us] lii-l16340 lithium battery charger 3.6v 3.7v 4.2v 16340 rechargeable lithium ion battery charger lithium ion universal charger

important information: 1.this charger is designed to charge type-16340 batteries. 2.carefully read the operating instructions before use and pay attention to the polarity of the battery. 3.charging is performed using the mk 5v usb adapter (standard adapter recommendation is 2a). 4.during operation this charger can get very be careful not to get burned. 5.remove the battery after use and disconnect the power supply. 6.device can only be used in dry rooms.