Would this be strong enough to charge a laptop?

Yes it can charge a laptop no problem

How many full charges can you expect from this for an iPhone 12?

It depends on what type of battery your using

Does this work with their 40v batteries?

No. Worx produces two types of PowerShare batteries, and this adapter do not fits to my own bateries. Maybe because I live in Europe and different batteries are sold here than in the US. See video. Does Worx make different USB adapters?

Will this fit the craftsman 20v 4.0 ah. ?

I don't know, but I wouldn't think so since it is made by Worx for Worx chargers.

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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WORX WA3769 USB Charger Adapter Battery

Product ID: 288942111

Details

Amperage
4.8 Amps
Brand
WORX
Color
Black
Compatible Devices
Smartphones
Compatible Phone Models
[Wide range of
Connector Type
USB USB Type A

📊Integrated charge indicator for real-time battery status

🔋Universal 20V PowerShare battery compatibility

🔌Dual USB Type-A ports for simultaneous device charging

Description

🔋 Power your life, your way—anytime, anywhere.

DOUBLE THE JUICE - Two USB Type-A ports let you charge multiple devices simultaneously—because one is never enough.
STAY IN THE KNOW - Built-in charge indicator keeps you informed of your battery’s remaining power—no surprises, just seamless charging.
POWER UP ANYWHERE - Transform your Worx 20V batteries into a versatile USB power bank—charge phones, tablets, and more on the go.
EMERGENCY READY WORKSITE SMART - Perfect for power outages, camping, or the job site—never miss a beat when it comes to staying connected.
ONE BATTERY ENDLESS POSSIBILITIES - Works with all Worx 20V PowerShare batteries, powering tools and devices alike—simplify your gear with one battery system.

The WORX WA3769 USB Charger Adapter converts any Worx 20V PowerShare battery into a dual-port USB charging station, featuring a charge indicator for battery status. Compact and lightweight, it enables professionals and enthusiasts to charge multiple devices simultaneously on the job site or during emergencies, leveraging the same battery platform that powers a wide range of Worx tools.

Specifications

ASIN	B08W9BMX1F
Additional Features	Charging Indicator
Amperage	4.8 Amps
Best Sellers Rank	#627,576 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #1,883 in Power Tool Battery Chargers
Brand	WORX
Built-In Media	1 x USB Cable
Color	Black
Compatible Devices	Smartphones, Tablets
Compatible Phone Models	[Wide range of USB-compatible phones and devices]
Connectivity Technology	USB
Connector Type	USB, USB Type A
Current	DC
Current Rating	4.8 Amps
Customer Package Type	Standard Packaging
Customer Reviews	4.7 out of 5 stars 413 Reviews
Enclosure Material	Plastic
Form Factor	Battery Attachable Adapter
Global Trade Identification Number	00845534022117
Included Components	1 x USB Cable
Input Voltage	20 Volts
Item Type Name	USB Charger Adapter
Item Weight	4.3 Ounces
Main Power Connector Type	2 Pin
Manufacturer	Worx
Mfr Part Number	WA3769
Model Name	Worx WA3769 USB Charger Adapter for Worx Battery
Model Number	WA3769
Mounting Type	Wall Mount
Number of Items	1
Number of Power Levels	1
Output Current	4.8 Amps
Output Voltage	20 Volts
Portable	Yes
Power Plug	No Plug
Power Source	Battery Powered
Special Feature	Charging Indicator
Total USB 2.0 Ports	2
Total Usb Ports	2
UPC	845534022117
Wattage	20 watts
Wired Charging Connector Type	USB Type A

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