21700 50E Power Bank Case – High-Capacity Rechargeable Lithium-Ion Battery
Premium 21700 lithium-ion cell with 3.6V voltage and 5000mAh capacity for extended power delivery. Robust casing design ensures shock resistance and heat dissipation, ideal for high-drain devices. Advanced Li-ion chemistry guarantees stable performance with low self-discharge for long-term storage. Perfect for electric two-wheelers, power banks, flashlights, and portable DIY electronics. Engineered with precision-welded terminals and reinforced insulation for safety and durability. Bulk pricing available – wholesale discounts for large orders, direct from global supplier. Compatible with most 21700 battery holders, offering versatile power solutions.