Save up to 50% on 3-Day Sale deals.Ends 12/7.Shop now

Skip to content
Gift Ideas
Main Content

“To use outdoors I would need a portable (battery) power supply. How many Watts is this proctor, and how many Ahrs would I need for a 3 hour presentation? Thanks.”

Asked by Garry 
Answer This Question
See all questions & answers

0 Answers

Sign in or Create Account

Get the latest deals and more.

Best Buy appLearn more
Share on YouTubeShare on InstagramShare on TikTokShare on FacebookShare on PinterestShare on X
Best Buy Canada
AccessibilityTerms & ConditionsPrivacyInterest-Based AdsState Privacy RightsHealth Data PrivacyDo Not Sell/Share My Personal InformationLimit Use of My Sensitive Personal InformationTargeted Advertising Opt OutCA Supply Chain Transparency Act
In-store pricing may vary. Prices and offers are subject to change. © 2025 Best Buy. All rights reserved. BEST BUY, the BEST BUY logo, the tag design, and MY BEST BUY are trademarks of Best Buy and its affiliated companies.