Premium Grade A 21700 M50LT Lithium-Ion Battery
High-capacity 5000mAh power cell with stable 3.7V output for extended runtime. Features ultra-low internal resistance and advanced LiNiCoAlO2 chemistry for superior energy density and thermal stability. Precision laser-welded terminals ensure secure connections, while multi-layered safety protection prevents overcharge, short-circuit, and overheating. Ideal for high-drain devices: flashlights, power tools, electric vehicles, and portable solar generators. Globally certified (CE/RoHS/UN38.3) with consistent batch quality. Bulk discounts available—wholesale pricing unbeatable worldwide. Direct factory supply guarantees fresh stock and fast shipping.