How to keep food (and beverages) cold Nov 09, 2020 Stage 1: use a good standard Coleman coolerStage 2: "hack" that Coleman coolerStage 3: Recognize that power is required (electric cooler) Subscribe to our newsletter Get the latest posts delivered right to your inbox. Your email address Subscribe Now check your inbox and click the link to confirm your subscription. Please enter a valid email address Oops! There was an error sending the email, please try later. Peter and Sara