Custom OEM Lithium Polymer Battery
High-performance 3.7V rechargeable battery with flexible sizing (103040, 803040, 603040, 503040, 303040) and capacities (600mAh, 900mAh, 1200mAh). Precision-engineered with ultra-thin polymer cells for lightweight durability and stable power output. Ideal for wearables, IoT devices, medical equipment, and portable electronics. Features built-in protection against overcharge, over-discharge, and short circuits. Bulk pricing available for wholesale buyers—worldwide shipping, best-in-class pricing. Order custom specs directly from the factory.