Renata 392 SR41W Battery - 1.55V Silver Oxide Watch Battery - Renata has first hand knowledge of what a high quality watch battery must stand for. With our comprehensive range of over 40 different types of watch batteries, Renata can supply a suitable power source for any electronic device requiring an ultra-compact, long-lasting, low-voltage source of power. Additional Details ------------------------------ Product description: Renata battery is mercury-free and has a capacity of 60 mAh. Suitable for analog and basic digital watches and handheld devices that have a continuous, low power consumption. These batteries has a reported failure rate of less than 1%. Renata offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source.