1. Black Diamond Iota Headlamp - Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
1 TriplePower LED with 150 lumens (max setting) projects a strong, oval beamPowered by a lithium ion rechargeable battery (3-hour USB charge time)

2. Foxelli USB Rechargeable Headlamp Flashlight 100 Hours Battery Life Time And New Ultra Bright Cree XP-G2 Led Technology, Waterproof, Impact Resistant, Lightweight & Comfortable, Easy to Use (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
USB RECHARGEABLE: Charge Fully from any USB Port in Only 2 Hours and Provide up to 100 Hours of Constant Light on a Single Charge. Plus it has a Built-In Battery Life Indicator.EXTRA BRIGHTNESS: 280 Lumens CREE-XP-G2 LED (400 Feet Beam) and Adjustable Flood Light Diffuser Makes this the Brightest and Most Versatile Headlight. Offers a Wide Variety of Light Modes and 90° Tiltable Body. Includes SOS Mode and Attached Emergency Whistle.

3. Black Diamond AAA Rechargeable Battery (4 Pack) (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
1000 ma-hr Rechargeable nimh batteriesCompatible with other electronic devices that use AAA batteries

4. Explortek Nite-Blazer LED Headlamp with Case (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
SUPER BRIGHT HEADLIGHT delivers 168 lumens casting an impressive beam the length of a football field (120 yards or 110 meters) with 6 different lighting modes to meet your needs.EASY TO USE with SEPARATE BUTTONS for RED and WHITE lights for quick brightness adjustment and SMART BUTTONS allow lights to turn off without cycling through all modes first.

5. Coast HL7 Focusing 285 Lumen LED Headlamp (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Light output: High - 285 lumens Low - 4 lumens