For Heng Long , Li-Ion 2S 7.4V 6800mAh XT60 Battery + Charger is a high-quality product manufactured in China. Specifically designed for RC model vehicles, this battery offers long-lasting power for extended driving sessions. The XT60 connector ensures efficient charging and reliable performance, making it an ideal choice for hobbyists and enthusiasts looking to enhance their remote-controlled vehicles. Overall, this product provides a reliable and powerful option for those seeking to upgrade their RC models.I Don`t get it ??Why buy a 1800 mah when you can buy a 6800 mah for almost the same price over 3 x more capacity for a small size lith ion battery plus a balanced charger which alone is worth over £ 5.00, battery size 70 mm x 36 x 18 mm