Does the timer auto-start when I pour?

Yes — the auto-tare and auto-start timer detect when you begin pouring and start the timer automatically. It's very responsive.

How long does the USB-C battery last?

20+ hours of continuous use. It charges in about 2 hours via USB-C. No disposable batteries needed.

Accessory · Reviewed 2026-09-03

Timemore Black Mirror Basic 2 Review

Name: Timemore Black Mirror Basic 2
Brand: Timemore
Price: 49 GBP
Availability: InStock

4.6/5Best Budget Coffee Scale

The Timemore Black Mirror Basic 2 is the best budget coffee scale — fast response, built-in timer, USB-C rechargeable, and accurate to 0.1g. It punches way above its price point.

0.1g accuracy, built-in timer, USB-C rechargeable, and auto-tare — all for under £50.

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Current UK price

£49

Amazon UK Timemore (official)

Our verdict

0.1g accuracy, built-in timer, USB-C rechargeable, and auto-tare — all for under £50. It earns a 4.6/5 because, after measuring 20 ms and pushing it through our standard 40-shot protocol, it does what it claims — consistently and without drama. Best for: Home baristas who want a reliable scale with timer without paying Acaia prices.

Pros & cons

What we love

0.1g accuracy from 0.5g to 2kg
Built-in timer with auto-start on pour
USB-C rechargeable (no batteries needed)
Fast response time (20ms)
Auto-tare function

What could be better

Plastic body feels less premium than Acaia
No app connectivity or flow rate display
Timer can be accidentally triggered
Display is hard to read in bright sunlight

How it performed

Our measurements

Response time: 20 ms
Accuracy: ±0.1g verified
Battery life: 20+ hours
Price vs Acaia Pearl: 1/4 the cost

All measurements from our standard 40-shot test protocol. Full methodology on How We Test.

Specs at a glance

Accuracy: 0.1g (0.5g-2kg)
Timer: Built-in, auto-start
Power: USB-C rechargeable
Response time: 20ms
Dimensions: 130 x 130 x 28 mm

Who should buy it?

Buy the Timemore Black Mirror Basic 2 if home baristas who want a reliable scale with timer without paying acaia prices. Skip it if you need plastic body feels less premium than acaia.