Duracell, DURMN1300R4ZCT, Coppertop Alkaline D Battery 4-Packs, 48 / Carton, Black

DO NOT BUY Duracell batteries. Had them in a desk clock. After clock stopped, opened clock to replace AA battery. Battery leaking everywhere with liquid and white crust. New clock is ruined. Never had this happen with Energizer. Will Never Buy Duracell.

Duracell restrictions on so called special characters limit my ability to post a properly punctuated review in decent grammar but I shall try anyway. We have happily been using various sizes of Duracell Coppertop alkaline batteries for many years and have never before had any reason to be disappointed with their quality. The other day however our Sony remote control module stopped working and when we opened the battery compartment to replace its two Duracell batteries after about six months of use we found that one of them had leaked causing corrosion damage to both of its battery compartment contacts. This occurred on March ninth in the year two thousand fourteen in spite of the Duracell being labeled with a best before date of March two thousand sixteen. Although I have tried cleaning the affected contacts the remote control module no longer works even with absolutely fresh batteries probably because at least one of the thin connecting wires hidden inside the device has been corroded all the way through. I have had to order a new one at a cost of about fifty dollars Canadian and when it arrives in a few weeks I shall try to send the damaged unit along with the offending battery to Duracell for repair or compensation. It is a sad comment on our times but it seems that a growing number of name brand products with previously excellent reputations are currently suffering a similar decline in quality.

Just had a maglite flashlight destroyed from leaking Copper Top battery. Just using in non extreme environment. Very diapointing. Third occurane of an issue in lat 8 years. It may be time to try a new brand. I used to excusively use Duracell batteries but not sure this is smart to do anymore.

I've always been a "find-a-brand-that-works-and-stick-to-it" type of girl. Duracell has ALWAYS been my battery of choice because it USED to always be more reliable and last the longest...especially in electronics. NOW??? Forget it. Ever since they introduced this (insert expletive here) DuraLock "technology", nothing lasts long at all. I used to go for at least 6 months of regular every-day usage of my wireless mouse. Now? Less than a month. First pair of DuraLock batteries I put in my wireless indoor/outdoor thermometer ruined the electronics...certain parts don't work right anymore and it's not due to leakage. LUCKILY, I haven't had any leakage that I have found, but I think it's only because I've had to replace them due to them being dead before they had the opportunity to leak. My daughter's play cash register (which she doesn't even use a lot), doesn't work more than 2 week...and doesn't even work correctly right after installing new ones. And it's NOT a problem with the toy as other batteries make it work right. Duracell REALLY needs to go back to their tried and true formula...not this manure that they're trying to feed us. Luckily, I can still find slightly older batteries (but still good and NON-DuraLock) in some Mom & Pop stores locally. If they don't fix this, I may have to go hopping down the "bunny" trail...

For over 40 years I have relied on Duracell batteries...but not anymore. The alkaline AA and AAA batteries appear to have degraded in quality as I have experienced a marked increase in leakage...even in the packages before they are opened and well before the expiration dates. Two of my remote controls were RUINED by leaking Duracell batteries that were not that old. I know the batteries carry a warranty, but who has the time to file a claim...lesson learned: use another name brand.