High-Capacity OEM Li-ion Battery Pack

Customizable 300~6000mAh range with multiple voltage options (3.7V/7.4V/11.1V/14.8V) for versatile device compatibility. Precision-engineered using premium 18650, 32650, 26650, 26500, 21700, 16500, or 14500 cells for optimal energy density and cycle life.

Ultra-Safe & Reliable Performance

Built-in PCB protection against overcharge, over-discharge, and short circuits. Rugged outer casing with heat-resistant materials ensures stable operation in drones, power tools, medical devices, and solar storage systems.

Wholesale-Optimized for Global Buyers

Direct factory pricing with bulk discounts for resellers and OEM projects. Compliant with international safety standards (CE/RoHS/UN38.3). Custom branding and capacity configurations available.

Industrial-Grade Endurance

Spot-welded nickel strips and laser-sealed terminals prevent corrosion. Supports 500+ charge cycles at 80% capacity retention. Ideal for robotics, emergency lighting, and portable electronics requiring long runtime.