460mAh 3.8V Rechargeable Lithium-ion Battery Kit Pack for Nintendo GBM Game Boy Micro   Features: *Long life power supply, can be charged or discharged hundred times *Power voltage: 3.8V, 460mAh *Ideal for replacing your damaged or unused battery for Nintendo GBM *Perfectly fits your Nintendo GBM *Easy to install *size: 3 x 2 x 0.5cm   Note: *when leading the battery, make sure it is oriented correctly *the battery initially not charged, be sure to charge the battery before using it for the first time   Compatible with: Nintendo GBM / Gameboy Micro