Carrera 2S Li-Ion battery. Battery capacity: 900 mAh. Voltage: 7.4 V. Form factor: Flat. Connector type: Special. Weight: 70 g. Dimensions: 69 mm (L) x 37 mm (W) x 20 mm (H). Li-Ion battery. Li-Ion stands for lithium-ion. This type of battery has a very high energy density despite its small size. Carrera RC. Whether for young customers or those young at heart, Carrera is the brand that appeals to various age groups. For many years, it has been an indispensable market leader for slot cars in children's rooms and hobby basements. With its constantly new ideas and high-quality products, the world market leader from Fürth sets a very high standard. Through countless original licenses from brands such as Ferrari, Red Bull, or Nintendo, Carrera conveys an absolutely realistic motorsport atmosphere. Buggy, off-roader, on-roader, quadcopter, helicopter, and boat - Carrera offers a wide range of remote-controlled models. The RC products impress mainly with their long runtime, individual design, and high quality. In addition, the German manufacturer Carrera is also actively committed to social and ecological causes.