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Why aren't we supposed to mix old and new batteries?

The performance of battery-operated device is limited by the weakest battery in the device. Mixing in an older, weaker battery can cause poor performance and reduced run time even if the other batteries are fresh and new.

The information on this page applies to the following models: 3R12L1B/10 , R6L4F/10 , R6L4B/10 , R20L2B/10 , R14L2B/10 , R03L4B/10 , LR6P4B/10 , LR6P12W/10 , LR6E4B/10 , LR6E2B/10 , LR20P2B/10 , LR20E2B/10 , LR14P2B/10 , LR03P4B/10 , LR03P12W/10 , LR03E4B/10 , LR03E2B/10 , 3R12L1F/10 , 6F22L1B/10 , 6F22L1F/10 , 6LR61E1B/10 , 6LR61P1B/10 , FR03LB4A/10 , FR6LB2A/10 , FR6LB4A/10 . Click here to show more product numbers Click here to show less product numbers

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