Premium Lithium Ion/LiPo Polymer Battery Pack
High-energy-density 3.7V/4.2V rechargeable battery with capacities from 60mAh to 10,000mAh. Ultra-thin, lightweight design using advanced polymer cells for superior safety and durability. Precision-engineered with built-in protection circuits to prevent overcharge, over-discharge, and short circuits. Available in multiple compact sizes (103450, 103040, 902030, etc.) for seamless integration into DIY electronics, drones, medical devices, wearables, and backup power solutions. Low self-discharge rate ensures long shelf life. Direct factory pricing for bulk orders—ideal for OEMs, retailers, and tech enthusiasts. Strict quality control with CE/RoHS certification. Global shipping, wholesale discounts. Power your projects reliably at unbeatable costs.