In this test we compare the original 460 maH battery that came with the gameboy micro to an aftermarket 600 maH battery! How does the battery hold up? The answer may surprise you!! Watch the video to find out! http://gbatemp.net/threads/gameboy-micro-factory-460-mah-battery-vs-600-mah-aftermarket-battery-video-charts.455023/ Purchase Link: http://www.ebay.com/itm/600mAh-OXY-003-GPNT-02-Battery-Kit-for-Nintendo-Game-Boy-Micro-OXY-001-/252209188824?hash=item3ab8d6cfd8:g:vc4AAOSw3mpXKldv
If your game boy micro (OXY-001) wont turn on and the led start/select buttons only flash once when you plug it in. you need a new battery (GPNT-02, OXY-003). there only about £7/$10 on ebay. and you will also need a small Philips screwdriver.