How about Voopoo Drag Nano Pod Kit?

Drag Nano Pod Kit by VOOPOO is comes with built-in big power battery capacity and 1ml pod cartridge capacity. VOOPOO Drag Nano Pod Kit adopts intelligent cold boot pattern with Gene Pod Chip inside which will keep original flavor and increase vapers' taste. It adopts patented juice refill way, just need three step to inject the E-juice. There has tricolor indicator light to display the power consumption.