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BBC

Back in the spring of last year, StoreDot released a video on YouTube which showed a new type of battery that could re-charge in just 30 seconds. The demo showed a modified Samsung Galaxy S4 with a large prototype battery stuck on the back. Once plugged in the battery re-charged in under 30 seconds. Now 9 months later, StoreDot is at CES trying to get support for its new technology and Leo Kelion from the BBC managed to get a fresh look at the current state of this future battery design.

The new rig that StoreDot is demonstrating now shows a phone with a battery that is the same size as a normal smartphone battery. Likewise the charging cradle has been refined and looks much closer to the type of charging cradle used in the early days of mobile devices.

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Although these new batteries have a lot of potential, don’t expect to see a replacement battery for your existing phone. They can’t be retrofitted to present phones as the current needed to charge the phone is huge, around 40 amps, much larger than the 1 or 2 amps used today.

The battery is built using specially synthesized organic molecules which allow the ions to move from an anode to a cathode at a high speed. However the technology still needs to be perfected. The new slimmer battery in the current demo is only a 900mAh unit, around one third of what is found in a modern smartphone. To create a device with a 2000mAh battery, phone makers would need to add an extra 5mm to the thickness of the handset. The current 2000mAh batteries from StoreDot take around 3 minutes to charge. Storedot’s goal is that by 2017 it will be able to create batteries of the same size and capacity as today’s units.

For a more information on this new tech then you can watch the BBC’s interview with Doron Myersdorf, StoreDot’s chief executive.