Weight: 4.9 ounces (not including packaging and batteries)
Efficiently charges most USB devices directly or will charge two NiMH or NiCD AA batteries.
Typically charges a 2000mAh NiMH battery in about 5 hours of full sun.
Recommended to charge 1800 to 2500mAh batteries but you can charge 2700mAh batteries too, it just takes a while. Probably longer than a single day of full sun.