Tag Archives: Eneloop

Replace D Size Batteries with Eneloop

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I have a motion sensor spotlight that uses 4 D-size batteries. The motion sensor trips a lot — too much. I changed the batteries 2 times since I got the unit (about 3 months ago). To save costs, I’ve replaced the alkaline batteries with rechargeable NiMH batteries.

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D-size batteries are considerably larger than AA. It’s not just wider, but taller. The insert compensates by having an extension contact at the top and a bottom spacer with another contact. The battery fits snuggly in its case.

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So far, the battery output is strong enough to power the sensor and the lights. Looks to be a win on this lifehack.

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