High-Capacity 18650/21700 Lithium-Ion Batteries – Reliable Power for Demanding Applications

Premium 3.2V/3.7V rechargeable lithium-ion batteries with 4500mAh–5000mAh capacity, engineered for high discharge rates and long cycle life. Precision-built with industrial-grade LiNiMnCoO2 (NMC) cells and multi-layer safety protection (PTC, CID).

Ultra-durable steel casing with laser-welded terminals ensures vibration resistance for e-bikes, scooters, and power tools. Features low self-discharge (<3% monthly) and wide temperature tolerance (-20°C to 60°C).

Ideal for high-drain devices: cordless drills, electric vehicles, solar storage, and LED work lights. OEM-compatible with major brand battery packs. Bulk pricing available for commercial/industrial buyers.

Certified to UL, CE, and RoHS standards. Includes anti-corrosion gold-plated contacts for optimal conductivity. Ships pre-charged at 30% capacity for safe storage.