Portable Solar panel battery charger

Sunpower Solar ChargerPowerful, Portable, and EfficientThis solar panel charger captures more sunlight solar energy than traditional solar panel systems thanks to its high-efficiency Sunpower solar cells (up to 23%-25% conversion rate, compared to 15% -for most competitors). This means it charges your portable phone charger faster, even in less direct sunlight.Free shippingIntelligent Charging with iSolar Technology for any portable power bank.iSolar Technology automatically adjusts current and voltage for optimal power delivery, ensuring your devices receive the fastest possible charge (up to 2.4A in strong sunlight).Compact best portable charger Design This lightweight charger folds for easytransport. Included metal hooks allow you to conveniently attach it to your backpack for on-the-go charging during hikes or outdoor adventures.     Wide Compatibility best portable solar battery chargerDual USB ports provide simultaneous charging for a variety of devices including smartphones