Synergy Digital Game Console Battery, Compatible with Nintendo GBA SP Game Console, (Li-ion, 3.7V, 900mAh) Ultra High Capacity, Replacement for Nintendo AGS-003 Battery
Specifications:
Battery Chemistry: Li-ion
Voltage: 3.7V
Capacity: 900mAh
Compatible with: Nintendo AGS-003 Battery
Works for: Nintendo GBA SP Game Console and many more