BLACK+DECKER CM2046S 12-Cup Thermal Programmable Coffee Maker

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Product guide

BLACK+DECKER CM2046S 12-Cup Thermal Programmable Coffee Maker

The BLACK+DECKER CM2046S is a 12-cup programmable drip coffee maker with a vacuum-sealed thermal carafe and adjustable brew strength. Its carafe is claimed to keep coffee hot for up to two hours, while a 24-hour timer lets you schedule brewing ahead.

At a glance

Schedule brewing up to 24 hours ahead and select a slower, stronger brew when desired.
The four-layer vacuum-sealed thermal carafe is claimed to keep coffee at 154°F or hotter for up to two hours. The manufacturer recommends preheating it with hot water for best results.
A freshness timer displays elapsed time since brewing, up to 120 minutes.
The removable brew basket is dishwasher-safe and compatible with basket-style paper filters, according to the listing.

Price

$53.54Save 31%

Reference price: ~~$77.99~~

Price checked: Nov 14, 2026

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Pros and cons

Pros

Thermal carafe avoids relying on a warming plate to keep brewed coffee hot.
Programmable brewing and a strength selector offer useful routine and taste adjustments.
The listing describes a removable, dishwasher-safe brew basket and a front-facing water window.

Cons

The listed 12-cup capacity is based on approximately 5-ounce cups, so it does not mean twelve standard-size mugs.

Technical specifications

15 specifications

Identity
Brand	BLACK+DECKER
Model	12-Cup* Thermal Programmable Coffeemaker

Brewing
Capacity	12 cups
Type	Drip Coffee Machine
Operation	Fully Automatic
Coffee input	ground coffee
Filter	Reusable
Filter size	#6
Power	800 watts
Voltage	120 volts

Controls and display
Controls	Buttons
Screen technology listed	LCD

Dimensions and construction
Dimensions listed	9"D x 9.4"W x 13.2"H
Material listed	Stainless Steel
Color	Black

What to know before buying

The two-hour heat-retention claim is conditional on preheating for best results, and the listing says coffee stays at 154°F or hotter during that period. Customer feedback reports mixed experiences with temperature retention and brew speed, so these claims should not be treated as guaranteed outcomes.

What’s in the box

Included

Carafe
Filter

Who is it for?

A good fit for

Households that brew several servings at once and prefer coffee held in a thermal carafe.
People who want scheduled drip brewing and an optional stronger setting.
Buyers who use ground coffee and value a reusable filter with the option to use basket-style paper filters.

Less suited to

People who need single-serve brewing, espresso, or a machine for whole beans. The listed input is ground coffee and the machine is a drip coffee maker.
Buyers who need a confirmed brew-time guarantee or assured heat retention beyond the stated conditions.

BLACK+DECKER CM2046S 12-Cup Thermal Programmable Coffee Maker · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.2 / 5 · 5,437 ratings

5 stars66%66%
4 stars13%13%
3 stars6%6%
2 stars6%6%
1 star9%9%

Customer feedback is generally positive about ease of use, cleaning, coffee taste and perceived quality. Experiences with heat retention and brewing speed are mixed, and opinions on value also differ. Those differences matter if you need predictable serving temperature or a fast full pot. The product listing claims up to two hours of heat retention under stated conditions, but that claim does not resolve the varying customer experiences.

Positive themes

Customers describe the maker as simple to use and easy to clean, and report favorable coffee taste.

Mixed feedback

Reports differ on whether coffee stays hot and how quickly a full pot brews.
Opinions on whether the machine is worth its price are divided.

Frequently asked questions

How much coffee does the 12-cup capacity represent?

The listing defines a cup as approximately 5 ounces, with the amount varying by brewing technique. A full pot is therefore not twelve standard-size mugs.

How long is the coffee claimed to stay hot?

The listing claims the four-layer vacuum-sealed carafe keeps coffee at 154°F or hotter for up to two hours. It recommends preheating the carafe with hot water for best results.

Can brewing be scheduled in advance?

Yes. The listing describes a 24-hour programmable auto-brew feature.

Does it support paper filters?

The listing says the removable brew basket is compatible with basket-style paper filters. It also lists a reusable filter.