality is preserved, with the customized ES9318 program offering a seamless connection between electronic solutions and voice tuning, providing a professional-level listening experience. The battery life is extended to 4150mAh, making it ideal for mobile gamers. The X9s Plus includes vivo’s Game Engine, ensuring an ultimate gaming experience, along with dual-engine fast charging, providing prolonged endurance. Editor's Comment: The vivo X9s Plus is a model with excellent overall quality among recently released smartphones. Its solid hardware configuration and advanced selfie camera capabilities make it highly appealing to users. With a competitive price point, it’s a great choice for those looking to upgrade to a new smartphone. Related Reading: Vivo X9s Review: Performance Upgrade, More Beautiful Front Dual Cameras [Link](http://mobile.pconline.com.cn/950/9508664.html) Recommended Model: Huawei Mate 9 Reference Price: $2899 Reason for Recommendation: Leica Dual Lens Design Huawei Mate 9 introduces the Leica dual-lens design, similar to the Huawei P9. The black-and-white sensor camera has 20 million pixels, while the 12-megapixel color sensor camera features optical image stabilization technology. The rear camera of the Huawei Mate 8 had a 16 million pixel setup. Compared to its predecessor, the Mate 9 adds laser autofocus, 2x dual-camera zoom, and an enlarged front camera aperture from F/2.4 to F/1.9, supporting auto-focus. The Huawei Mate 9 continues the design philosophy of its predecessors, including the familiar high-screen ratio display and magnesium-aluminum alloy body. The overall design maintains a business-oriented aesthetic. The Mate 9 retains the ID-less border design, giving the phone a strong look when the screen is off. The front camera of the Mate 9 is an 8-megapixel unit with an F1.9 aperture, supporting auto-focus. Users can use the fingerprint recognition module as a shutter button for selfies. Huawei's P9/P9 Plus, released in 2016, gained acclaim for its "Black & White + Color" dual-camera collaboration with Leica. The Mate 9 upgrades this to the second-generation Leica Dual Camera, introducing a new "Color + Black & White" pairing with the long-awaited optical image stabilization feature (12-megapixel color sensor). The Huawei Mate 9 is equipped with the Kirin 960 processor and includes a low-power micro-intelligent i6 co-processor supporting low-power pedometer and navigation. The phone features a 4000mAh large-capacity battery, ensuring more than a day of standby time. The Huawei Mate 9 runs on EMUI 5.0, based on Android 7.0. The new system not only features a refreshed visual design but also simplifies the interaction system, allowing users to operate the phone more efficiently. Editor's Comment: The Huawei Mate 9's specifications place it firmly in the realm of flagship phones. Compared to the Mate 8, the Mate 9 represents a significant upgrade, staying current with the latest trends. The rear dual-camera design is particularly appealing to fashion-conscious consumers. While the starting price is relatively high, the comprehensive design standards and the slight discount make it a good value for money. Related Reading: Huawei Mate 9 Review: Look Beyond the Second-Generation Leica Dual Lens [Link](http://mobile.pconline.com.cn/855/8553262.html) Recommended Model: OPPO R11 Plus Reference Price: $3699 Reason for Recommendation: High Aesthetic Value OPPO recently launched several new phones, including the OPPO R11 Plus, which shares the same hardware configuration as the R11. The R11 Plus features a Qualcomm Snapdragon 660 mobile platform, 6GB RAM + 64GB ROM storage combination, and a screen size increased to 6 inches, maintaining the 1080P Full HD resolution standard. As a youthful and stylish smartphone, the R11 Plus sports a very trendy design. It features a physical home button below the body, though it cannot be pressed. The back of the body tapers toward the edges, creating a curved surface that enhances grip. In terms of hardware configuration, the Qualcomm Snapdragon 660 and 6GB of RAM ensure smooth performance. The 4000mAh high-capacity battery alleviates frequent charging concerns, even for long outdoor excursions. The OPPO R11 Plus runs the latest ColorOS 3.1 system, which is similar to the previous version with minor improvements. The UI style and animations remain consistent with the previous design, except for a more dynamic desktop style due to brighter and more flexible icons. The OPPO R11 Plus employs a rear dual-camera setup with 16 million pixels wide-angle + 20 million pixels telephoto lenses, including a wide-angle lens with an F/1.7 aperture and a 6P lens group, and a telephoto lens with an F/2.6 aperture and a 5P lens group, allowing for 2x dual-camera zoom and up to 10x digital zoom based on Spectra ISP image processing technology. The front camera is a 20-megapixel unit with an F/2.0 aperture and a 5P lens set. Editor's Comment: Compared to the OPPO R11, the R11 Plus retains the same hardware configuration but offers a larger 6-inch screen and bigger battery, catering to many big-screen enthusiasts. The OPPO R11 Plus is currently priced at $3699 and is worth considering for potential buyers. Related Reading: OPPO R11 Plus Review: Big Screen Flagship Standard is Not Just About Size [Link](http://mobile.pconline.com.cn/944/9448925.html) Recommended Model: Jinli M6S Plus Reference Price: $3499 Reason for Recommendation: Large Screen and Long Battery Life Jinli has launched several large-screen, long-lasting phones, receiving positive feedback. The Gionee M6S Plus is a previously launched phone, known for its excellent battery life and enhanced system security with an integrated independent security encryption chip. The starting price for the Jinli M6S Plus is $3,499. The Jinli M6S Plus is equipped with a 6-inch Super AMOLED screen with a 1080P resolution. The physical bezels on both sides of the screen are minimal, and the forehead and chin areas are compact. The all-metal integrated shell is crafted from aluminum alloy, with edges that curve smoothly. The intricate processes involved, such as hot forging, precision milling, and honeycomb anodization, give the Gionee M6S Plus a silky-smooth metallic feel, enhancing its elegance. The Jinli M6S Plus runs on the Android-based Amigo OS 3.5 system, which has a business-like, understated style. As a flagship super-secure business phone, the Jinli M6S Plus incorporates numerous security-enhancing features in the system, including a fingerprint encryption chip, live fingerprint identification, secure mobile payments, data protection, and communication security. It also includes useful business assistant functions such as business card scanning and secretary services. The Jinli M6S Plus is equipped with a massive 6020mAh battery, with a body thickness of only 8.2mm, achieving a perfect balance of aesthetics and functionality. This is due to the high battery capacity density of up to 700Wh/L, an ultra-thin AMOLED screen, and Jinli’s efforts in handset structure stacking. Furthermore, the system administrator integrates daily power-saving modes, extreme power-saving modes, automatic lock screen memory cleaning, and high-consumption application reminders, making it user-friendly. In terms of photography, the Jinli M6S Plus combines 8MP/12MP front and rear cameras. The rear camera features a unit pixel size of 1.4μm and incorporates full-pixel dual-pixel focusing technology. With an F/1.9 aperture, 6P lenses, and dual-core ISPs, the Jinli M6S Plus promises enhanced imaging capabilities. The camera interface is straightforward and easy to use, allowing users to select different modes such as camera, beauty, and business card scanning by sliding left or right. Various filter options are provided, and the camera's functionality can be expanded by adding applications to enhance scene adaptability. Editor's Comment: The Jinli M6S Plus excels in all aspects, offering both long battery life and superior security, making it particularly suitable for business users. Potential buyers interested in this product can consider it. Summary: The models mentioned above are equipped with large-capacity batteries, providing strong battery life. These phones eliminate concerns about running out of power while out and about. Besides their long battery life, these models are competitively priced. For consumers planning to purchase within a budget of around $3,000 and seeking a large screen + rear dual camera phone, the Huawei Mate 9 is a good choice. For those looking for a long-lasting phone with a large screen and a budget of about $3,500, the Jinli M6S Plus is more suitable. Those wanting a large-screen, high-value smartphone might opt for the OPPO R11 Plus. And for those focused on photography and a budget of around $3,000, the vivo X9s Plus is recommended. Related Reading: Jinli M6S Plus Review: Government and Business Flagship with Fingerprint Encryption Chip [Link](http://mobile.pconline.com.cn/913/9135684.html)

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