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 186724

An electronic device that supplies electrical energy to a load. It can be AC or DC input. Typically DC output.

0 votes
2 answers
281 views

Working out how long a battery will last

I'm hoping somebody can help me understand this. I use a Resmed S9 VPAP ST-A/ S9 COPD which according to documentation at my settings draws a current of 1.4A. I use a Resmed Powerstation 2 battery. T …
R Thomas's user avatar