Two Imren 20700 3000MAH 40A batteries 3.7 V newest and most powerful battery for Mechanical Mods, RDA/RBA PVAs, and Sub-Ohm'er electronic cigarettes. The Imren 20700 batteries are high amperage, high quality, durable batteries. High capacity, low inner resistance, long cycle life, low self-discharge.
Current solid charge and discharge capability reached IEC standard. Efest battery is made with safer chemistry, Li-Ion, and does not require a protection circuit and also has a low risk of venting with flame or explosion.
