The Keis Glove battery set (pair) can only be used as an optional means to power the Keis motorcycle heated gloves for models G502, G601 (pre-2020), and G801. It is not suitable for the G102 model Keis Heated Inner Glove Liners or the G701S 'Shorty' Gloves, as they do not feature battery pockets. It comes with two male-male adaptors, two batteries and a multinational charger in the box. Some models of Keis heated motorcycle gloves feature a battery pocket within the glove cuffs. The G502, G601 (pre-2020), and G801 gloves can be powered via a pair of Keis Glove Batteries, each with a 2000mAh capacity (total battery set charge capacity is an impressive 4000mAh). 6cm x Height 4cm, each.