This product is a multi-function digital mobile solar power supply. The intelligent automatic voltage regulation technology, which can monitor the discharge voltage and current, gives our product is a strong security protection. With the small and exquisite and novel casing, the built-in large-capacity rechargeable lithium polymer batteries are applied in a wide scale, durable and cost-effective. So you can use it to charge your digital products, such as mobile phones, digital cameras, PDA, PSP, MP3, DV and so on, at all times and all places.