Review on 🔋 Durable Duracell Procell 9V Batteries - Pack of 12, with Varying Packaging Options by Jessica Hill

I bought these on the eve of the annual battery change in smoke detectors. I've never heard of Procell and I usually buy large batteries from Costco. I need 10 and Costco changed their packaging to 8 by increasing the price so I looked around and found this. Research on battery websites shows they are the same as the leading copper consumers, only packaged in bulk. Some research suggests that prosells have a slightly higher initial fee. I measured 9.7 volts on them and 9.4 on a fresh copper tip I had. Who knows if that's true or not. Despite this, my delivery in an envelope has resulted in the box being torn, but all the batteries stayed in place. My plastic caps didn't have tension test holes, but I just took the plastic off and checked. The dates are March 22nd, which will be much later than when they are used, so there is no problem. I am very happy that I discovered procell and will continue to buy other sizes in the future as before.