HG2 18650 Battery from LG. As many are aware, LG has become a highly known brand that manufactures many of our household electronics today, but theyre also quite popular when it comes to batteries. The all new HG2 Battery is a delightful battery to use with your regulated mods, because it promotes superior quality and highly consistent – a perk that LG has become known for throughout their products. The LG HG2 Battery comes in an 18650 size, which is standard for most devices. It has outstanding battery life, with a capacity of 3000mAh. It also has a continuous current of 20A, if youre using a mechanical mod, we strongly advise a battery with higher discharge current. Furthermore, the positive terminal on the HG2 has a flat top, which is more commonly accepted with todays devices.