1 Rechargeable Battery 900mAh 3.7 V 14500 Trustfire

1 Rechargeable Battery 900mAh 3.7 V 14500 Trustfire 
Intensity: 900mAh   
Brand: Trustfire.  
Voltage 3.7 V  
Lithium Ion battery  
PCB that incorporates the system protects the battery from overcharging and discharging of the battery  
Has the same size as the AA battery, compatible only with appliances that can use 14500 batteries. 
Without memory effect