BU-304: Why are Protection Circuits Needed? - Battery University
Lithium Battery Protection Circuit - Why are there two MOSFETs in series, reversed? - Electrical Engineering Stack Exchange
S-82D1A Datasheet, Specifications, Parts list and Support - ABLIC Inc.
Lithium Ion Cell Protection
SII Semiconductor Corporation Introduces New 1-Cell Lithium-ion Battery Protection ICs with Temperature and Charge/Discharge Control Options | Seiko Instruments Inc.
Lithium ion battery protection boards
Introduction of Lithium-ion Rechargeable Battery Protection ICs – ABLIC Inc.
1-Cell protection IC for Li-Ion / Li-Polymer batteries with Reset and Forced Standby function | Nisshinbo Micro Devices
How to Make a Battery Protection Circuit (over-discharge protection) - YouTube
SII Semiconductor Corporation Introduces a New 2-to-3-Cell Secondary Battery Protection IC for Rechargeable Li-ion Batteries Utilizing an Ultra-small Package | Seiko Instruments Inc.