Upgrade your Eachine E511 E511S Folding Quadcopter with these high-quality 7.4V 1200mah Lithium Batteries. Designed to enhance your flying experience, these batteries are the perfect spare for your quadcopter kit. The sleek black colour adds to the overall aesthetic of your quadcopter. Made in China with premium materials and advanced technology, these batteries provide a reliable power source for your electric quadcopter. Whether you're a hobbyist or a professional, these batteries are a must-have for your collection of other RC parts and accessories. Get ready to take your flying to the next level with these Lithium Batteries!