Authentic 21700 P42A Battery – High-Performance Power for Demanding Applications
Genuine 4200mAh lithium-ion cell with stable 3.7V output, engineered for extreme durability and long cycle life. Premium NMC chemistry ensures consistent performance in high-drain devices like electric motorcycles, power tools, and energy storage systems. Ultra-safe design features built-in PTC protection and robust steel casing to prevent overheating or leaks. Precision-welded terminals enhance conductivity for maximum efficiency in battery packs or single-cell use. Ideal for DIY builders and OEM manufacturers needing reliable, high-capacity energy solutions. Bulk pricing available for wholesale buyers—stock up on industrial-grade batteries at unbeatable global rates.