IR sensor module with remote and battery - With IR LED - IRREMOTEMODBLK
Current Sensor Module, Highly Sensitive 4.5V〜5.5V ACS712 Board Controlling AC DC for Battery Charger for Digital Wattmeters : Amazon.in: Industrial & Scientific
Amazon.com: ALAMSCN Electronic Practice Kit DC 3V-5V Metal Detector DIY Kit Sensor Module Assemble with Buzzer Battery Holder for Arduino Beginners : Electronics
High-precision robust monitoring of charge/discharge current over a wide dynamic range for electric vehicle batteries using diamond quantum sensors | Scientific Reports