Possible to convert dead 18v battery into wall-plug?
43676
Is it possible to power a cordless drill from wall socket adapter?
114801
Amplify current and voltage to preserve battery
91437
Amplifying 10-30mV into at least 5V
157849
Can I control voltage of USB data pins?
107703
Measure Lithium ion battery voltage (thus remaining capacity)
61713
Simple capacitor use for buffering a battery?
32346
How to get 20 V from a USB-C charger?
1461
Can someone help me on how to charge this Battery?
12515
Class II isolated power supply (wall wart) -- referencing the output to mains neutral?
106598
Is it safe to connect battery in series with wall adapter?
122744
Is it possible to detect a battery type and requirements(voltage,current etc) using an MCU based circuit?
88265
Cann I use a 19.5V 4.62A laptop charger for 19V 4.74A laptop?
52148
Interchanging battery with a higher capacity battery
152666
Coin cell to power a 5mm UV LED?
33777
home socket with DC voltage
83294
How can i drive a 5v 120VAC 80mA with 15A contacts with a raspberry pi?
78058
Is there any option to store AC voltage?