Boost the length of the playing time on your PSP with the SONY Stamina Battery Pack. Perfect as either an upgrade, replacement or spare battery for your PSP.  The Stamina battery pack has many features, including:

• Up to 20% more battery life compared to the standard PSP-110 U battery.

• 3.6 V.

• 2200 mAh.

• Compatible with 1000 models. Also compatible with 2000 (Slim) models, but an additional battery casing is required.
  

• An official SONY PSP product.