can this hold cr2025 batteries?

Yes, as they are the same diameter, just a little thinner. You could also add a washer or something for a shim if not thick enough.

Can anyone tell me how many small led lights one of these can illuminate without killing the batteries super fast?

I tried 3 LED wired in parallel and it last more than 2 weeks with about 2 hours/ day.

What do most people use these for?

use for anything that needs voltages and currents that a coin cell can supply. also use a s a temporary substitute when changing the original or later batteries in a device that requires a voltage for a memory chip not to lose its memory, etc. Also nice to just stare at and maybe hang on the wall.

Could someone kindly provide more specific instructions on how to connect to an led light set for christmas sweater? thanks.

Solder red wires together and black wires together. Install batteries and flip the switch on. If you don’t know how to solder, I would suggest twisting them tight and heat shrinking them with tight heat shrink

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6 Pcs 2 x 3V CR2032 Button Coin Cell Battery Holder

6 Pcs 2 x 3V CR2032 Button Coin Cell Battery Holder

Product ID: 173831931

Details

Number of Batteries
6 CR2032
Brand
QTEATAK
Battery Cell Composition
Alkaline
Battery Capacity
3 Volts
Recommended Uses For Product

🔋6V output power

🔧Snap-in design, no screws needed

🛠️Durable hard plastic & metal build

€ 9.46

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Description

🔌 Power your passion with snap-in ease and rock-solid reliability!

RUGGED DURABILITY - Crafted from high-strength materials to withstand daily wear and tear.
VERSATILE COMPATIBILITY - Ideal for toys, remotes, LED lighting, wireless keyboards, and more.
UNIVERSAL 6 V POWER BOOST - Perfectly powers all your 3V CR2032 battery needs with reliable voltage.
SOLDER READY COPPER CONDUCTORS - Tinned wire ends ensure seamless, secure connections every time.
EFFORTLESS SNAP IN INSTALLATION - Say goodbye to screws—quick setup for your DIY projects.

This 6-pack of 2x3V CR2032 button coin cell battery holders delivers a stable 6V output with a snap-in design for tool-free installation. Built from durable plastic and metal, it features pre-mounted wires with tinned copper conductors for easy soldering. Compatible with a wide range of low-voltage electronics, it’s the perfect upgrade for DIY enthusiasts and professionals seeking reliable, versatile power solutions.

Specifications

ASIN	B08113GW84
Antenna Location	Indoor/Outdoor
Battery Capacity	3 volts
Battery Cell Composition	Alkaline
Battery Cell Type	Alkaline
Battery Weight	0.1 kg
Brand	QTEATAK
Compatible Phone Models	1
Customer Reviews	4.5 out of 5 stars 566 Reviews
Item Weight	0.01 kg
Manufacturer	Jianfeng Store
Model Name	OS-99T1-Y8LS
Model Number	de-Cable-22h-1249
Number of Batteries	6 CR2032 batteries required.
Recommended Uses For Product	Indoor/Outdoor
Reusability	YES
UPC	744790367126
Unit Count	6 Count
Voltage	3 volts

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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€ 9.46

Duties & taxes included

In stock

Sold byAmazon PortugalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Portugal.

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TrustScore 4.5 | 7,300+ reviews

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Great experience from order to delivery. Highly recommended!

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