Specifications:

• Voltage: 3.7V
• quantities: 2pcs batteries with screwdrivers
• Nintendo Model: GameBoy Advance
• Model Number: for GBA SP Battery
• Compatible model: for Game Boy Advance GBA SP
• Compatible Brand/Model: Nintendo
• Brand Name: GOLDFOX
• Battery Type: Rechargeable Lithium-ion Battery
• Battery Capacity: 850mAh