Are the input and output isolated, or do they share a common ground?

XL6009 or LM2577 are not isolated SMPS regulators. Input and output share common ground. They have individual terminals but the negatives on both ends join on the bottom as a single ground plane. This doubles as thermal relief for the IC. No isolation exists on the output end.

When set to 12volts, is 400khz safe to use to charge a microsoft surface pro 4?

400khz is the internal oscillator frequency that it uses to do the step-up voltage conversion. The output is rectified to DC before the output. The Surface Pro won't know the difference whether it's 400khz or 60hz. Most laptop power supplies nowadays are switching supplies which use the same technique.

What size are the mounting holes?

There are two mounting holes. The holes are .139 inches, or 3.53mm. You can see one of the holes in the upper right side of the picture. Good Luck on your project!

Can this be submerged in 2 part clear epoxy to make it water proof?

Ideally not, you better use a waterproof enclosure for electronics. This module requires passive cooling, if you dip it in resin, heat won't be able to escape.

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Gowoops 2PCS 150W DC-DC 10-32V to 12-35V Step Up Boost Converter Module Adjustable Power Voltage

Product ID: 20078621

Details

Brand
OSOYOO
Current Rating
10 A
Mounting Type
Surface Mount
Power Source
Battery
Product Dimensions
0.83"D x x

⚡150W max power output

🔧Adjustable 12-35V output voltage

🌡️Industrial temp range -40°C to +85°C

EC$74

Duties & taxes included

In stock

Sold byAmazon Saint Vincent and the GrenadinesDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Elevate Your Power Game with Precision & Reliability!

COMPACT YET MIGHTY - Small 65x35x21mm footprint packs a punch with 10A max output current for versatile applications.
DUAL PACK CONVENIENCE - Two modules included—double your power options or keep a backup for uninterrupted performance.
PRECISION VOLTAGE CONTROL - Easily dial output voltage from 12V to 35V to match your device’s exact needs.
BUILT FOR EXTREME CONDITIONS - Industrial-grade temperature tolerance (-40°C to +85°C) keeps your gear running no matter what.
POWER YOUR DIY PROJECTS LIKE A PRO - Boost up to 150W with ultra-efficient 94% conversion—perfect for laptops & custom power setups.

The Gowoops 2PCS 150W DC-DC Step Up Boost Converter Modules deliver adjustable 12-35V output from a 10-32V input with up to 10A current and 94% efficiency. Designed for industrial temperature ranges and compact form factor, these modules are ideal for powering laptops and custom electronics with reliable, high-performance voltage boosting.

Specifications

ASIN	B00J1X4XXM
Best Sellers Rank	#439,197 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,945 in Power Converters
Brand Name	OSOYOO
Current Rating	10 A
Customer Reviews	4.4 4.4 out of 5 stars (139)
Item Dimensions D x W x H	0.83"D x 2.56"W x 0.83"H
Item Weight	4.7 ounces
Manufacturer	Gowoops
Model	LACC200120*2
Mounting Type	Surface Mount
Number of Items	2
Number of Packs	2
Part Number	2016007000
Power Source	Battery Powered
UPC	700686900105
Unit Count	2 Count

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