What kind of batteries can I use? igloohome Support July 03, 2017 10:20 Follow Please only use alkaline batteries. Note: Do not use Heavy Duty, Eveready, or rechargeable batteries. Related articles How will the lock alert me when it is low on battery? On average, how long does the batteries last? Can I use rechargeable batteries? How do I replace batteries on my lock? My batteries have completely run out and I am locked outside my house. What can I do? Comments 0 comments Please sign in to leave a comment.