Dear, Is there a battery setup for the Arduino Nano where you not have to replace the batteries soon, longer then a year, using with an RFID reader. (Sorry for bad English). I hope my question is clear.

Arduino Nano, RFID & battery

INTP August 19, 2016, 4:30am 4

41,000 mAh

that rations you 112mAh a day, assuming magically ideal everything