Li-Ion Rechargeable Battery for PSP PSP1000 PSP 1000(not for PSP Slim)
Features:
1. Overcharge protection, no memory effect.
2. Photo is representative of actual battery.
3. Battery is not "name brand", but a high-quality equivalent.
4.Battery is brand new, never used, not refurbished in factory packaging.
5. Battery will charge in the same manner as your original battery. 
Specifications:
Quantity: One (1)
Chemistry: Lithium Ion (Li-Ion)
Output Voltage: 3.7V
Capacity: 1800mAh
Color: Black
Compatible with:
Parts for PSP PSP1000 PSP 1000 (not for PSP Slim)