Estimation device, program, and estimation method

Provided are an estimation device, a program, and an estimation method with which it is possible to estimate the deterioration state or soundness of a battery using a novel method. An estimation device according to an embodiment includes an acquisition unit and an estimation unit. The acquisition unit acquires the amount of money consumed to charge a battery provided in a moving body and the number of times the battery is charged. The estimation unit estimates at least one of the deterioration state and the soundness of the battery using the amount of money and the number of times of charging. 本发明提供一种能够利用新的方法估计电池的劣化状态或健全性的估计装置、程序及估计方法。实施方式的估计装置具备获取部和估计部。获取部获取对移动体所具备的电池充电所消费的金额和前述电池的充电次数。估计部使用前述金额和前述充电次数来估计前述电池的劣化状态和健全性中的至少任意一个。