Kirkland batteries offer two models: Double-A and Triple-A, via Nicer Abode. The Double-A variant has a shelf life of 10 years and contains no added mercury while the Triple-A model is equipped with 1.5 volts. In an experiment conducted by NBC12, this particular brand lasted nine minutes shy of a full six hours while weakening at the same time as the Duracell brand. Typically, you can purchase a pack with a 48 count for around $14.
Out of a score of 100, Kirkland’s Double-A model scored an 80, which is standard for store brand batteries. A warranty is available for this brand as well, however, due to only being available at Costco, you must obtain it through the store as they are only covered under Costco’s battery warranty. While this retail chain’s policy is not thorough, it can be assumed that a receipt must be provided to obtain the warranty. It must be noted…