3.7V li-ion 10440/14500/14650/16340/16650/17650/17670/18350/18490/18500. Progress: LED indicator. Battery Chrge Rate: >80%. 1x User Manual.

Note: Batteries are Not included
Brand: Unbranded
Type: USB
Compatible Battery Sizes: 16340, 14500, 10440, 18500
Chemical Composition: Li-Ion
Battery Capacity: 4
Voltage: 3.7 V
Application: Low Drain Devices
Manufacturer Warranty: 1 Year
Connectivity: usb