3.7v to 12v boost converter

[sshibly]

I need a 3.7v to 12 boost converter, preferably the sealed waterproof enclosures. Any one find one?

 

[Bud Martin]

What is the output current requirement?
You also have to look at the spec of the input current rating.

DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply | eBay

Find many great new & used options and get the best deals for DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply at the best online prices at eBay! Free shipping for many products!

www.ebay.com

 

[sshibly]

I found this on ebay,

DC-DC 4A Boost Converter 3V-32V 12V to 5V-35V 24V Step Up Power Supply Module | eBay

Output Range: 5V ~ 35V. Input Range: 3V ~ 32V. The board is a high-performance 400KHz 4A switch currency step-up (BOOST) module. With 4A high efficiency MOSFET switches, so the efficiency can be up to 94%, (LM2577current is 3A only).

www.ebay.com

not waterproof, but I guess I can go to town with my daughter's nail polish ....

 

[sshibly]

What is the output current requirement?
You also have to look at the spec of the input current rating.

DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply | eBay

Find many great new & used options and get the best deals for DC-DC 100W 3V 5V 12V 24V to 3.5-35V Boost Step-up Converter Module Power Supply at the best online prices at eBay! Free shipping for many products!

www.ebay.com

lol, exactly what I was looking at.

 

[sshibly]

I found a different one that does 5v to 12v to 12v
It is a sealed unit that is waterproof. it runs $13 plus shipping from feebay