The CP234044 3.0Volts 700Mah Battery is a high-quality power source designed specifically for Starkey Surflink Remotes Model 100 and 610. This battery, with a voltage of 3V and an amp hours of 700 mAh, provides reliable power for extended use. Originating from China, this battery is a durable and dependable choice for keeping your remote devices powered up and ready for use.