High-capacity 3.7V 2000mAh polymer lithium-ion battery delivers extended runtime for power-hungry devices

Premium-grade Li-ion cells with 903070/913070 compact dimensions ensure slim-profile integration

Advanced polymer electrolyte technology enhances safety and cycle life compared to standard batteries

Precision CNC machining guarantees perfect fit for smartwatches, GPS trackers, and portable electronics

Built-in protection circuit prevents overcharge/over-discharge for MP3/MP4 players and mobile speakers

Ultra-thin 0.7mm nickel-plated tabs enable seamless connectivity in space-constrained wearable devices

Optimized energy density (280Wh/kg) outperforms conventional batteries in Bluetooth headphone applications

Robust aluminum laminate casing resists swelling with 500+ charge cycles at 0.5C discharge rate

Certified RoHS/CE compliant for global distribution to OEM manufacturers and bulk purchasers