Game Boy Advance SP Dedicated Battery Pack 3.7 v (Genuine Product)

Name: Game Boy Advance SP Dedicated Battery Pack 3.7 v (Genuine Product)
Brand: Nintendo
Availability: OutOfStock

※Please note that product information is not in full comprehensive meaning because of the machine translation.

Japanese title: GBAハードゲームボーイアドバンスSP専用バッテリーパック 3.7V (純正品)