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| || {{attachment:9LED3Cell.jpg| | }} || 9 LED plastic flashlights using 3 AAA alkaline batteries in a round battery holder are inexpensive and reasonably tolerant of abuse. S<<BR>><<BR>adly, they use up alkaline batteries fast, which are more expensive than the flashlight. As the batteries wear out, voltage drops below 1.2V, the flashlight dims, and becomes unusable while there is some energy left in the batteries. Worse, old alkaline batteries fail and leak alkaline gunk that corrodes the innards of the flashlight.<<BR>><<BR>>Fortunately, || | || {{attachment:9LED3Cell.jpg| | }} || 9 LED plastic flashlights using 3 AAA alkaline batteries in a round battery holder are inexpensive and reasonably tolerant of abuse. <<BR>><<BR>>Sadly, they use up alkaline batteries fast, which are more expensive than the flashlight. As the batteries wear out, voltage drops below 1.2V, the flashlight dims, and becomes unusable while there is some energy left in the batteries. Worse, old alkaline batteries fail and leak alkaline gunk that corrodes the innards of the flashlight.<<BR>><<BR>>Fortunately, || |
ThreeAAAto18500LiIon
Replacing Flashlight 3 AAA Alkaline Battery Cartridge
with One Rechargeable 18500 Lithium Ion Battery
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9 LED plastic flashlights using 3 AAA alkaline batteries in a round battery holder are inexpensive and reasonably tolerant of abuse. |
