Product descriptions from the supplier High Capacity: 1800mAh provides extended runtime for devices. Durable Battery: LiNiMnCoO2 chemistry ensures long-lasting performance. Wide Temperature Range: Operates efficiently between -20°C to 60°C. Chinese Origin: Made in China for quality assurance. Compact Design: Ideal for portable electronics requiring space-saving solutions. About this supplier Shenzhen Everwin Tech Co., Limited is a 20-year battery manufacturer specializing in