Quick view Lightcurb iBeacon Battery - 3 Volt CR2477 Lightcurb iBeacon Battery - 3 Volt CR2477 *Your beacon may require more than one battery (Please add to cart the quantity you need) Voltage: 3 Volts Capacity: 1000mAh Chemistry: Lithium Dimensions: Diameter 24.5mm (0.96")... MSRP: Was: Now: $3.95 Add to Cart Compare