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How long can a 3.7 lithium battery boost 12V to power a light?

By.Johns 2024-08-09 07:12:02 Share on facebook Share on Google Share on Instagram Share on Pinterest Share on Twitter Share on Tumblr Share on WhatsApp Share on Telegram Share on Reddit Visit our Instagram

Introduction How long can a 3.7 lithium battery boost 12V to power a light? If it is at room temperature, the power of 12 V7AH is 12*7 = 84 VAH, or 84 WH, 84 W.

How long can a 3.7 lithium battery boost 12V to power a light?

If it is at normal temperature, the power of 12V7AH is 12*7=84VAH, or 84WH 84WH divided by 5W=16.8 hours, or approximately 17 hours. But if it is 0 degrees, the quantity discharged will be much less. A better battery may discharge to over 85%, and a bad battery may discharge to around 50%. In other words, it takes between 8.5 and 14 hours. It depends on the battery performance at low temperatures.

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