High-Capacity 400mAh Lithium-Ion Battery
Premium 3.7V rechargeable lithium-ion battery with stable output, ideal for wireless products like earbuds, smart trackers, and IoT devices.
Precision Engineering & Durable Build
Features ultra-thin 702030/353040/552035 dimensions, crafted with high-density Li-ion cells and advanced PCB protection for overcharge/overheat prevention.
Multi-Device Compatibility
Perfect for low-power electronics including wireless keyboards, medical devices, and portable gadgets, ensuring long-lasting performance.
Wholesale Advantage
Direct factory pricing with bulk discounts, backed by global logistics for fast, reliable delivery. Upgrade your inventory with cost-effective power solutions.