Charge your PSP 2000 system battery outside the system with the
convenient Battery Charger. Blazerpro spare battery pack with
huge capacity up to 2400mah to keep your game going at all times,
and it use high-grade material, quite solid and durable. This battery
can supply maximum power for your console, and it is for PSP-2000 only,
the battery with standard size is easy for you to install and remove.

Features:

1. The maximum power equation


2. 2600mAh Lithium-ion rechargeable battery


3. For PSP-2000 only


4. The voltage is 3.6V

http://www.ishopvideogame.com/psp-2000-battery-pack-2600-mah-p-1055.html