Smartphone Choices for Those Who Want to Last a Day Without a Power Bank

Galaxy S26 Ultra. This is Samsung's Ultra model that combines a large screen, S Pen, Samsung DeX, and high-performance camera all in one device. The selection criteria for the Galaxy S26 Ultra in this list is a day without a charger. Particularly when the Galaxy S26 Ultra is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are S Pen, Samsung DeX, and large screen multitasking; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the Galaxy S26 Ultra and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the Galaxy S26 Ultra, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, it has a battery of 5,000mAh, a maximum of 31 hours of official video playback, a screen of 174.9mm QHD+ Dynamic AMOLED 2X with a maximum refresh rate of 120Hz, and weighs 214g. The software support guidance for the Galaxy S26 Ultra indicates 'security updates until February 28, 2033.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the Galaxy S26 Ultra, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the Galaxy S26 Ultra, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the Galaxy S26 Ultra lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

Galaxy S26+. A large-screen model that is lighter than the Ultra, featuring a 169.1mm display and a 4,900mAh battery. The selection criteria for the Galaxy S26+ in this list is a day without a charger. Particularly when the Galaxy S26+ is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are Samsung DeX, large screen, and balanced weight; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the Galaxy S26+ and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the Galaxy S26+, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, it has a battery of 4,900mAh, a screen of 169.1mm Dynamic AMOLED 2X with a maximum refresh rate of 120Hz, and weighs 190g. The software support guidance for the Galaxy S26+ indicates 'check the support period on the official Samsung product page.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the Galaxy S26+, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the Galaxy S26+, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the Galaxy S26+ lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

iPhone 17 Pro Max. A large iPhone with a big ProMotion display, professional-grade chip, and long video playback time. The selection criteria for the iPhone 17 Pro Max in this list is a day without a charger. Particularly when the iPhone 17 Pro Max is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are the large screen, high-performance GPU, and USB 3; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the iPhone 17 Pro Max and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the iPhone 17 Pro Max, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, the battery provides a maximum of 37 hours of video playback, the screen is 17.4cm Super Retina XDR with ProMotion, and the weight is as confirmed in Apple's official product specifications. The software support guidance for the iPhone 17 Pro Max is 'check iOS update availability on Apple Support.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the iPhone 17 Pro Max, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the iPhone 17 Pro Max, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the iPhone 17 Pro Max lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

Galaxy S25 FE. The FE model provides a large screen and flagship-level features in a relatively practical configuration. The selection criteria for the Galaxy S25 FE in this list is a day without a charger. Particularly when the Galaxy S25 FE is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are a large screen, 120Hz refresh rate, and Galaxy AI; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the Galaxy S25 FE and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the Galaxy S25 FE, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, it has a battery of 4,900mAh, favorable for long screen use; the screen is a large Dynamic AMOLED 2X at 120Hz, and it weighs 190g. The software support guidance for the Galaxy S25 FE states 'up to 7 OS upgrades and up to 7 years of security updates.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the Galaxy S25 FE, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the Galaxy S25 FE, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the Galaxy S25 FE lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

Galaxy A37 5G. Officially sold in Korea, this A-series model features a 170.1mm screen, a 5,000mAh battery, and a maximum of 6 OS upgrades. The selection criteria for the Galaxy A37 5G in this list is a day without a charger. Particularly when the Galaxy A37 5G is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are a large screen, IP68 rating, and everyday AI editing; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the Galaxy A37 5G and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the Galaxy A37 5G, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, it has a battery of 5,000mAh offering up to 2 days of use, a screen of 170.1mm Super AMOLED FHD+ at a maximum of 120Hz, and weighs 196g. The software support guidance for the Galaxy A37 5G states 'up to 6 OS upgrades and up to 6 years of security updates.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the Galaxy A37 5G, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the Galaxy A37 5G, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the Galaxy A37 5G lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

Galaxy A36 5G. This model features a 5,000mAh battery and a large screen, making it suitable for calls, messaging, and video-centric usage. The selection criteria for the Galaxy A36 5G in this list is a day without a charger. Particularly when the Galaxy A36 5G is applied to a day involving commuting navigation, camera photo-taking, and continuous video playback, it is easier to judge whether the product's advantages are genuinely needed. The main utilization elements are a large screen, easy mode features, and 120Hz refresh rate; rather than recommending it solely for its high specifications, it's vital to first determine whether the time spent with the Galaxy A36 5G and frequently used apps align with this configuration. In store, it's advisable to check not only the screen size of the Galaxy A36 5G, but also the button placements necessary for a day without a charger and the range of one-handed operations.

According to official information, it has a battery of 5,000mAh optimal for everyday use, a large Super AMOLED screen at a maximum of 120Hz, and it weighs 195g. The software support guidance for the Galaxy A36 5G states 'up to 6 generations of OS upgrades and a 6-year security update policy.' Since playback times are values measured under set test conditions, it cannot be definitively concluded that they will be the same in real-life situations such as using navigation for commuting, taking photos, and watching videos consecutively. When considering the Galaxy A36 5G, keep in mind that as the screen gets larger and brighter, power consumption increases, and the weight of the device also grows. Therefore, it’s essential to compare the total costs by factoring in the storage capacity and configurations of self-purchased and carrier-bound models over the same duration.

Before purchasing the Galaxy A36 5G, jot down your regular screen-on times and possible charging locations, and then compare based on real habits concerning 5G, brightness, and refresh rates. The provision of a charging adapter should also be noted along with existing cable specifications, and the weight after fitting it with a case should be calculated in terms of cost and usability. On the official product page, confirm the domestic model code and storage capacity; carrier discounts should be converted into the duration needed for a day without a charger. The key to selecting the Galaxy A36 5G lies not in the order of the list, but in focusing on the functions that are required for your daily life and minimizing the costs and weight of unused features.

Galaxy A17 LTE is a domestically officially sold LTE model tailored for communication, messaging, and video use, featuring a 169.1mm display and a 5,000mAh battery. The selection criteria for the Galaxy A17 LTE model in this list is how it holds up on a day without a charger. Especially when considering days that require using the Galaxy A17 LTE model for commute navigation, camera shooting, and video playback consecutively, it’s easier to assess whether the product’s advantages are truly necessary. The main usage elements are large typography, easy basic functions, and LTE. Instead of recommending it solely because of its high specifications, it’s better to first see if the time spent handling the Galaxy A17 LTE model and the frequently used apps match this configuration. In-store, it’s a good idea to check not only the screen size of the Galaxy A17 LTE model but also the button placements and one-handed operation range that are necessary for a day without a charger.

According to official information, the battery is 5,000mAh, the screen is 169.1mm Super AMOLED with a maximum 90Hz refresh rate, and the weight is 190g. The software support information for the Galaxy A17 LTE model states, ‘up to 6 OS upgrades and a maximum of 6 years of security updates.’ The playback time is measured under set testing conditions, so it cannot be conclusively determined that these would hold true in real situations that involve consecutive use for commute navigation, camera shooting, and video playback. When considering the Galaxy A17 LTE model, it’s important to note that as the screen size and brightness increase, power consumption also rises, and the body weight may increase as well. Therefore, it’s necessary to compare the total cost considering the storage capacity of this product and its configuration as an unlocked device or through carriers over the same period.

Before purchasing the Galaxy A17 LTE model, it’s wise to jot down your usual screen-on times and the locations where you can charge, afterward comparing 5G, brightness, and refresh rate to your actual habits. The inclusion of whether this product comes with a charging adapter, the specifications of existing cables, and the weight after casing must also factor into cost and usability. On the official product page, check the domestic model code and storage capacity, and convert the carrier discount into the necessary usage time for a day without a charger. The key to choosing the Galaxy A17 LTE is not the order of the list, but rather leaving the features you need for your day while minimizing costs and weight for features you won’t use.

iPhone 17 is the basic model that applies a 120Hz ProMotion display and an A19 series chip with a weight of 177g. The selection criteria for the iPhone 17 model in this list is how it holds up on a day without a charger. Especially when considering days that require using the iPhone 17 model for commute navigation, camera shooting, and video playback consecutively, it’s easier to assess whether the product’s advantages are truly necessary. The main usage elements are ProMotion, Apple Intelligence, and starting from 256GB. Instead of recommending it solely because of its high specifications, it’s better to first check if the time spent handling the iPhone 17 model and frequently used apps align with this configuration. In-store, it’s advisable to verify not only the screen size of the iPhone 17 model but also the button placements and one-handed operation range needed for a day without a charger.

According to official information, the battery allows up to 30 hours of official video playback, the screen is 15.9cm Super Retina XDR with ProMotion, and the weight is 177g. The software support information for the iPhone 17 model states, ‘Check the availability of iOS updates from Apple Support.’ The playtime is also measured under set testing conditions, so it cannot be conclusively determined it will be the same in actual situations involving consecutive use for commute navigation, camera shooting, and video playback. When considering the iPhone 17 model, as the screen size and brightness increase, power consumption may heighten and the body weight can also increase. Therefore, it’s necessary to compare total costs based on storage capacity and configurations as an unlocked device or through carriers over the same period.

Before purchasing the iPhone 17 model, it’s wise to jot down your usual screen-on times and the locations where you can charge, afterward comparing 5G, brightness, and refresh rate to your actual habits. Inclusion of whether this product comes with a charging adapter, existing cable specifications, and weight after casing must also factor into cost and usability. On the official product page, check the domestic model code and storage capacity, and convert the carrier discount into the necessary usage time for a day without a charger. The key to choosing the iPhone 17 is not the order of the list, but rather leaving the features you need for your day while minimizing costs and weight for features you won’t use.

iPhone 17e is a budget-friendly iPhone aimed at users who desire a core iOS experience with a relatively simple configuration. The selection criteria for the iPhone 17e model in this list is how it holds up on a day without a charger. Especially when considering days that require using the iPhone 17e model for commute navigation, camera shooting, and video playback consecutively, it’s easier to assess whether the product’s advantages are truly necessary. The main usage elements are a simple configuration, Face ID, and the Apple ecosystem. Instead of recommending it solely based on high specifications, it’s better to first check if the time spent handling the iPhone 17e model and frequently used apps align with this configuration. In-store, it’s advisable to verify not only the screen size of the iPhone 17e model but also the button placements and one-handed operation range needed for a day without a charger.

According to official information, the battery playback time can be verified on Apple’s official comparison page, the screen is Super Retina XDR OLED, and the weight is verified in Apple’s official product specifications. The software support information for the iPhone 17e model states, ‘Check the availability of iOS updates from Apple Support.’ The playback time is also measured under set testing conditions, so it cannot be conclusively determined that it will be consistent in actual situations involving consecutive use for commute navigation, camera shooting, and video playback. When considering the iPhone 17e model, the larger and brighter the screen, the higher the power consumption, and the body weight may also increase. Therefore, it’s necessary to compare total costs based on storage capacity and configurations as an unlocked device or through carriers over the same period.

Before purchasing the iPhone 17e model, it’s wise to jot down your usual screen-on times and the locations where you can charge, afterward comparing 5G, brightness, and refresh rate to your actual habits. Inclusion of whether this product comes with a charging adapter, existing cable specifications, and weight after casing must also factor into cost and usability. On the official product page, check the domestic model code and storage capacity, and convert the carrier discount into the necessary usage time for a day without a charger. The key to choosing the iPhone 17e is not the order of the list, but rather leaving the features you need for your day while minimizing costs and weight for features you won’t use.

Galaxy Z Fold7 is a foldable device that opens up to a tablet-like screen, making it great for handling documents and apps simultaneously. The selection criteria for the Galaxy Z Fold7 model in this list is how it holds up on a day without a charger. Especially when considering days that require using the Galaxy Z Fold7 model for commute navigation, camera shooting, and video playback consecutively, it’s easier to assess whether the product’s advantages are truly necessary. The main usage elements are split screen, Samsung DeX, and a foldable large screen. Rather than recommending it solely because of its high specifications, it’s better to first check if the time spent handling the Galaxy Z Fold7 model and frequently used apps align with this configuration. In-store, it’s advisable to verify not only the screen size of the Galaxy Z Fold7 model but also the button placements and one-handed operation range needed for a day without a charger.

According to official information, the battery is 4,400mAh and requires verification of large screen power consumption based on usage patterns, the screen is centered around a large foldable display and multi-window, and the weight is 215g. The software support information for the Galaxy Z Fold7 model states, ‘Check the support policy on Samsung’s official product page.’ Playback time is also measured under set testing conditions, so it cannot be conclusively determined it will be the same in actual situations involving consecutive use for commute navigation, camera shooting, and video playback. When considering the Galaxy Z Fold7 model, as the screen size and brightness increase, power consumption may heighten, and the body weight may also increase. Therefore, it’s necessary to compare total costs based on storage capacity and configurations as an unlocked device or through carriers over the same period.

Before purchasing the Galaxy Z Fold7 model, it’s wise to jot down your usual screen-on times and the locations where you can charge, afterward comparing 5G, brightness, and refresh rate to your actual habits. The inclusion of whether this product comes with a charging adapter, existing cable specifications, and weight after casing must also factor into cost and usability. On the official product page, check the domestic model code and storage capacity, and convert the carrier discount into the necessary usage time for a day without a charger. The key to choosing the Galaxy Z Fold7 is not the order of the list, but rather leaving the features you need for your day while minimizing costs and weight for features you won’t use.