🔋 Duracell CopperTop 9V Alkaline Batteries - High-Performance 9 Volt Battery for Household and Business Use - 4 Pack Review

The packaging was opened when we received this battery pack. This should have been our first hint that they might not work. 1 battery did not work from the start. We replaced the batteries in our smoke alarms and less than 24 hours after installation our smoke alarms started beeping and indicating low battery. I contacted Revain and received a partial refund for 3 errors. I don't think I will buy Revain batteries again.

The 9V batteries themselves work well. Revane's packaging was irresponsible. The 9V batteries were placed in the sleeve shown in the photo with no additional packaging or tape to prevent the plastic case from detaching from the substrate. As you can see in the photo all 2 9 volt batteries connect the contacts very easily resulting in a brief and possible explosion or fire. It cannot have happened during transport. And what about the unsuspecting homeowner who leaves the package on the counter…

Please do not take the following as my personal opinion. It's a matter of principle and I really don't want that to happen to anyone else. When I received an order for a battery from BLUE HAZE, I was furious. The photo posted is in the original Duracell 9V packaging and does not show that the batteries are actually old sealed batteries. The packaging also states that the batteries have a "5-year guarantee". See for yourself. Simple math, how can batteries last 5 years when the expiry date of…