![Why do unused unexpired alkaline batteries leak? They were in a box in an indoor closet. The outer two leaked. : r/batteries Why do unused unexpired alkaline batteries leak? They were in a box in an indoor closet. The outer two leaked. : r/batteries](https://i.redd.it/mpgxlkzoed251.jpg)
Why do unused unexpired alkaline batteries leak? They were in a box in an indoor closet. The outer two leaked. : r/batteries
![Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy](https://c8.alamy.com/comp/FJTPC3/old-alkaline-household-batteries-leak-a-white-crusty-substance-made-FJTPC3.jpg)
Old alkaline household batteries leak a white crusty substance made of potassium carbonate (K2CO3 Stock Photo - Alamy
![Amazon.com: PKCELL 40 Counts 1.5V LR1/MN9100/E90/N Size Alkaline Batteries, Leak-Proof Batteries, High Performance and Powerful Batteries, Suitable for All Kinds of Electronic Equipment : Health & Household Amazon.com: PKCELL 40 Counts 1.5V LR1/MN9100/E90/N Size Alkaline Batteries, Leak-Proof Batteries, High Performance and Powerful Batteries, Suitable for All Kinds of Electronic Equipment : Health & Household](https://m.media-amazon.com/images/I/81Rgvd51JTL._AC_UF894,1000_QL80_.jpg)
Amazon.com: PKCELL 40 Counts 1.5V LR1/MN9100/E90/N Size Alkaline Batteries, Leak-Proof Batteries, High Performance and Powerful Batteries, Suitable for All Kinds of Electronic Equipment : Health & Household
![For nearly the past 10 years, I've found that the Kirkland brand batteries leak without fail. Doesn't matter what size, they all leak. I can't wait for them to find a new For nearly the past 10 years, I've found that the Kirkland brand batteries leak without fail. Doesn't matter what size, they all leak. I can't wait for them to find a new](https://i.redd.it/jqnc8e5ogqm71.jpg)
For nearly the past 10 years, I've found that the Kirkland brand batteries leak without fail. Doesn't matter what size, they all leak. I can't wait for them to find a new
![How to Clean Up Alkaline Battery Leaks - News about Energy Storage, Batteries, Climate Change and the Environment How to Clean Up Alkaline Battery Leaks - News about Energy Storage, Batteries, Climate Change and the Environment](https://www.upsbatterycenter.com/blog/wp-content/uploads/2017/01/Leaked-Alkaline-Battery.jpg)