Type : 18650 Li-ion
chargeable battery type
size : same CR123A x2 Pcs batteries
capacity : 2400mAh
voltage : 3.7V
Warning : The battery voltage of full charge is 4.2V or over , can NOT to use immediately ;Please stand about 30minute before use it.
another the battery of empty is 2.75V or lower .
*ship by Surface Mail (4-8 WEEKS) only