Hands down the best standard vape battery of 2019 is the Amigo MAX by the Japanese company Itsuwa. Its got a sleek and robust design that handles the constant abuse our vape pens regularly experience. With a 380 mAh capacity and high grade battery cell, this battery lasts all day (~408 puffs). With excellent vapor production, high quality click button, standard android charge port built in, 510c industry standard threading, and variable voltage to boot. This thing rips!
510c Industry Standard Threading; Fits all Standard Vape Cartridges
380 mAh Battery Capacity
Variable Voltage (2.7 V red) (3.1 V green) (3.6 V White)