Factory Directly 3.7V 602030/503040/503759/103450/606090/955565 Lithium Battery 300mAh/600mAh/1200mAh/2000mAh/4000mAh Li-ion Battery for Hearing-Aid

Factory Directly 3.7V 602030/503040/503759/103450/606090/955565 Lithium Battery 300mAh/600mAh/1200mAh/2000mAh/4000mAh Li-ion Battery for Hearing-Aid. High Energy Density: Each cell outputs nominal 3.7V with highest energy density currently in production. Wide Capacity Range: Available in capacities from 300mAh up to 10000mAh for various hearing aid needs. Genuine JST Connector: Features genuine JST connector that clicks in and out smoothly without snagging. OEM/ODM Service: Professional manufacturer accepts OEM/ODM orders with customized logo printing. 12 Months Warranty: Comprehensive 12 months warranty coverage for all batteries against defects. Global Certifications: Products certified with CE, MSDS, Un38.3, SGS, CB, RoHS, and KC standards. Fast Delivery: Small quantity orders shipped within 7-9 working days; bulk orders in 30-35 days. High Production Capacity: Factory output exceeds 30,000 PCS batteries daily with 10,000 PCS battery packs.