1. Creazy 8.4V USB Rechargeable 12000mAh 6X18650 Battery Pack For Bicycle light Bike Torch (Click Link to Check Price on Amazon)
Editor's Rating : 9.5 out of 10
6x18650 USB&DC battery pack8.4V,12000mA

2. M.Way 4x 18650 8.4V/5V Rechargeable Water Resistant Battery Pack Case House Cover For Bike light mountain bike light Spare Replacement (Click Link to Check Price on Amazon)
Editor's Rating : 9.4 out of 10
Can put 4x18650 batteries in to power bicycle lights100% Brand new and high quality Color Black

3. Gugou Bike Light Headlamp T6 3 Mode with 8.4v 12000mah 18650 battery pack +charger Cycling Bicycle flashlight (9LED+tail light) (Click Link to Check Price on Amazon)
Editor's Rating : 9.1 out of 10
9XCREE XM-L T6 LED Super Bright 15000Lm LED Bike Light with COB 30 chips emits up to 168 Lumens Tail LightFront bike light 3 switch modes: High / Normal / Low / Strobe and Tail Light has 6 modes - 3 Steady (Low , Medium , High), 2 Flashing (50 %, 100 %) and Strobe.

4. SIGEM Bike Tail Light USB Rechargeable, Bicycle Rear taillight, Helmet, backpack Safety Warning Light 120 Lumens (Red / Blue) (Click Link to Check Price on Amazon)
Editor's Rating : 8.8 out of 10
★ NEW DESIGN：Bicycle taillight with 2 LED colors (Red & Blue) and 6 modes!★ ULTRA-BRIGHT TO KEEP YOU SAFE: The high brightness COB LED produces 120 Lumens, red and blue light which is eye-catching for 240 degree visibility. Equip your bike with this light to enhance maximum visibility on the road.

5. LE Super Bright Bike Light, USB Rechargeable Rear Tail Light, Cycling Light, 4 LEDs, 5 Light Modes, Red, Cable Included, Fits on any Bicycles, Helmets or Backpacks (Click Link to Check Price on Amazon)
Editor's Rating : 9.2 out of 10
Easy to install. Mounts to any bike quickly and easily.Safety guaranteed. The red light can be used for safety and warning.