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Author Topic: Battery bank  (Read 1511 times)

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Offline nicksydneyTopic starter

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Battery bank
« on: November 11, 2016, 01:33:35 pm »
Hi,

I want to make a DIY battery bank for my Nexus 7 tablet. Bought few 18650 battery and was thinking of wiring them up as shown in the picture. Can you tell me whether I'm doing it the right way ?

Another thing also I want to be able to recharge the battery so looking around found this board https://www.aliexpress.com/item/3-Serial-12A-Charging-Protection-Board-For-Polymer-Lithium-Battery-12V-Short-Circuit-Protection/32738039954.html. In terms of recharging the battery can I hook the + and - directly into this PCB

Thanks
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Offline danadak

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Re: Battery bank
« Reply #1 on: November 11, 2016, 03:21:48 pm »
I think you need to take a deeper look at this problem, especially from a safety / fire hazard point of view.


http://www.atmel.com/images/doc2599.pdf

https://media.blackhat.com/bh-us-11/Miller/BH_US_11_Miller_Battery_Firmware_Public_WP.pdf



Regards, Dana.
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Love Cypress PSOC, ATTiny, Bit Slice, OpAmps, Oscilloscopes, and Analog Gurus like Pease, Miller, Widlar, Dobkin, obsessed with being an engineer
 
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Offline nicksydneyTopic starter

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Re: Battery bank
« Reply #2 on: November 13, 2016, 12:33:50 pm »
Found a good video tutorial on how to do it

Thanks
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