\section{Notes}

Using traditional model~\cite{shuklaEnergy2024a,reymondEarlyBird2024}.

Estimating the remaining energy using the energy storage voltage.
Use energy storage voltage for checkpoint signal~\cite{zengReplayCache2021,balsamoHibernus2015,balsamoHibernus2016,bhattiHarvOS2017,jayakumarQUICKRECALL2014,maengSupporting2019,maengAdaptive2020}.

Power failure injection (soft reset)~\cite{wuIntOS2024,yildizEfficient2023}.

Interrupt using Vdd~\cite{balsamoHibernus2016}.