Acaia Lunar Espresso Scale

The Acaia Lunar is a professional-grade espresso scale built for baristas and home enthusiasts who refuse to compromise on accuracy. Water-resistant anodised aluminium, a sub-1-second stabilisation time, and Acaia's industry-leading weighing technology - all in a footprint compact enough to sit on virtually any drip tray.

Fast, Responsive, and Built for Espresso

The Lunar 2021 delivers real-time feedback and measurements down to 0.01 g, so whether you're dialling in a single shot or running a high-volume café workflow, every extraction is consistent and repeatable.

Real-Time Flow-Rate Indicator

Monitor your espresso extraction as it happens. The built-in LED indicator helps you spot subtle changes in flow and fine-tune your technique shot by shot.

Customisable Espresso Modes

Choose from multiple auto-start modes and use the Tare Save function to store the weight of your preferred dosing container — perfect for building a fast, repeatable workflow.

USB-C Charging & Long Battery Life

30–40 hours of battery life with USB-C PD support. For home use, most people charge it once every few weeks.

Key Specifications at a Glance

• Readability: 0.01 g — for ultra-precise espresso dosing
• Bluetooth 4.0 — app integration and firmware updates via the free Acaia app
• Water-resistant anodised aluminium build
• Bright 8-digit LED display — easy to read in any lighting

Who Is the Acaia Lunar For?

The Lunar is the go-to espresso scale for home baristas and café professionals who want competition-level precision without slowing down their workflow. Its compact 105 × 105 mm footprint fits on virtually any espresso machine drip tray — from a Sage Bambino to a La Marzocco Linea Mini.

If you're stepping up from a basic kitchen scale or replacing an older coffee scale, the Lunar sets a new benchmark for what's possible at home. Pair it with our espresso brew guide to get the most out of it from day one.

Not sure whether the Lunar or the Acaia Pearl is right for you? The Lunar is optimised for espresso — drip-tray footprint, flow-rate indicator, speed. The Pearl is better suited to filter and pour-over brewing. For most espresso setups, the Lunar is the clear choice. Browse the full Acaia range to compare.

What's in the Box

• Acaia Lunar 2021 Scale (Black)
• USB Type-C Charging Cable
• 100 g Calibration Weight
• Heat-Resistant Pad
• Quick Start Guide

Optional Accessories (Sold Separately)

• Lunar Weighing Plate

Looking for other precision brewing tools? Browse all coffee scales or earn Ozone Rewards points on this purchase.

Technical Specifications

Model	AL008
Product Weight	265 g ± 5 g
Product Dimensions	W: 105 mm L: 105 mm H: 15 mm
Maximum Capacity	2000 g / 70.55 oz
Minimum Weight	0.1 g
Measuring Units	g / oz
Readability	0.1 g / 0.01 g
Repeatability	0.1 g
Linearity	1 d
Indication Limit	2060 g / 72.66 oz
Power Supply	5 V / 500 mA
Battery	Lithium-ion rechargeable 3.7 V 1100 mAh
Battery Life	30-40 hours
Display	8-digit LED
Material	Aluminum, Acrylic
Surface	Anodized Aluminum Coating
Connectivity	Bluetooth 4.0
Warranty	2 Years

 

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Frequently asked questions

Is the Acaia Lunar worth it?

For anyone serious about espresso, yes. The Lunar's 0.01g precision and real-time flow rate indicator give you a level of control over your extraction that simply isn't possible with a standard kitchen scale. It's an investment that pays back in consistently better shots and fewer wasted pucks.

What is the difference between the Acaia Lunar and the Acaia Pearl?

The Lunar (105 × 105 mm) is designed specifically for espresso — compact enough to sit on an espresso machine drip tray, with a flow rate indicator for real-time extraction monitoring. The Pearl is larger and better suited to filter brewing and pour-over methods. If your primary method is espresso, the Lunar is the clear choice.

Does the Acaia Lunar fit on my espresso machine?

In most cases, yes. The Lunar is compatible with machines from La Marzocco, Sage (Breville), Rocket, ECM, Profitec, Lelit, and the vast majority of other home and commercial espresso equipment. Its 15 mm low-profile design ensures it clears the portafilter on standard drip trays.

How do I connect the Acaia Lunar to my phone?

Download the free Acaia app (available for iOS and Android), then hold the timer button to activate Bluetooth pairing mode on the scale. The app unlocks additional espresso modes, lets you log shot data over time, and delivers firmware updates to keep your scale performing at its best.

How do I charge the Acaia Lunar, and how long does the battery last?

The 2021 Lunar charges via USB-C — the cable is included in the box. A full charge provides 30–40 hours of battery life, so for home use you'll typically only need to charge it every few weeks.

Is the Acaia Lunar water resistant?

Yes. The Lunar is built with water-resistant anodised aluminium, designed to handle the splashes and steam typical in an espresso environment. It is splash-resistant but not fully waterproof — avoid submerging it or leaving it in standing water.