·Highly versatile with as many as 4 different connectors/tips, compatible with most cell phones, PSPs, MP3/MP4s, PDAs, digital cameras, electronic dictionaries, IPAQs ·Specification: Input: AC100V-240V Output: 5.5V 800mA Li-polymer Battery: 2600 mAh ·Compatibility list: Connector/Tip 1: 2 mm round pin, suitable for Nokia phones Connector/Tip 2: 3.5 mm round pin, suitable for NK02 Nokia phones Connector/Tip 3: Wide connector, suitable for Sony Ericsson phones Connector/Tip 4: Mini USB, suitable for HTC phones, Blackberries and Motorola phones ·Package Included: Solar Panel x 1 AC Adapter x 1 USB Output Cable x 1 Connectors x 4 ·Usage: 1. Pre-charging the solar charger: a, Place the solar panel under direct sunlight, the charger will transfer sunlight into electric power. It takes an approximate 10-15 hours for the battery to be fully charged depending on the intensity of sunlight; b, or, pre-charge the solar charger with AC adapter that comes with the kit. It takes an approximate 3-5 hours for the battery to be fully charged this way. The green LED on the AC adapter will go off when the battery is fully charged; c, or, pre-charge the solar charger from USB ports. 2. Charging cell phones and other digital devices with the solar charger: (1) Select from the four connectors the right connector/tip that goes with your cell phone or other digital devices. (2) Fit the connector onto the correct end of USB output cable (the one with the hole) (3) Insert the other end of the USB output cable (the one with USB tip) into the "out" jack of the solar charger ·Notice: 1. For the first two times users are advised to charge the solar charger with AC110V-240V power for 15 hours straight to fully activate the capacity of the battery 2. For safety"s sake, please do NOT use OTHER AC adapters 3. If short-circuit protection is activated, disconnect and the charging process will be restored in 10 minutes.