Amazon.com: Uwayor Gameboy Advance SP Battery, 900mAh GBA SP Battery Replacement for Nintendo Gameboy Advance SP with Tool : Video Games
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Question about battery life. My new SP fully charged has about 2 hours of battery life before turning on red low battery. Is this normal for this type of battery? : r/Gameboy
Best Game Boy Advance SP Battery Replacement - Nerd Techy
Gameboy Advance SP Battery Rechargeable For Nintendo Game Boy GBA or AC charger | eBay