Product Name: ICR18650 3.7V 
 Battery material: lithium-ion battery (Li-ion, Lithium Ion Battery) 
 Battery brands: K-TECH (products of Guangdong Cade Energy Technology Co., Ltd.) 
 Battery Model: 18650 
 Battery Specifications: φ18 * 65 (mm) 
 Battery capacity: 2200MAH 
 Resistance: 40 milli Europe following 
 Charge and discharge times: more than 500 times 
 Battery voltage: 3.7V standard voltage 
 Magnification: 2C 
 Main purposes: the battery with a flashlight, machine batteries, walkie-talkie, backup power, emergency lights. 
 Lithium use common sense 
 Do not use non-lithium charger 
 Do not overcharge and over discharge, a single battery will be scrapped (remember not to reduce the life expectancy is scrapped). A new battery before charging, lithium batteries do not overcharge and over discharge the battery is fully charged after stop charging, low battery please charge the lithium batteries can easily damage or even scrapped as a result. Full of voltage is not higher than 4.2V, the discharge voltage is best not to less than 3V 
 3, lithium batteries have the frequency of use restrictions, generally about 500 times. The charge per call waiting time is equivalent to charge the battery once, on one charge, it will shorten the time life. 
 The lithium containing a variety of metal components, protecting the environment, do not be arbitrarily discarded.