inputs.text: perfect onthego charger iphone 4 - play golf 4 days week use iphone 4 golf gps since walk 18 holes found needed give iphone battery boost around 14th 15th hole especially planned errands round golf wanted small battery pack easy hook playing protect iphone keep otterbox defender iphone case limits types chargers use new trent icruiser imp1000 uses standard ipodiphone usb cable icruiser small enough fit water bottle holder charging iphone players group not noticed charging phone since still using gps also given peace mind know iphone not going go \\dead\\ purchased icruiser