what is the lifespan of the battery in XBEE pro S2B module

XBee & XBee Gateway XBee - Zigbee
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1

i am using XBEE pro S2B module, is there any battery inside. if its there what is the lifespan of the battery.

2

No, there is no battery located inside of an XBee module. You have to connect the OEM Module to a power source to operate it.