The Aspire CF Maxx is high-end variable wattage vaping mod. This battery features stainless steel endpoints, a metal button, and a carbon fiber coated tube. The Aspire CF Maxx brings 3000mah capacity and 5-50W variable wattage system which can supply intense power for different resistance atomizer. The structural design and control circuit of this battery series makes using it very easy to use, extremely reliable, and stable.
1. Features:    
1) stainless steel endpoints  
2) metal button  
3) carbon fiber coated tube  
4) 3000mah large capacity  
5) Variable wattage 5-50W 
2. Function   
1) 5-50W adjustable wattage allows it to use with different resistance atomizer  
2) Overdischarge Protection, Atomizer Short Circuit Protection, Lock and Unlock Function, High-temperature Protection.
1.Unscrew the battery from the vaping components.
2.Gently screw battery into the USB charger. 
3.Plug the USB into the supplied wall charger or computer. 
4.The battery will flash 3 times and then turn solid in color (Orange light in 3.3-3.5V, Blue light in 3.6-4.2V). 
5.The light on the USB charger will be red when charging.
6.Once fully charged, the USB charger will display a green light, and the LED light on battery will turn off after blinking 20 times.