High-Performance 3.7V 40mAh Lithium Battery
Ultra-compact 501012 size with premium lithium-ion technology for stable voltage output and long cycle life. Certified with BIS for safety and reliability.
Precision Engineering & Durable Build
Advanced polymer electrolyte and corrosion-resistant metal casing ensure leak-proof performance. Weighs just 2g for effortless portability.
Ideal for Miniature Electronics
Perfect replacement for wireless earbuds, hearing aids, Bluetooth headsets, and medical devices. Delivers consistent power in tight spaces.
Bulk Pricing Advantage
Exclusive wholesale rates for bulk orders—lowest global prices guaranteed. Ships worldwide with flexible OEM options.
Seamless Compatibility
Pre-installed micro connectors (optional soldering tabs) for easy integration. Supports fast charging with 300+ cycles at 80% capacity retention.