I'd look at one of the places like total battery. Get an Anker if you can ... Something like this
https://www.amazon.ca/dp/B075FR89CX I wouldn't waste my time with those really small handheld ones Also depending on what you're doing you might be better off with power banks that you charge in advance before you go. Again I'd go with Anker https://www.amazon.ca/dp/B07S829LBX To unsubscribe send a blank message to [email protected] To get help send a blank message to [email protected] To visit the archives: https://lists.linux-ottawa.org
