TIMEMORE Burr Coffee Grinder, Portable Electric Grinder with Metal Body, 30 Precise Settings for Espresso to French Press, Low Noise Design, Auto Stop & Clog Protection for Home & Outdoor Use (Black)

The TIMEMORE Whirly 01S is a portable electric burr coffee grinder built with a metal body and designed for brewers who want motorized grinding away from a standard kitchen counter. Hand grinding can become tedious when preparing several cups, while full-sized countertop electric units lack mobility. This model bridges that gap with a compact 760-gram frame, cordless battery operation, and thirty grind adjustments ranging from fine espresso to coarse French press.

At the center of the grinder is a set of patented S2C-420-EI stainless steel octagonal burrs paired with 0.025 mm step adjustments. The burr geometry is tailored to deliver sweetness, rich crema, and balanced extraction, particularly when working with medium to dark roasts. The adjustment mechanism provides thirty distinct stops, giving you the flexibility to move between fine espresso doses and coarser filter methods like pour-over or French press without needing separate tools.

Daily operation relies on several practical mechanical features. The patented twist-up swivel hopper clicks into place to create an airtight seal, preventing beans from jumping out of the chamber while grinding. A guided entry well directs beans into the hopper, and the catch cup collects up to 50 grams of ground coffee. Power comes from a tandem 1000 mAh battery pack that recharges in three hours and supplies enough energy for twenty 20-gram espresso doses or thirty-five 15-gram pour-over brews. Built-in heat isolation blocks internal motor warmth from heating the fresh coffee, while an intelligent auto shut-off stops the motor if it detects an obstruction, preventing overheating and unnecessary battery drain.

While the hopper accommodates up to 50 grams for standard brewing, the manufacturer notes that capacity should be limited to 30 grams when grinding dense light roasts or fine espresso. At 760 grams, the metal housing provides rugged durability but adds tangible weight compared to minimalist plastic hand mills. In addition, while a dedicated deep-clean brush is included for maintenance without disassembly, the listing does not specify whether the burr assembly can be taken apart if deep residue accumulates over time.

Verdict: The TIMEMORE Whirly 01S is a solid choice for coffee drinkers who want cordless, push-button grinding across multiple brewing methods without sacrificing burr quality. It is especially well matched for espresso and medium-to-dark roast enthusiasts who value quiet operation, clog protection, and reliable battery capacity at home or on trips.

• Brand: TIMEMORE
• Model: Whirly 01S
• Burr Type: Patented S2C-420-EI stainless steel octagonal burrs
• Grind Settings: 30 precision settings (0.025 mm adjustments)
• Grind Range: Espresso to French press
• Bean Capacity: 50g total (30g recommended for light roasts or espresso)
• Catch Cup Capacity: Up to 50g
• Battery: Tandem 1000 mAh battery pack
• Charging Time: 3 hours
• Battery Life: Up to 20 espresso shots (20g) or 35 pour-over servings (15g)
• Body Material: Metal
• Weight: 760 grams
• Color: Black
• Included Accessories: Deep-clean brush

A great fit if you:

• Brew espresso, pour-over, or French press and want motorized grinding without being tethered to a wall outlet.
• Prefer medium to dark roasts and want a burr set shaped to emphasize sweetness, rich crema, and balanced extraction.
• Need a portable grinder for travel or outdoor brewing that delivers multiple back-to-back grinds on a single battery charge.
• Value safety features like automatic shut-off to protect your equipment from jams, motor overheating, and battery drain.

Consider something else if you:

• Routinely grind light roasts in single batches larger than 30 grams without refilling the hopper.
• Require an ultralight travel grinder that weighs significantly less than this 760-gram metal unit.

Confirm on the listing:

• Check whether a charging cable or wall plug is bundled in the package alongside the grinder and brush.
• Check the exact physical dimensions to ensure the grinder fits inside your travel bag or designated kitchen drawer.
• Confirm your typical single-dose requirements against the 30-gram limit recommended for light roasts and espresso beans.
• Review any included documentation regarding battery maintenance and recommended storage conditions.

How to compare your options: When evaluating cordless burr grinders, pay close attention to burr geometry, battery endurance, and motor protection. This model features stainless steel octagonal burrs with 0.025 mm micro-steps, which provide substantially more precision than coarse-stepping travel grinders. Its 1000 mAh tandem battery and auto shut-off function also offer reassurance against motor burnouts during tough grinding tasks.

• Always listen for the audible click when twisting the hopper into place to ensure the airtight seal is locked before starting the motor.
• Respect the 30-gram bean limit when grinding light roasts or dialing in espresso to maintain smooth burr operation and avoid triggering the clog shut-off.
• Use the included deep-clean brush after daily grinding sessions to sweep leftover grounds out of the chamber in seconds without needing disassembly.
• Recharge the tandem 1000 mAh battery fully before heading outdoors or preparing multiple consecutive servings for guests.
• Allow the unit to rest between intense back-to-back grinding sessions so the heat-isolation system keeps motor warmth away from your grounds.

How long does the battery take to charge, and how long does it last?
The tandem 1000 mAh battery pack reaches a full charge in three hours. On a single charge, it can grind up to 20 espresso shots (20 grams each) or up to 35 pour-over servings (15 grams each).

What is the bean capacity of the grinder?
The hopper and catch cup hold up to 50 grams of coffee beans. However, the manufacturer recommends limiting doses to 30 grams when grinding light roasts or fine espresso.

What type of burrs does the Whirly grinder use?
It uses patented TIMEMORE S2C-420-EI stainless steel octagonal burrs with 30 precision grind settings and 0.025 mm adjustments.

How do you clean the grinder?
Maintenance takes about 10 seconds using the included deep-clean brush, which cleans the grinding area directly without requiring any disassembly.

What happens if a coffee bean jams the grinder?
The grinder has an intelligent auto shut-off function that stops the motor when an obstruction is detected, protecting the unit from clogs and overheating.