Ultra Rugged Solar USB Charger Power Bank (8000 mAH)- Blue The new Outdoor Tactical Research Solar Charger is perfect for outdoor enthusiasts that need to keep their devices charged The OTR solar charger is shock proof, dirt proof and water resistant (don't put it in a lake). Also has a built in flashlight and a hole for small carabiner or lanyard The OTR solar charger is has a 8000 mAH battery that will charge most devices 2-3 times in around 60 minutes The OTR solar charger is will charge your devices lighting fast with two 2.1A outputs and one 1A input You can charge the solar charger power bank from a USB charger or, in emergency circumstances, from the attached solar panel