For most people, the battery charge on the smartphone lasts about 24 hours. At the latest after one day, the mobile phone usually no longer gets out of power and needs replenishment from the socket. The lower the battery life the more annoying for the user, he has to charge the phone more often. Therefore, for customers buying a smartphone and the performance of the battery is of great importance. The manufacturers promise better and better battery life for the smartphone. And often advertise this with the stand-by duration of a device.
Smartphone battery: a month without charging?
And there should be them: smartphones that last as long as our cell phones used to, because the battery is very powerful. In some cases, a battery charge should last for more than 30 days. But is that even realistic? TECHBOOK has Markus Brner ofMEET Battery Research CenterWestphalian Wilhelms University in Mnster in demand.
There is, for example, the Acer Liquid Z630, which is not one of the most modern models in the smartphone market, but at least the manufacturer indicates a stand-by duration of 34 days. For the user, it sounds like he does not need to charge the smartphone within this time. Can there be a charge-free time of more than four weeks?“Admittedly, these numbers sound very impressive at first, but in most cases manufacturers’ instructions are to be treated with caution,” says battery expert Markus Brner to TECHBOOK.
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Stand-by does not mean operating time
The indication of the standby duration would be determined by the energy management of the device. That means it depends on what we do exactly with our smartphone.This means that the stand-by duration is not synonymous with the operating time. If we were to think about how many times we turn our smartphone display on and off to see if we’ve just received a message on our phone – all these activities consume power.
The battery details of theAcer Liquid Z630the expert has looked at once. The battery has a relatively large capacity with 3.9 Ah, which is why it needs a larger space and pull a higher weight of the smartphone and slightly higher material costs.That’s itLiquid Z630compare with other smartphones bigger and heavier. “The cell chemistry and the structure of the battery used here are not very different from the lithium-ion batteries that are installed in other smartphones. Thus, the battery is inLiquid Z630Unfortunately, nothing special, “says Brner.The battery life depends solely on the user and the settings.
Current models with long battery life
On the market are currently also smartphone models with more realistic information about the battery life. At the beginning of this year, colleagues at Computer Bild tested some cell phones and their battery life. In stand-by mode – that is, when the phone does not actually work – the following devices were at the forefront:theHuawei Mate 20 X (919 hours), Motorola Moto E5 (895 hours), Honor 8 Pro (756 hours), Xiaomi Pocophone F1 (754 hours) and Huawei Mate 20 Pro (750 hours).In the scope of application “Surfing the WLAN” belongedMotorola Moto E5 (9.5 hours), Huawei Mate 20X (8.8 hours), Huawei Mate 20 Lite (8.7 hours), Huawei Mate 20 Pro (8.7 hours), Huawei P20 Pro (8.6 hours) Hours) and Huawei Mate 20 (8.6 hours) to the test winners.