SDI Original INR21700 50S 3.7V 5000mAh Lithium-Ion Battery
High-performance 21700 lithium-ion battery with 5000mAh capacity and 45A continuous discharge rate. Ideal for high-power applications like electric tools, vaping devices, and portable power stations. Premium NMC chemistry ensures stable voltage output and extended cycle life. Built with advanced thermal management for safe operation under heavy loads. Compact and lightweight design for easy integration. Backed by Samsung SDI’s industry-leading quality control. Bulk pricing available for wholesale buyers. Perfect for DIY power banks, high-drain flashlights, and industrial equipment. Ships globally with fast delivery. Get the best value for high-capacity, high-drain battery solutions.