Sherlock Pipe Shaped 510 Cartridge Battery Compatible with most of the 510 thread cartridges Cartridge not included with the 510 Battery Instructions: Click the button 5 times to on/off the power. Three clicks to adjust voltage. Green Light Indicates: 3.0V Blue Light Indicates: 3.7V Red Light Indicates: 4.2V Two clicks for preheating 900mAh Battery Capacity Type-C Charging Port The max continual working time is 15 seconds. Packing Includes: 510 Battery x1 Micro USB Charger x1 *Size color may vary due to hand-made. 
                                                                
                                                                USB 
                                                            
                                                                
                                                                3.0V/3.7V/4.2V 
                                                            
                                                                
                                                                3 Types 
                                                            
                                                                
                                                                Single 
                                                            
                                                                
                                                                Grey 
                                                            
                                                                
                                                                Battery 
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