... We have build a recharger battery ( 1300MAH) in the E-pack ,it can store extra battery .then it can ... each three or four days , you only charge the E-pack is enough. PCC with guard plate , so ... when overcharging. 1— Specification:select color: Mini E-cigarette color or E-pack coolor:white (Straight line stripe and ... :2 batteries , 4 cartridges with atomizer, ,1 E-pack,1 USB charge line, 1 user manual