How to make a battery level indicator for arduino (The battery is powering the arduino also)
99851
Can I estimate remaining battery life by measuring its voltage with the same MCU that it powers?
91808
How to make sure that Thinkpad discharges external slice battery first?
151905
Powering circuit directly from USB while charging li-ion battery side by side
138156
Force MacBook to drain the battery while connected to charger
74830
How to Calculate the time of Charging and Discharging of battery?
76472
Including +/- signs to battery in Circuitikz
88664
What is the best way to estimate the power consumption of an Atmega328p microcontroller?
32827
How to monitor USB power consumption?
34813
Battery indicator ALWAYS says Using Battery Power - even when plugged in - ASUS laptop
139642
Water level indicator with PNP transistor
109693
Basic circuit to keep LED either on or off depending on night/day
30624
Automatically switching from battery to DC wall adapter on insertion
158223
How to measure battery voltage
108482
Switch power supply/battery
139506
How to check the battery level of devices connected via Bluetooth in OS X
122744
Is it possible to detect a battery type and requirements(voltage,current etc) using an MCU based circuit?
26548
Calculate battery life