Built-in high capacity power cell rechargeable up to 1,000 times. Powerful enough to charge your portable electronics using the POWER of the SUN. Provides a source of POWER when away from outlets. The Solar Charger can be charged 3 WAYS : AC power adapter charging 2-5 hours, Computer charging 3-5 hours, Solar Charging 10-12 hours. Includes all adapter tips to charge and power your mobile phones.