Cool knight HG-1206Li Intelligent Battery Charger for 18650 26650 Lithium Battery Lifepo4 Battery Dual-Slot intelligent charger Is the red light when charging,and green light when finish charge, stop charging automatically Automatic identification and transformation, for all sorts of all kinds of 3.0/3.2/3.6/3.7 V lithium ion batteries, lithium iron phosphate batteries charging,filled automatically stops charging. Comprehensive protection function, short circuit is not charging when battery put wrong,eliminate to charging the common battery Package:1*charger in color box(each color box print our brand"Cool knight" and using method