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Friday 2 September 2016
Sony to boost smartphone batteries because people aren’t replacing phones
User frustration over battery life has steadily increased as people keep devices for longer, but the company has a solution
Sony’s new Xperia XZ and X Compact have fast-charging, USB-C and smart
battery technology, which prolongs the cell’s longevity, meaning it
should last longer.
Photograph: Samuel Gibbs for the Guardian
There was a time a few years back when a lot of people bought a new
smartphone every 18 months, as soon as the latest model dropped and
their contract was up. But that has changed.
As the rate of technical improvements slows and new models offer
little beyond a shiny new exterior, the urge to spend £600 each year has
become easier to ignore. Polling by Fluent and eMarketer in the US suggests that nearly half of smartphone users now wait at least three years between upgrades, while data from Gallup suggests more than half wait until their phone stops working or becomes “totally obsolete”.
While the features may not date so fast and the outside may still
look good as new after two years of use, the battery will almost
certainly have had it. Now Sony is trying to fix that, but not by fixing the battery.
Sony’s new top-end Xperia XZ and Xperia X Compact Android smartphones
both have the company’s new battery longevity technology. Photograph:
Samuel Gibbs for the Guardian
That’s because the lithium ion cells within smartphones don’t exactly
need fixing – they will continue to work for years – but their ability
to hold their original amount of charge rapidly diminishes with repeated
recharging cycles.
Everyone
who finds themselves with a chunky battery pack for their new
smartphone or desperately searching for a charger by mid-afternoon knows
battery capacity is a never-ending headache that only gets worse as a
smartphone, and its battery ages. Rather than fixing the battery, Sony
wants to do something about the recharging.
Jun Makino, Sony mobile’s senior product marketing manager, says:
“People are starting to keep hold of their phones for way more than two
years usage, so we’ve been looking at ways to try and prolong the life
of the smartphone.
“We’ve started learning your charging cycles so that our new Xperia X
smartphones only complete charging to 100% when they estimate you’re
about to start using them, so that the damage caused by maintaining a
battery at 100% is negated.”
This is important, a battery that’s usually kept at a charge between
20% and 80% of its capacity is much healthier - it’s going to the
extremes that wears it out at a faster rate.
The Japanese electronics firm has partnered with Californian adaptive
charging company Qnovo to put technology into its Xperia smartphones.
This includes the new top-end Xperia XZ and Xperia X Compact, which Sony
reckons will double the life of the battery to around four years.
The premium rounded glass and aluminium body and flat tops bring an
unusual look to Sony’s latest smartphones. Photograph: Samuel Gibbs for
the Guardian
Qnovo’s technology carefully controls the voltage put into the
battery at the same time as delaying the full charge, helping to fast
charge without damaging the cells.
“Of course, we’d still like it if you bought a new Sony phone, but we
realise longevity is a trend and we want to help with battery
technology and services on the phone such as the Smart Cleaner and
Xperia tips that learn your behaviour and help keep it running like new
for longer,” said Makino.
For Sony, the new Xperia X line, and particularly the new flagship Xperia XZ launched at IFA in Berlin on Thursday, needs to do things differently to try and attract new customers.
The company has struggled over the past few years, with declining
sales and smartphones that while technically very good, have failed to
capture buyers’ interest in the face of stiff competition from
market-leader Samsung, Apple and rising Chinese smartphone brands such
as Huawei.
Is extending battery longevity an idea that will recharge Sony’s fortunes? Only time will tell.
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