How long will a 12v car battery last using a 100w lamp only?
13943
How long will this appliance run from a battery?
12411
Higher current draw from powerbank?
84680
Will a battery short out when the terminals are directly connected together or will internal resistance save it?
152666
Coin cell to power a 5mm UV LED?
2310
Can a 12V battery give you a shock or not?
28361
How can I drive 12v LEDs from my Arduino Nano?
98252
How do I calculate the power consumed by a lightbulb?
66389
A flashlight's lifetime
76832
Powering 16 meter LED strip
119267
At what voltage is a NiMH battery empty?
10649
Adding mAh when wiring battery cells in series?
102576
Switch between battery and USB power
102966
Will my Battery get harmed if not used for long time?
139649
Power output of ignition coil
33926
Calculating resistor value and power rating for LED driving
44787
Batteries & Output Current Limiting
60710
Is it safe to use the 12W iPad 4th gen power adapter for earlier iPads and iPhones?