Model Number: SPK-Solar-S01 Brand Name: SPK Key Specifications/Special Features: Introduction:This product is a multifunction solar emergency chargerBuilt-in rechargeable batteryCan be charged Via USB interface for mobile phone, digitalcamera, MP3, MP4, PDAStyle design and convenient to take it with you

Specifications:

• Peak power supplied by photocell: 1.54W
• Operating voltage: 5.5V (max)
• Charging current: 280mA
• Battery capacity: 2,800mAh/3.8V
• Output voltage: 4.5^9V (adjustable)
• Output current: 1A (max)
• Output power: 4W (max)
• Battery life: >500 cycles
• Dimensions: 137 x 79 x 24mm
• Weight: 240g