Oh, gosh. I forgot I bought this off eBay years ago... I should go buy batteries see if it still works as sadly the mains adaptor stopped powering it for some reason.pic.twitter.com/cr9Idf5L09
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The batteries went flat during a long game of Columns. So the life is about ~3 hours ABSOLUTE MAX. 
Guess there is no need for tinkering then 
The screen is really poor quality, but it's certainly working. 

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