AA / 14500 / 16340 driver for T2 T3,4modes

Diameter: 17mm

Maximum efficiency: 75%

suitable for 1.5V AA battery (alkaline / ni-mh) and 4.2V lithium battery (14500 / 16340 etc.)

mode 1%-10%-35%-100%

output: 0.5A (AA battery) or 1.5A (lithium battery)

no low voltage warning for AA battery ,

turn off if the voltage is below 2.8V (low voltage protection for lithium battery)