This original presentation from 2013 has been made into a video to discuss the concept of smart and intelligent batteries and how they will change the way our devices charge and use power. Video is available here: https://www.youtube.com/watch?v=gBtwdZsiRAM All our #3G4G5G slides and videos are available at: Videos: https://www.youtube.com/3G4G5G Slides: https://www.slideshare.net/3G4GLtd 5G Page: https://www.3g4g.co.uk/5G/ Free Training Videos: https://www.3g4g.co.uk/Training/

1. The Futuristic Concept of
‘Smart & Intelligent’ Batteries
Zahid Ghadialy,
Principal Analyst and Consultant
@3g4gUK

2. ©3G4G

3. What is a ‘smart & intelligent’ battery?
A battery that can communicate with other
batteries and make decisions based on these
communications and a pre-defined set of rules
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4. The connected individual
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Headphones
connected to
phone or tablet
Phone
Tablet
Other connected
device like Laptop

5. Headphone needs power - 1
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I am low on
power, who can I
borrow it from?

6. Headphone needs power - 1
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Communication
I am low on
power, who can I
borrow it from?
I can lend
some
Take as much
as you need

7. Headphone needs power - 2
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I am low on
power, who can I
borrow it from?
I am 50% full
but have a
higher need,
sorry
Sorry, I am
exhausted
Priority based Decision Making

8. Priority Rules
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Headphone Tablet Mobile Other device
Headphone
Tablet
Mobile
Other device
Not possible
Possible if high priority – Automatic
Possible if high priority – Manual
Possible
Borrow power from

9. Charging Priority
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Limited time and power availability
Devices decide among themselves who should charge
when, how much, etc.
I will charge
first as I have
highest priority
I don’t need
much power but
I can wait
I will go next
Let me know
when you are all
done

10. Context is important too
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• Early morning: X goes for a jog with smartphone and headset. The
smartphone has GPS tracker and fitness app – highest priority
• Late morning: X goes to work listening podcasts on the
smartphone
• At work: X needs to work on laptop, should always be at least 50%
charged
• In evening: X is coming back from work, speaking on phone to his
friends and family. Phone and Bluetooth headset needs to be
charged
• Late evening: X is watching TV/Video on his tablet.

11. Charging priority based on context
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Headphone Tablet Mobile Other device
Early Morning
Late Morning
At Work
Early Evening
Late Evening
Priority Rules
Lowest priority Highest priority

12. Borrowing power from friends / colleagues
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Please lend me
some power, phone
about to die
Sure, will lend you
power to make this
one call

13. Competing for power at public spots
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• Facility to charge devices in public places is a boon for end user and
good advertisement for companies and airports, etc.
• Wired charging stations are being replaced by wireless ones

14. Competing for power at public spots – Next Gen
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• ‘Smart charging’ can give higher priority to subscribers, devices of
certain brands, devices with lowest charge remaining

15. ©3G4G
This was presented in 2013
What’s happened since then

16. Sony’s Patent from 2016
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Guardian article from Mar 2017:
• Filed in 2016, the patent is an evolution of existing wireless charging concepts,
based on transmitting power through an (unspecified) antenna-based system.
• The company’s patent describes a voluntary system for identifying power
hungry devices, and initiating bidirectional transfers of energy storage between
them. That is, you would be able to see your and your friends’ phones, and
click on any one to begin transferring power to them, just like the way you can
currently scan for wifi hotspots right now.
• Don’t expect the transfer to be the height of efficiency, though. If the patent
ever does reach implementation, it’ll still have to contend with the laws of
physics: converting power into radio waves and back again is an extremely
lossy process however it happens.

17. 2017 – Android able to charge other devices
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18. CES 2018: Directional Charging OTA
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BBC Report from CES 2018

19. 2018: Reverse Wireless Charging goes mainstream
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Picture source & article: Android Central

20. Thank You
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