Panasonic Batteries CG Series Pin-type Lithium-ion Batteries are small and slim pin-shaped batteries that expand design options for small devices. These batteries feature a high-strength metal exterior case that provides excellent reliability. The CG pin-type lithium-ion batteries are available with solderable tabs and offer high safety and reliability for wearable devices. These batteries feature rapid charging that makes the portable devices more user-friendly. Typical applications include wireless earphones, hearing aids, smart glasses, medical devices, wireless communication devices, IoT devices, stylus pens, wristband active trackers, and electric tint changing glasses.