Tag: lithium ion battery pack – 3.7v 4400mah

Cylindrical Lithium Ion Batteries 21700 Lithium Battery 3.7v 4000mah 4400mah 4500mah 5000mah 6000mah Cell 21700 $2.05-2.50 Battery Size 21700 Application Home Appliances, Power Tools, Electric Bicycles/Scooters, Lights, Security Equipment Nominal Voltage 3.70V/Pack custom Dimension 21*70mm OEM/ODM Accepatable