The Panasonic NCR 18650B 3400 mAh Battery is one of the highest capacity 18650 batteries on the market. These high quality authentic flat top batteries are made in Japan by Panasonic. These batteries have a long storage life, no memory effect, high energy density, and are light weight making the Panasonic NCR 18650B 3400 mAh Battery the ideal battery for low output regulated devices like the Vamo V5. These unprotected batteries are rated for a maximum continuous discharge of 6.8a (2C) and is not for use in an unprotected or mechanical mod or with atomizers whose coils total resistance is less than 0.7Ω. For more information on selecting batteries and their safe use and handling please see our tutorial on the Best Batteries for Mods and Vaping Safety.