Additional batteries and external battery chargers
#1
As the battery is going to be a 3A one (3.000 mA)

Having the ability to change it, and a device to recharge the external/s one/s would be a great deal.

Even the chance of purchasing the same format but with higher density batteries, with 4.5 A or even 6A in a near future would be interesting.

Also, it would be great to have it tested about the average duration with every OS, and how much it spends in idle, with the screen on, and playing some cross-platform or emulated game.
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#2
The battery used will be identical to the Samsung J7 3000mAh battery - those will run you $10 on amazon/ ebay.

As for the tests - its too early for that.
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#3
Question 
(10-24-2019, 04:34 PM)Luke Wrote: The battery used will be identical to the Samsung J7 3000mAh battery.

A quick search shows quite a variable size of the battery for "the" Samsung J7, depending on
year and full device name. And given suffices like neo, duos, etc, I may have missed a few more sizes.

The BJ700 and BJ710 are the common ones, so the BJ700* for the 2015 J7 might fit.

size in mm                                  capacity        example dev   Samsung part
76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE / ...
100.12 x 48.56 x 4.90 mm        3300mAh      J7 2016          EB-BJ710CBC / CBA / ...
85.88   x 39.50 x 4.30 mm        3000mAh      J7 Neo 2017   EB-BJ731ABE / ...

(names and interestingly "exact" sizes as mentioned in ebay listings, unverified; and I've no idea about user-visible diffs between e.g. BBC, BBE).

Luke, can you give exact device name or battery part name?

thx
\Freff
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#4
*  Can we get the measurements of the battery compartment  ?
...  Most of the Ebay sellers are happy to give you their battery measurements.

. Thanks  !
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#5
(11-21-2019, 10:55 AM)Freffyinkan Wrote:
(10-24-2019, 04:34 PM)Luke Wrote: The battery used will be identical to the Samsung J7 3000mAh battery.

A quick search shows quite a variable size of the battery for "the" Samsung J7, depending on
year and full device name. And given suffices like neo, duos, etc, I may have missed a few more sizes.

The BJ700 and BJ710 are the common ones, so the BJ700* for the 2015 J7 might fit.

size in mm                                  capacity        example dev   Samsung part
76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE / ...
100.12 x 48.56 x 4.90 mm        3300mAh      J7 2016          EB-BJ710CBC / CBA / ...
85.88   x 39.50 x 4.30 mm        3000mAh      J7 Neo 2017   EB-BJ731ABE / ...

(names and interestingly "exact" sizes as mentioned in ebay listings, unverified; and I've no idea about user-visible diffs between e.g. BBC, BBE).

Luke, can you give exact device name or battery part name?

thx
\Freff

76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE /
You can find me on IRC, Discord and Twitter


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#6
* Great ! Thank You ! :-)
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#7
I suspect once enough of the community, have the phone in hand, 3d printed battery adaptations will arise,  either to adapt the contact pattern for other batteries, or even rear case adaptations to allow for larger batteries....   the possibilities are many.

as for external battery packs...  should be plug and play for all the usb-c variants...

maybe  the pine team could  provide  STL files for the back case,  which would give the community an early leg up...    Smile
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#8
(11-25-2019, 04:30 PM)hockleyj Wrote: I suspect once enough of the community, have the phone in hand, 3d printed battery adaptations will arise,  either to adapt the contact pattern for other batteries, or even rear case adaptations to allow for larger batteries....   the possibilities are many.

as for external battery packs...  should be plug and play for all the usb-c variants...

maybe  the pine team could  provide  STL files for the back case,  which would give the community an early leg up...    Smile

Here is the back case file: https://app.box.com/s/g1n9cvg60cg66utdhs7m5my1ftvd0jj8
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#9
(11-21-2019, 03:27 PM)Luke Wrote:
(11-21-2019, 10:55 AM)Freffyinkan Wrote:
(10-24-2019, 04:34 PM)Luke Wrote: The battery used will be identical to the Samsung J7 3000mAh battery.

A quick search shows quite a variable size of the battery for "the" Samsung J7, depending on
year and full device name. And given suffices like neo, duos, etc, I may have missed a few more sizes.

The BJ700 and BJ710 are the common ones, so the BJ700* for the 2015 J7 might fit.

size in mm                                  capacity        example dev   Samsung part
76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE / ...
100.12 x 48.56 x 4.90 mm        3300mAh      J7 2016          EB-BJ710CBC / CBA / ...
85.88   x 39.50 x 4.30 mm        3000mAh      J7 Neo 2017   EB-BJ731ABE / ...

(names and interestingly "exact" sizes as mentioned in ebay listings, unverified; and I've no idea about user-visible diffs between e.g. BBC, BBE).

Luke, can you give exact device name or battery part name?

thx
\Freff he replied

76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE /

 When I contacted a vendor asking about the size of his ' J7 '  battery,

*  His reply was that there is more to be concerned with than just size.

Apparently there are chips in the batteries with firmware that must agree with your particular phone...?

He 'suggested' using batteries that were approved by your particular manufacturer...  errr  ? ?

UNLIKE my truck,  I just get the biggest/ highest rated that will physically fit in it.

I guess the circuitry in a cell phone is more particular  ?

**  Is there a particular model of phone we can compare the Pine phone to,  to 'match-up' the battery  ?

THANKS
      LINUX = CHOICES
         **BCnAZ**
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   Donate to $upport
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#10
(11-30-2019, 02:50 PM)bcnaz Wrote:
(11-21-2019, 03:27 PM)Luke Wrote:
(11-21-2019, 10:55 AM)Freffyinkan Wrote:
(10-24-2019, 04:34 PM)Luke Wrote: The battery used will be identical to the Samsung J7 3000mAh battery.

A quick search shows quite a variable size of the battery for "the" Samsung J7, depending on
year and full device name. And given suffices like neo, duos, etc, I may have missed a few more sizes.

The BJ700 and BJ710 are the common ones, so the BJ700* for the 2015 J7 might fit.

size in mm                                  capacity        example dev   Samsung part
76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE / ...
100.12 x 48.56 x 4.90 mm        3300mAh      J7 2016          EB-BJ710CBC / CBA / ...
85.88   x 39.50 x 4.30 mm        3000mAh      J7 Neo 2017   EB-BJ731ABE / ...

(names and interestingly "exact" sizes as mentioned in ebay listings, unverified; and I've no idea about user-visible diffs between e.g. BBC, BBE).

Luke, can you give exact device name or battery part name?

thx
\Freff he replied

76.17   x 63.23 x 4.71 mm        3000mAh      J7 2015          EB-BJ700BBC / BBE / CBE /

 When I contacted a vendor asking about the size of his ' J7 '  battery,

*  His reply was that there is more to be concerned with than just size.

Apparently there are chips in the batteries with firmware that must agree with your particular phone...?

He 'suggested' using batteries that were approved by your particular manufacturer...  errr  ? ?

UNLIKE my truck,  I just get the biggest/ highest rated that will physically fit in it.

I guess the circuitry in a cell phone is more particular  ?

**  Is there a particular model of phone we can compare the Pine phone to,  to 'match-up' the battery  ?

THANKS

I have no expertise in this area but I have heard of some OEM batteries that might contain the NFC component/aerial for a phone.
And the cheep "Chinese knockoffs" only provide the battery part itself with no NFC.

Subsequent fitment of the knockoff battery might make the basic phone work ok ... but not the NFC function any more.

That might be what is meant by checking "the battery chips".
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