High-Capacity 50S 3.7V Lithium-Ion Battery for Samsung 21700 Devices
Premium 5000mAh lithium-ion cell delivers extended runtime for high-drain devices. Engineered with precision-cut electrodes and ultra-stable chemistry for consistent power output. Industrial-grade NMC cathode material ensures superior energy density and thermal stability. Reinforced internal structure resists vibration, impact, and extreme temperatures. Ideal for power tools, electric vehicles, and high-performance flashlights. Direct replacement for OEM Samsung 21700 batteries in professional/commercial applications. Strictly QC-tested with <0.02% failure rate. Bulk order discounts available for resellers and manufacturers. Globally compliant with UN38.3 and MSDS certifications. Ships factory-sealed with anti-corrosion terminals. Custom OEM packaging solutions offered for wholesale clients.