Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options not deleted user 3499

A device that harnesses a controlled chemical reaction to produce electricity; usually carried as an emergency power source in case the aircraft's main generators fail.

4 votes

What does "28 volts DC" mean, really?

If a car battery states 12V that's kind-of the lower limit. … When a voltage is specified on a battery, consider that voltage to be what's left when the battery is almost drained. …
Mast's user avatar
  • 323