How to power 12V 1A device with two 6V lantern batteries (1209)?
423
Choosing power supply, how to get the voltage and current ratings?
128201
3 Contact Laptop Power Supply
138255
Different batteries connected in parallel
137995
Powering a circuit from either USB or LIPO
123900
How do I design a circuit for a bi-color led to display power?
10649
Adding mAh when wiring battery cells in series?
88894
Why does a 12V 2A adapter measure only 0.358A on a multimeter?
44787
Batteries & Output Current Limiting
144882
Do Inverters change the lithium-ion batterie's mA capacity and wattage?
153381
How do I design a 2A or more power supply for my consumer USB devices?
83091
Draw power from a portable mobile charger to power circuits
36841
Generating high voltage (100V+) from 5V USB supply
20157
Wrong multimeter readings measuring 12V lead acid battery
77631
Powering Arduino from a voltage divider
70745
Connecting two DC wallwarts in series - to produce dual DC supply
134426
How do I convert, lower, or raise voltage?
14016
Least expensive way to boost DC voltage