Tested cells, from left to right, UltraFire TR18650 4200 mAh, UltraFire... | Download Scientific Diagram
18650 4200mah lithium battery for Electronic Appliances - Alibaba.com
UltraFire 18650 Li Ion Rechargeable Battery High Capacity 4200mAh For Mini Flashlights Bulk And Digital Camera Charging From Dream_high68, $0.74 | DHgate.Com
NEW 18650 Lithium Ion Battery 3.7V 4200MAh Li-ion Rechargeable Battery for LED Flashlight Rechargeable Batteries Accelerator - AliExpress
UltraFire BRC 18650 4200mAh 3.7V 2A Rechargeable Lithium Ion Battery For LED Flashlights, Digital Cameras, And More From Horizonoutlet, $0.96 | DHgate.Com
18650 Lithium Battery 3.7V Volt 4200mah BRC Rechargeable Li-ion for Power Bank Torch GTL EvreFire - AliExpress