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pumpytums
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Well I have decided on a single 18650 lipo cell (Protected). I really don’t think I can fit 2 in. I have sourced a dc-dc Step up board and I have also found a little 3w amp board

3V to 5V 1A DC-DC Converter Step Up Boost Module NEW

http://www.ebay.co.uk/itm/221944769808?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Mini 5V Digital Power Amplifier Board PAM8403 Class D 2x3W NEW

http://www.ebay.co.uk/itm/221948451399?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

I found some 8 ohm speakers cheap from HK that will fit nicely in the Game boy.

1W 8 Ohm 28mm Round Metal Shell Internal Magnetic Speaker Replacement 4Pcs

http://www.ebay.co.uk/itm/291569968869?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

I have found a company in the UK that sells the lipo packs

I’m planning on charging the cells externally If I can get them out it may be a little tight as they are 68mm long. Failing that I can still use 4 AA rechargeable cells to test it prior to getting the lipos.

XTAR MC1 USB Li-Ion BATTERY CHARGER 18650 18500 18350 14500

2x Torchy (Panasonic Inside) 3400mAh Protected 18650 3.7v Li-ion batteries

http://www.ebay.co.uk/itm/2x-Torchy-Panasonic-Inside-3400mAh-Protected-18650-3-7v-Li-ion-batteries-/291701476979

I found an interesting build that used wire for the button input pcb contacts I may try that and buy a reel of 24k gold plated wire.

http://www.instructables.com/id/Gameboy-LCDRaspi-Upgrade/?ALLSTEPS

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