The Rechargeable Lithium Polymer Battery 3.7V 40mAh is a high-performance power solution designed for small electronics, toys, and consumer devices. Featuring Li-polymer technology, this lightweight 10g battery offers stable and long-lasting energy output with a compact size of 4*10*15mm, ideal for space-constrained applications. With a cycle life of up to 500 times and CE certification, it ensures reliability and safety in diverse usage scenarios. Perfect for OEM and ODM projects in the consumer electronics and home appliances sectors.More