Electric car tech could help make Samsung phone batteries more efficient

While Samsung phones don’t have terrible battery life, they don’t either – in our reviews of the Galaxy S22, S22 Plus and S22 Ultra, the company’s latest three flagships, we mentioned that the battery lasted a day but usually no more.

That could change soon though. One of the company’s many branches is Samsung SDI, which makes batteries for many things, including electric vehicles – and according to Korean news site The Elec, some of the battery technology developed by Samsung SDI could end up on smartphones.

Currently, battery manufacturers use a certain technique to roll batteries into a small space, and make them as small as possible, but for electric vehicles, Samsung has been working on an even more space-efficient technique, which is a form of ‘stacking’. And apparently he’s looking to use it on a smaller scale for smartphones.

As a bit of a metaphor – rolling is like folding your clothes to fit better in a suitcase, and stacking is like using the ranger roll technique to pack clothes into a much smaller space.

According to The Elec, this new technique will increase energy density by 10% – so a phone that currently takes a 3,000mAh battery could, without changing size, now take a 3,300mAh one.

There’s no clear timeline on when we’ll see Samsung use this change on its smartphones, but we imagine the company will want to go through a series of tests before using it. So don’t expect it on the Samsung Galaxy S23


Analysis: a nice cohesion – if the price is right

It’s smart of Samsung to split its technological developments among its various arms – as long as it works for the customer.

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Electric cars are expensive vehicles. Of course, the price drops all the time, but in 2022 the technology is still quite expensive to buy. And if that’s true of the vehicles themselves, it’s probably true of the technology inside – like the batteries.

Thus, a future Galaxy phone should only use this technology if it does not increase the cost of the mobile too much. Samsung’s S-series devices are expensive enough without expensive batteries driving the price up any further.

Battery life is an important factor in any cell phone purchase and, in general, lower priced phones last longer, which can discourage people from buying more expensive devices. Samsung will therefore need a big battery without a high price to win more buyers.

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