[OLPC-SF] Power anyone?: Failing adapters and batteries

[Sameer Verma]

On Fri, Nov 18, 2011 at 5:34 PM, Cherry Withers <cwithers at ekindling.org> wrote:
> Hi Folks,
>
> Please see a snippet of a report below from our support person in Lubang
> Philippines. Can't say our group wasn't bracing for this. The source of the
> failures for 1) and 2) is yet to be determined. Our support person there do
> not have the equipment nor the time to go in depth on figuring it out (he
> did some initial tests based on troubleshooting guidelines available
> online). But one thing that's of great concern for our group was the
> frequent power outages in the island. We've witnessed the power cycling 5-6
> times when we were there. We can't go on replacing these parts until we at
> least address a healthy power supply.
>
> So having said that...I know this had already been done somewhere and we
> don't want to re-invent the wheel. I am looking for designs for bulk/gang
> chargers (200 laptops) with surge protection built in and which takes
> advantage of local materials, and potential to scale (we can't afford solar
> panels yet). The link to the XO Bulk charger on the OLPC-SF page gives me an
> error.
>
> Thankfully, the children are managing with charging their laptops in
> neighbors homes and the teachers brought extension cords so the ones without
> working batteries can work in the classroom. They are managing ok for now.
>
> Thanks,
> Cherry
>
> -----------------------------------------------------------
> Good PM! With regards to our OLPC Program here in Lubang we wish to raise
> some concerns on our XO Laptops:
> 1.      We already have 30 units of non-working chargers, 20 units from the
> 1st deployment (launched November 2010) and 10 units for the second
> deployment (launched Oct 2011. Four weeks of use!!!).
>
> 2.      We have 15 units of non-working XO Laptop batteries, 9 units from
> the 1st deployment and 6 units from the 2nd deployment .
>
> 3.      We found some problems on the Internal Storages of XO Laptops
> specifically the Micro SD Storages, 2 units from the 1st deployment and 8
> units from the 2nd deployment.
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> OLPC-SF at lists.laptop.org
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>
>

Jamaica has seen more than its fair share of white AC charger failures
on the 1.5 . We now have bulk chargers at the school made out of PC
power supply units andempty PC cases (Craig Perue cc'd).

cheers,
Sameer
-- 
Sameer Verma, Ph.D.
Professor, Information Systems
San Francisco State University
http://verma.sfsu.edu/
http://olpcsf.org/