Up to 10-hours of additional gaming with the unbeatable Ansmann PSP power pack! 5-Volt Li-Ion, 3200 mah, external battery pack charges thru PSP power converter or direct from PC/MAC USB plug. (USB cable included) Also charge while playing. Life cycle is 500 recharges. Received 9.0 rating from gamers report. You can read the review here

Also received an "A" Highly recommended rating from PSP World. Read the review here

Ideal for viewing DVD- movies while traveling, or extended gaming.

Li-Ion rechargeable battery; output voltage 5V, output current max: 1000 mA, capacity: 3200 mAh, charging time: 6.5 hours; life time: 500 cycles; operating temperature: approx -10 to 40 C; dimensions 100 x 62 x 15 mm; weight 130g