![How can I test this to see if it's still good? I found 6 of them in a junk drawer. They're easily over 10 yo. : r/batteries How can I test this to see if it's still good? I found 6 of them in a junk drawer. They're easily over 10 yo. : r/batteries](https://preview.redd.it/r11rx6dhdfs41.jpg?auto=webp&s=707420547c328d42b7f066582c8c34df3f6eb425)
How can I test this to see if it's still good? I found 6 of them in a junk drawer. They're easily over 10 yo. : r/batteries
![Can't tell if the batteries are safe to use. My charger was beeping red which means that one or more of the batteries are bad. Thanks for the help : r/spicypillows Can't tell if the batteries are safe to use. My charger was beeping red which means that one or more of the batteries are bad. Thanks for the help : r/spicypillows](https://preview.redd.it/2z6s40dsc1u91.jpg?width=640&crop=smart&auto=webp&s=5dab12dfd72b18e1f1efdf8cc959342f03422de4)
Can't tell if the batteries are safe to use. My charger was beeping red which means that one or more of the batteries are bad. Thanks for the help : r/spicypillows
![Which AA Rechargeable Battery is Best after 1 Year? China's NiMH vs Japan's? Let's find out! (Video by Project Farm) (AA Duracell 2450mAh came out first) : r/AAMasterRace Which AA Rechargeable Battery is Best after 1 Year? China's NiMH vs Japan's? Let's find out! (Video by Project Farm) (AA Duracell 2450mAh came out first) : r/AAMasterRace](https://external-preview.redd.it/Ez6DBILjeTvPJebKiM2dNFKIotyGEkbhmRhlcPO3bSA.jpg?format=pjpg&auto=webp&s=37625a66540153e29cdb7d1583ad30cb18533013)
Which AA Rechargeable Battery is Best after 1 Year? China's NiMH vs Japan's? Let's find out! (Video by Project Farm) (AA Duracell 2450mAh came out first) : r/AAMasterRace
![Rechargeable AA and AAA batteries I got from my nan. Anyone know how old they are? More details about them in the comments. : r/batteries Rechargeable AA and AAA batteries I got from my nan. Anyone know how old they are? More details about them in the comments. : r/batteries](https://i.redd.it/1xiamlyffsp81.jpg)