Step Up Boost DC-DC Converter 0.9-5V to 5V 600MA USB Output Module

Step Up Boost DC-DC Converter 0.9-5V to 5V 600MA USB Output Module

Marsoni

M251S

$150.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Step Up Boost DC-DC Converter 0.9-5V to 5V 600MA USB Output ModuleModule Properties: non isolated step up module (BOOST) input voltage: 1 5V Output voltage: 5. 1 5 . 2 V Output Current: Rated 1A 1. 5A (single lithium input), the maximum 1. 5A (single lithium input) Efficiency: Up to 96% (the higher the input voltage, the higher the efficiency) Switching frequency: 500KHz Output ripple: 30mV (MAX) 20M bandwidth (input 4V output 5. 1V 1A) Voltage indication: LED lights with load (input voltage less than 2. 7V LED

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Looks great, quality is really good too. Only downfall is that if you don't wear it everyday, you will have to wind it up and move it to get the second hand moving again and then set the time again i can get mine sit for a whole day without resetting time but by day two it has to be reset. Even with that, it's a great watch. Have gotten lots of compliments.

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Reviewed in the United States on January 2, 2026

Verified Purchase

B. Johnson

West Palm Beach, US

★★★★★ 5

Best quality for the price!

Color: 9910: All black

For the price all these Olevs watches are bad ass!! I have 3 of them.

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Reviewed in the United States on December 19, 2025

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Kalen Wodraska

Natrona Heights, US

★★★★★ 1

Beautiful, but doesn’t last

Color: 9910: All black

It’s beautiful, but does not last. Purchased as a gift for my husband and it stopped working altogether and wasn’t able to be wound after a few weeks. We returned it. He really missed having it so we ordered a new one, hoping to have better luck. This one lasted a few months but the needle for then”Day of the week” has since fallen off today. Very disappointing.

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Reviewed in the United States on February 8, 2026

Verified Purchase

Lo recomiendo

Lake Worth, US

★★★★★ 5

Recomendado

Color: 6638: Gold band & Green dial

Excelente! Me gustó mucho y si cumplió con mis expectativas

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Reviewed in the United States on April 4, 2026

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