Just got these on eBay are the safe to use in my vape sold as 18650 Samsung 30q high drain fire hazard! not for vape! never install carry or handle! Samsung 30T 21700 3000mAh 35A Battery Households warned over common vape mistake that can cause 'ferocious' toxic fires that are nearly impossible to put out Think vapes are harmless to your smoke alarms? Not always. Vapor clouds from ecigarettes can drift into smoke alarms and trigger false alarms, especially in smaller rooms. Even lighter vapes can fire hazard! not for vape! never install carry or handle!