We are offering solar power bank. High temperature resistant li-polymer solar power charger 5000mah shockproof1.shockproof design solar power charger2. 5000mah capacity can charge most mobile phones over twice.3. Using high temperature resistant grade a li-polymer cells4. Manufactured by iso:9001:2008 approved factory.5. Msds, ce, rohs, fcc certificates are available.6. Universal solar power charger for mobile phones, mp3 and other devices using 5v power.