The Wiliyoung 3.7V 400mAh Li-Polymer Battery (601835/602035/602040/621835) is a high-performance, rechargeable power solution designed for a wide range of consumer electronics and portable devices. Featuring a lightweight pouch design, this battery delivers reliable and long-lasting energy for sex toys, vibrators, LED lights, toothbrushes, locks, and more. With a standard charge/discharge current of 0.5C/0.5C and built-in protection against overcharge, over-discharge, short circuits, and high temperatures, it ensures safe and efficient operation. Certified to international standards including CE, RoHS, UN38.3, and IEC62133, this battery is ideal for global OEM and custom applications in the consumer electronics and smart home appliance industries.More
