Does it shut off when the voltage gets low or will it completly drain the battery?

Li‑Ion tools are designed with an Electronic Protection System that will protect the battery pack against overloading, overheating or deep discharge. The tool will automatically turn off and the battery pack will need to be recharged.

Does the inverter have an auto shutoff function? Is there a built-in cooling fan?

If it’s not being used it does shut off, but as long as your device is plugged in it will stay on. There is a cooling fan in the charger.

will the usb port run a 12volt?

No, the power inverter would not be used for a 12v battery.

What's the most efficient way to charge usb on this? with the work light setting?

Pressing the LIGHT power button does turn the USB Ports on but it also turns the work light on, which is kind of dumb. So in order to turn the USB ports on WITHOUT the work light also turning on you use the Main Power button that turns the inverter itself on. So in short, turn the unit itself On via its power button on the front of the unit to use the USB ports and NOT from the Work Light button. Hope this better explains how to use it.

CRAFTSMAN V20 Charger, Power Inverter, Charging Ports for Type-C, Type-A, and AC, 150 Watts, Bare Tool Only (CMCB1150B)

CRAFTSMAN V20 Charger, Power Inverter, Charging Ports for Type-C, Type-A, and AC, 150 Watts, Bare Tool Only (CMCB1150B)

Product ID: 607139192

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Details

Brand
Craftsman
Recommended Uses For Product
Car Laptop Van
Power Source
Battery
Wattage
150 Watts
Model Name
CMCB1150B

⚡3 Charging Ports (Type-C, Type-A, AC)

🔌150W Power Inverter

🔦Built-in LED Flashlight

Description

⚡ Power up, light up, and stay connected—your all-in-one charging solution!

RUGGED DURABILITY - Durable rubber overmold protects against drops and daily wear for long-lasting use.
TRIPLE PORT POWER HUB - Seamlessly charge multiple devices with Type-C, Type-A, and AC outlets.
VERSA TRACK COMPATIBLE - Easily mounts with VersaTrack system (sold separately) for ultimate workspace organization.
150 WATTS OF PURE ENERGY - Robust power inverter ensures efficient energy delivery for all your tools.
ILLUMINATE YOUR WORKSPACE - Integrated LED flashlight brightens dark environments—work anytime, anywhere.

The Craftsman V20 Charger (CMCB1150B) is a compact, 150-watt power inverter featuring three versatile charging ports (Type-C, Type-A, and AC) and a built-in LED flashlight. Designed with a durable rubber overmold and compatibility with the VersaTrack mounting system, this battery-powered charger is engineered for professionals who demand reliable power and convenience on the go.

Specifications

Brand	Craftsman
Manufacturer	CRAFTSMAN
Model	CMCB1150B
Model Name	CMCB1150B
Product Dimensions	8.13 x 7.62 x 11.68 cm; 320 g
Item model number	CMCB1150B
Mounting Hardware	Cmcb1150 Inverter. Battery & Charger Sold Separately
Number of items	1
Voltage	20 Volts
Wattage	150 Watts
Power Source	Battery Powered
Batteries Included	No
Batteries Required	No
Manufacturer	CRAFTSMAN
Country of Origin	USA
Item Weight	320 g

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TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

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