Below Application note describe how to Add AA battery using Recom R-78S board to SensiBLE or SensiSUB and extend a battery life time for a very long time. SensiBLE 1.0 and SensiSUB 1.0 originally coming with Coin Battery CR2032 with 220mAh that can power the board for demo only. For a real applications often Application require to add external batteries to extend the battery life time. R-78S Product Information High efficiency of 92% Precise Vout regulation 1% Fast reaction t