Renogy has a new Multi-Functional E.Lumen Flashlight / bike light that you may be interested in. It charges via solar or plug-in and can provide power to your cell phone and has quite a few features.  Details inside from Renogy.

• Renogy: E.LUMEN Multi-Functional Flashlight
• Solar Panel flashlight with built in battery backup, seatbelt cutter and window breaker
• Sleek and portable design made of aluminum
• Powerful headlight reaching up to 200 meters
• 2000mAh Lithium-ion battery for charging small electronic devices
• Vehicle emergency ready with high-strength, alloy glass-shattering hammer and seatbelt cutter
• 3W LED headlight and 2W LED side lights for multiple uses and lighting modes
• Side magnet for convenient mounting and storage
  Compass for when on-the-go

Available at: Renogy.com
Price: $ 24.99
Website: www.renogy.com