Dongguan Bob Electronics Co. Ltd. is a leading lithium battery manufacturer, supplier, and factory based in China, offering high-quality 300mAh lithium batteries. These batteries are designed to deliver reliable and stable power to your devices, ensuring optimal performance every time. With their compact yet powerful design, our 300mAh lithium batteries are perfect for powering various products, including small electronic devices, Bluetooth headphones, health wearables, and more. Thanks to advanced manufacturing technology and quality control procedures, our batteries are long-lasting, durable, and safe to use. Regardless of your application needs, our lithium batteries are guaranteed to meet and exceed your expectations, helping you improve the user experience of your devices. Buy in bulk, and enjoy affordable prices and quick shipping. Trust in Dongguan Bob Electronics Co. Ltd. to be your reliable source for high-quality lithium batteries.