Battery: the 6 best Android smartphones of 2021 for autonomy

This is a major criterion when looking for a new smartphone. What will be its maximum autonomy? Obviously, not all models are in the same boat. To help you in your research, here is a selection of Android smartphones that will allow you to benefit from the best battery life in 2021.

Battery: the best smartphones

In our ultra-connected lives, being out of battery can cause a lot of inconvenience. Especially if you absolutely need it to work or to contact your loved ones. In order to avoid getting there, several options are available to you. An external battery can allow you to give your smartphone a boost. But you can also already opt for a very enduring model in terms of autonomy. This is precisely the subject of this buying guide which focuses exclusively on Android smartphones able to hold the road for a long time.

Smartphone autonomy: what you need to know

Obviously, the autonomy of your smartphone depends on the use you make of it. Doing games of video games will necessarily consume more battery than a simple trip to your favorite social networks. The size and definition of the screen will also affect battery life, as will its brightness. For the latter to consume less energy, it is sufficient to reduce its level. You can also opt for the dark mode or the energy saving mode which will allow you to gain autonomy.

When they scrutinize the various criteria of smartphones, users focus (rightly) on the number of milliampere-hours (mAh). From 4000 mAh, your smartphone is also supposed to stay on for a day. However, it should be borne in mind that the way in which the phone is optimized under the hood is of great importance when it comes to battery life. In other words, some smartphones will last much longer than others, at the same capacity.

Same fight for charging power. Some models will charge faster than others via a charger with the same level of Watts. We have selected for you six models known for their increased autonomy. If the battery is an essential criterion for you, you will inevitably find what you are looking for in this buying guide.

Read also >> Battery life: how to prevent Google Play services from draining your smartphone battery

6 smartphones to choose from for their autonomy

ASUS Rog Phone 5

ASUS ROG PHONE 5

Designed for gaming, this smartphone has two batteries each reaching 3000 mAh. The presence of two separate accumulators makes it possible in particular to limit heating. During average use, the Rog Phone 5 comes close to 20 hours of battery life, which is a very good score. In particular, the 28 hours can be reached by activating the automatic variable refresh rate. Another good point, the fast charge (65W) is also part of the game.

This smartphone will indeed be an asset for mobile gamers or for users, anxious to watch an abundance of films and series on their phone. Among its other appreciable features, the Rog Phone 5 sports a 6.78-inch Full HD + AMOLED screen. It also has a triple rear photo sensor (64, 13 and 5 Mp) and can record sequences in 8K. Under the hood, it incorporates a Qualcomm Snapdragon 888 processor assisted by 256 GB of internal memory and 12 GB of RAM.

Le Xiaomi Redmi Note 10 Pro

The REDMI NOTE 10 Pro

Much less expensive, this Xiaomi smartphone has a 5020 mAh battery. It will allow you to benefit from an autonomy of 16 hours on average. Which is more than honest for a smartphone nesting below the 300 euros mark. What’s more, it is compatible with the 33 W fast charge. Which will allow you to reach 59% of charge in just 30 minutes.

This Xiaomi phone works around a Qualcomm Snapdragon 732G processor, supported by 6 GB of RAM and 128 GB of internal storage. It also embeds a quadruple photo module. Which is composed of a 109 MP wide-angle sensor, an 8 MP ultra-wide-angle, a 5 MP tele-macro camera and a 2 MP depth sensor. In addition, its 6.67-inch AMOLED screen offers an FHD + definition of 2400 × 1080 pixels. We also appreciate its refresh rate of 120 Hz, which is not necessarily common for an entry-level smartphone.

Le Realme C3

Realme C3 smartphones

With its massive 5000 mAh battery and very attractive price, the Realme C3 is an alternative worth a look. Concretely, it offers a capacity of 5000 mAh which allows the autonomy to go beyond 25 hours. It can withstand the shock for four days in conventional use. On the other hand, its recharge time is particularly time-consuming, three hours being necessary to reach 100%.

If you absolutely want to take beautiful shots, this smartphone is not for you. His photos are difficult to convince, especially when the ambient light is low. Its HD + LCD screen (1600 x 720 pixels) at 60 Hz also leaves something to be desired. Conversely, its Mediatek Helio G70 SoC, coupled with 3 GB of RAM and 32 GB of internal memory, allows you to enjoy very honest performance, especially in multitasking.

The Motorola Moto G9 Power

Motorola Moto G9 Power

This Motorola smartphone still has a 6000 mAh battery. A capacity that is far from commonplace among the competition. It also works with fast charging (20 W) but still takes more than two hours to fully charge. As for its autonomy, it can quite reach two days, even three days if you try to optimize your use.

Apart from its high-end autonomy and its large diagonal of 6.8 inches, however, it struggles to seduce on other notable aspects. Namely: the photo module and the definition (HD) of the screen which have regressed compared to the G8 Power.

The Wiko Power U30

The Wiko Power U30

This smartphone which costs less than 200 euros shines thanks to its very good autonomy. This can count on a battery with a capacity of up to 6000 mAh. What to resist for a long time without having to go through the reloading box. According to the DxOMark laboratory, the smartphone can still last 80 hours in moderate use. Or for almost four days, a more than honorable score! In more traditional use, it will hold the shock for nearly 25 hours, which is already largely adequate.

However, we regret that it only benefits from a charging power of 15 W (two hours on average to obtain a full charge). Besides the battery, its camera can take pictures with an acceptable quality, only in a bright context. Its IPS HD + display with a refresh rate of 60 Hz is far from being optimized for video streaming or gaming. That being said, it will be perfect for surfing networks and the Web.

I live the Y20S

I live Y20s

With its 5000 mAh accumulator, this smartphone presents itself as a very enduring smartphone. Concretely, it borders on 23 hours of autonomy. It is thus able to remain on the attack for two days in conventional use. To recharge all this, it takes almost two hours.

Like some of its low-cost rivals, its impressive endurance is a bit of a tree hiding the forest. Especially on the side of the photo module which struggles to offer good quality shots. A good surprise, however, in terms of its performance, very decent, enabled by its SoC Snapdragon 460 supported by 4 GB of RAM. Gaming enthusiasts will find their account there.

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