![]() Indeed, the drawback of lithium batteries is high cost, which is why alkaline batteries are still very popular. Lightweight: Between 30-50% lighter than alkaline and rechargeable batteries.īy now, you’ve probably noticed that we haven’t mentioned how much lithium batteries cost.Long Storage Life: Retains 90% capacity after 15 years.Leak-Free: We’ve all had a messy alkaline leak at some point or another, and a battery leaking in a confined space is usually the end for a flashlight.Extreme Temperatures: Works from -40☏ to 140☏.Lithium batteries also have a slightly higher voltage, giving flashlights an extra boost. Better Performance: Alkaline batteries aren’t designed for the high current draw of high-powered LED flashlights. ![]() Lasts Longer: At 500mA current draw, a lithium AA battery has a capacity of 3000mAh, compared to 1400mAh for alkaline.This new test result will be included in all of our future reviews where applicable, and we will gradually roll out this feature to previous reviews.Ī question frequently asked about lithium AA/AAA batteries is: why are they superior to alkaline? Here are a couple reasons: As part of our dedication to providing valuable information in our reviews, LED-Resource is pleased to announce that we have partnered with Energizer, manufacturer of long-lasting and lightweight lithium primary AA and AAA batteries, to provide runtime test results using Energizer Ultimate Lithium batteries.
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