This is a high grade DC Buck converter that inputs 8 to 12V and outputs 5V up to 3A or 15W. With good thermal performance and protection, this DC block is perfect for battery applications (such as SLAs or LFPs) that need to power a USB or 5V device even while the input is varying (battery charge/discharge). 89% efficiency makes this a high-efficiency, plug and play, DC Step Down solution.
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I know the title says 8-20V but the description says 6-20V so I gave it a whirl. I have a 7.5V battery and it did not work. I hooked it up to a 9V power source and it works. Stick to the 8V minimum not 6V. I have no real review as it is of no use to me.
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What's an SLA or a LFP? Thanks, Mark
Sealed lead acid, Lithium iron phosphate (LiPo).
Looks like Sparkfun has gotten into selling junk products without evaluating them, joining the race to the bottom with Amazon, Newegg, etc. Too bad.
I'm going to purchase this and see how it fares, will report back. But, I agree here, it's sad to see random chinese products that are just... out of place here.