Renata 3V lithium CR1216 Button Battery Renata CR1216 lithium button batteries are ideal for devices that require a small, lightweight, and reliable power source. They are used in watches, calculators, digital cameras, and other small electronic devices. Renata CR1216 lithium button batteries are non-rechargeable and provide 3 volts of power. Renata 3V lithium CR1216 Button Battery is a high-quality, long-lasting battery. These button batteries are perfect for use in small electronics like watches, calculators, and digital cameras. Renata 3V lithium CR1216 Button Battery is also an environmentally friendly battery. These batteries are mercury-free and do not contain any heavy metals.