Battery & Charger

The Samsung Galaxy A9 (2018) comes with a fairly large 3,800mAh battery – while paired with the power-hungry Snapdragon 660, how long does it actually last?

We did our usual battery test on the Galaxy A9 (2018), and this is the data we obtained:

Samsung Galaxy A9 (2018) battery life benchmark

Fairly decent, I’d say. The 3,800mAh battery inside the Galaxy A9 (2018) can last for more or less about a full day given that a little conversation is needed. Obviously not the longest in terms of battery life, but considering that Samsung is using the higher powered Snapdragon 660 chipset, it is understandable to last for about 12.75 hours in our test.

Charger

The Samsung Galaxy A9 (2018) also comes with Samsung’s Adaptive Fast Charging charger. This charger can output a total of 9V at 1.67A, which totals up to 15W. Definitely not the fastest when it comes to fast charging, but it is indeed faster than the usual 5V 2A chargers.

Samsung Galaxy A9 (2018)

Take a look at the graph here where we compare the charging time of the Adaptive Fast Charging charger and a usual 5V 2A charger for the Galaxy A9 (2018).

Samsung Galaxy A9 (2018) battery charging graph curve

With Adaptive Fast Charging, the Samsung Galaxy A9 (2018) takes about 30 minutes to reach 50% battery charge, and a total of 51 minutes to reach 75% charge.

On the usual 5V 2A chargers however, it takes 43 minutes to reach 50% charge and a total of 74 minutes to reach 75% battery charge.

That is a stark difference!


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REVIEW OVERVIEW
Design & Materials
9
Software
8
Connectivity and ports
9
Screen
9
Specifications
9
Camera
6
Battery and charger
9
Value
6
The enthusiastic nanoelectronic engineer who found his way into simplifying the world of tech for everyone. Introverted, but noisy. Nice to meet you!

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