Smart Batteries


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Smart Batteries

  1. 1. Smart Batteries Zahid Ghadialy CTO, eXplanoTech & 3G4G Blog @zahidtg Date: 18th Dec. 2013
  2. 2. Batteries have been improving  Different generations of batteries, improving capacity and better for environment  Lead-acid batteries  Ni-Cad (Nickel-Cadmium)  NiMH (Nickel-Metal-Hydride)  Li-Ion (Lithium-Ion)  Li-Poly (Lithium-Polymer)  Samsung Galaxy S3 - Li-Ion 2100 mAh battery  iPhone 5S - Built-in rechargeable lithium-ion battery  iPad - Built-in 25-watt-hour rechargeable Li-Poly battery
  3. 3. Lots of advancements in the battery technology Future generation Li-Ion battery, 2000x more powerful Solar cell under the screen A lot still needs to be done!
  4. 4. We need bigger and better batteries  The more the number of pixels, the more the need for computation  iPhone 5S (1136x640), Galaxy Note 3 (1080 x 1920 pixels)  True colour (24 bits) requires 3 times the computation that of 256 (8 bits) colours  Galaxy Note 3 (16M colours)  The bigger the screen size, the more power it needs  Galaxy Note 3 (5.7”), iPhone 5S (4”)  More processors, need more power  Dual core (2 processors), Quad core (4 processors)  More radios suck more power  Wi-Fi, 3G, 4G, Bluetooth, NFC, etc.
  5. 5. Intelligent Battery: Renault ‘Zoe’ Car comes with no battery. User gets a contract with the battery provider. Renault reserves the right to prevent the battery from charging at the end of the rental period or if you fall behind on paying the rent for the battery.
  6. 6. What is a ‘smart’ battery? A battery that can communicate with other batteries and make decisions based on these communications and a pre-defined set of rules
  7. 7. The connected individual Headphones connected to phone or tablet Other connected device like Laptop Tablet Phone
  8. 8. Headphone needs power - 1 I am low on power, who can I borrow it from?
  9. 9. Headphone needs power - 1 I am low on power, who can I borrow it from? Take as much as you need I can lend some Communication
  10. 10. Headphone needs power - 2 I am low on power, who can I borrow it from? Sorry, I am exhausted I am 50% full but have a higher need, sorry Priority
  11. 11. Priority Rules Borrow power from Headphone Tablet Headphone Tablet Mobile Other device Not possible Possible if high priority – Automatic Possible if high priority – Manual Possible Mobile Other device
  12. 12. Wireless (Inductive) charging  Pictures Source: OKJ Discoveries
  13. 13. Charging devices I don’t need much power but I can wait I will charge first as I have highest priority I will go next Let me know when you are all done Limited time and power availability Devices decide among themselves who should charge when, how much, etc.
  14. 14. Context is important too  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.
  15. 15. Charging priority based on context Priority Rules Headphone Tablet Mobile Other device Early Morning Late Morning At Work Early Evening Late Evening Lowest priority Highest priority
  16. 16. Borrowing power from friends / colleagues Please lend me some power, phone about to die Sure, will lend you power to make this one call
  17. 17. Competing for power at public spots  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
  18. 18. Competing for power at public spots – Next Gen  ‘Smart charging’ can give higher priority to subscribers, devices of certain brands, devices with lowest charge remaining
  19. 19. What am I doing here?  Our interest is working in these future technologies in partnerships.  We generate ideas and help our partners translate these ideas into reality.
  20. 20. About eXplanoTech End to End Solutions Requirement Analysis Project Management Design, Implement. Integration & Deployment Testing Services Technology Consulting Technology Training System Integration Maintenance