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Precision Micropower Battery Cut-off Circuit 2016-11-23

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Battery Cut-off Circuit - Simple micropowr circuit to protect batteries from under voltage

Issue: Draft 01 of 2016_11_203​


It is important that most rechargeable batteries are not discharged lower than a specified cell voltage. This is especially true of Lithium Ion (LiIon) batteries which may be damaged by too-lower cell voltage.

This article describes a simple circuit, shown below, that can be adjusted to suit most cut off voltages. The circuit also has an hysteresis which caters for battery rebound and prevents the circuit from...
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