Wholesale Samsung 3.7V 18650/21700 Rechargeable Battery – Premium Lithium-Ion Power Solution
High-energy 3.7V lithium-ion cells with 6000mAh capacity for extended runtime and reliable performance. Premium Samsung-grade cells ensure stable voltage output, low self-discharge, and 500+ charge cycles. Robust steel casing with built-in protection against overcharge, short-circuit, and overheating. Perfect for solar energy storage, home backup systems, power tools, and high-drain devices. Bulk pricing available – ideal for resellers and large-scale renewable energy projects. UL-certified for safety, compatible with most 18650/21700 battery holders and devices.