2 of 2 people found the following review helpful
These are the best to get,
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This review is from: Duracell MX1604 Ultra Power 9v Batteries--Pack of 5 (Personal Care)
Similar to other comments - we needed to get this pack of five 9v batteries to replace them in our smoke alarms. We have always bought Duracell as they seem to last the longest, in which ever device they are placed, so for us this purchase was a no brainier. We would not hesitate in recommending them, just ensure you buy them from a reputable source.