The CCELL M3 Power Supply with USB Charger provides a dependable 510 vape battery powered by a 340 mAh Li-ion battery. The M3 Power Supply, which exudes a fashionably slim, discrete aesthetic, combines cutting-edge technology with careful craftsmanship to hone one of the best vape battery kits on the market. A USB vape battery charger is included to help you keep the clouds flowing.