Details 
 Batteries Model: Samsung INR18650-15Q batteries 
 Brand: Samsung / SAMSUNG 
 Nominal voltage: 3.6v 
 Nominal capacity: 1500mAh 
 Internal resistance: ≤ 60mΩ 
 Weight: 46g 
 Dimensions: Max18.25mm × 65.00mm 
 Charging method: constant + constant current 
 Charging temperature: 0 ℃ ~ 45 ℃ 
 Discharge temperature: -20 ℃ ~ +60 ° C 
 Charging voltage limit: 4.25V 
 Discharge termination voltage: 2.45V 
 Standard discharge current: 0.5C 
 Maximum discharge current: 20C 
 Charging current: 750mA (standard) or1500mA (fast) 
 Charging time: 3hrs (standard) or 2.5hrs (fast) 

 Genuine original Samsung power battery 18650 1500mAh 20C high rate continuous discharge cycle performance, complete batteries internal security device, the battery abuse conditions, no fire, no explosion, excellent security, power tools, electric toys model aircraft, model car, ship models, as well as some high-current loads, high cycle performance requirements of electrical equipment. Contact: Yu Lok 
 Tel: 15013569057