1. Mighty Bright 42610 TravelFlex Book Light, Black (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
Bright white, energy-efficient LEDDurable LED lasts 100,000 hours - no replacement necessary

2. LuminoLite Rechargeable Extra-Bright 4 LED Book Light, Easy Clip On Reading Light, UL Certified AC Charger & USB Cable Included, 2 Brightness Settings, Soft Padded Clamp. Perfect for Bookworms (Click Link to Check Price on Amazon)
Editor's Rating : 9.8 out of 10
AS FEATURED IN THE 'LA TIMES' - NO MORE WASTING MONEY ON BATTERIES - EVER. FEATURES BUILT-IN RECHARGEABLE 1000MAH LI-ION BATTERY, USB CABLE and 'UL LISTED' CHARGER -Unlike Other Booklights. 3 power modes to choose from. Read for up to 10 hours without charging.TWO LIGHT SETTINGS WITH A CLICK allows you to choose your preferred brightness level. 4 POWERFUL LEDS evenly lights up your book or e-reader perfectly without hotspots or glare AND HELPS REDUCE EYE STRAIN.

3. Energizer LED Book Light (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
This product adds a great valueProduct is highly durable and very easy to use

4. HYJM Mini White LED Clip Booklight Portable Travel Book Reading Light Lamp (Click Link to Check Price on Amazon)
Editor's Rating : 9.3 out of 10
Type: LED Reading LightMaterial: Plastic

5. LE Rechargeable LED Desk Lamp, Table Lamp, Portable and Flexible, 2-Level Brightness, AC Adaptor and USB Cable Included, Daylight White, Travel Light, Clip Light with Stand, Task Lighting (Click Link to Check Price on Amazon)
Editor's Rating : 9.9 out of 10
Easy to use. Sturdy clip acts as a stable base, allowing the light to stand on its own, as well as attach to a book, shelf, cupboard, or computer.Portable. Its built-in rechargeable lithium battery means it can go where you go.