are these polarized or non-polarized?

All electrolytic capacitors are polarized indicated by a "+" symbol or band. This must be observed when replacing an existing electrolytic. I surmise from your question that you should do some research on line. There are many informative sites. Even Wickipedia.

What do the numbers mean (e.g., 4x7 and 5x11)?

It indicates the physical size of tha capacitor, diameter and height.

Generally speaking, electrolytics of this size are rarely certified as “low ESR. Usually they have higher voltage ratings and higher capacitance values. That said, I would say “no.”

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Swpeet 240Pcs 24 Kinds Different Electrolytic Capacitors Range 0.1uF－1000uF Assortment Kit, 10V/16V/25V/50V Aluminum Radial Electrolytic Capacitors for TV, LCD Monitor, Radio, Stereo, Game

Swpeet 240Pcs 24 Kinds Different Electrolytic Capacitors Range 0.1uF－1000uF Assortment Kit, 10V/16V/25V/50V Aluminum Radial Electrolytic Capacitors for TV, LCD Monitor, Radio, Stereo, Game

Product ID: 100867510

Details

Brand
Swpeet
Capacitance
0.1 microfarad
Material
Aluminum
Maximum Storage Temperature
105 °C
Shape
Cylindrical

📦Organized reusable box

🔋240 pcs capacitors kit

🌡️Wide -40℃ to +105℃ range

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Description

⚡ Power Your Projects with Precision & Style!

BUILT TO ENDURE - Robust aluminum electrolytic design with -40℃ to +105℃ operating range
DI YERS DREAM KIT - Perfect for repairs, prototyping, and upgrades on TVs, radios, game consoles, and more
EFFORTLESS ORGANIZATION - Clearly labeled, compartmentalized box keeps your components ready and accessible
VERSATILE VOLTAGE OPTIONS - Includes 10V, 16V, 25V, and 50V ratings for flexible circuit compatibility
ULTIMATE VARIETY ZERO GUESSWORK - 240 capacitors spanning 0.1uF to 1000uF for every project need

The Swpeet 240-piece electrolytic capacitor assortment offers 24 distinct capacitance values from 0.1uF to 1000uF, housed in a reusable, clearly labeled box. Crafted with high-quality aluminum, these capacitors operate reliably across a broad temperature range (-40℃ to +105℃) and support voltages from 10V to 50V, making them an essential, versatile toolkit for electronics professionals and hobbyists alike.

Specifications

ASIN	B07KC99W2K
Best Sellers Rank	#62,038 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #411 in Industrial Electrical Capacitors
Brand	Swpeet
Brand Name	Swpeet
Capacitance	0.1 microfarad
Capacitance Tolerance	20
Customer Reviews	4.6 out of 5 stars 1,760 Reviews
Included Components	Electrolytic Capacitors
Item Shape	Cylindrical
Manufacturer	Swpeet
Material	Aluminum
Material Type	Aluminum
Maximum Storage Temperature	105 °C
Maximum Voltage	50 volts
Mounting Type	Through-Hole Mount
Number of Items	75
Operating Voltage	50 volts
Part Number	S309-Capacitor-240
Shape	Cylindrical
UPC	754914370178
Upper Temperature Rating	105 °C

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€ 30.67

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In stock

Sold byAmazon FinlandDelivered 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 Finland.

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TrustScore 4.5 | 7,300+ reviews

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