---
url: "https://onebag.travel/compare/4qxz8xxgq5/mammut-lithium-30/tx18772ssr/deuter-aircontact-lite-4010/"
title: "Mammut Lithium 30 vs Deuter Aircontact Lite 40+10"
description: "Mammut Lithium 30 vs Deuter Aircontact Lite 40+10: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/4qxz8xxgq5/mammut-lithium-30/tx18772ssr/deuter-aircontact-lite-4010/"
---
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3.  Mammut Lithium 30 vs. Deuter Aircontact Lite 40+10

# Mammut Lithium 30 vs. Deuter Aircontact Lite 40+10

Two carry-on travel backpacks, compared spec for spec.

## [Mammut Lithium 30](https://onebag.travel/carryon/4qxz8xxgq5/mammut-lithium-30/)

by [Mammut](https://onebag.travel/carryons/?brands=Mammut)

![Front facing view of the Mammut Lithium 30](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990380/carryons/mammut-lithium-30-4qxz8xxgq5.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>0.9 kg</td></tr><tr><td>Dimensions</td><td>54×26×24 cm</td></tr><tr><td>Airline fit</td><td>40%</td></tr><tr><td>Price</td><td>$160</td></tr></tbody></table>

## Feature by feature

| Mammut Lithium 30 | Feature | Deuter Aircontact Lite 40+10 |
| --- | --- | --- |
| Storage |
| 5 | Compression | 5 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 2 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| Y | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100% Polyamide, Bluesign, PFC free, recycled</td><td>140D Polyester RIPSTOP</td></tr></tbody></table>

## [Deuter Aircontact Lite 40+10](https://onebag.travel/carryon/tx18772ssr/deuter-aircontact-lite-4010/)

by [Deuter](https://onebag.travel/carryons/?brands=Deuter)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>50 L</td></tr><tr><td>Weight</td><td>1.6 kg</td></tr><tr><td>Dimensions</td><td>53×31×25 cm</td></tr><tr><td>Airline fit</td><td>39%</td></tr><tr><td>Price</td><td>$215</td></tr></tbody></table>

## Key differences between the Mammut Lithium 30 and Deuter Aircontact Lite 40+10

-   **Sternum strap:** Removable on the Mammut Lithium 30; Yes on the Deuter Aircontact Lite 40+10.
-   **Main compartments:** 2 on the Mammut Lithium 30; 3 on the Deuter Aircontact Lite 40+10.
-   **Rain cover:** Yes on the Mammut Lithium 30; No on the Deuter Aircontact Lite 40+10.

Both have: compression straps, passport pocket, backpack straps, hip belt, water bottle pockets, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 2 accept only the Mammut Lithium 30, and 0 accept only the Deuter Aircontact Lite 40+10.

### Only the Mammut Lithium 30 fits

Aer Lingus, Great Lakes Airlines.

## Mammut Lithium 30 vs. Deuter Aircontact Lite 40+10: which should you pack?

The **Deuter Aircontact Lite 40+10** carries 20L more than the **Mammut Lithium 30** (30L vs. 50L), while the **Mammut Lithium 30** is the lighter pack at 0.9kg (vs. 1.6kg). For carry-on flexibility, the **Mammut Lithium 30** fits 40% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Aircontact Lite 40+10; if you want to travel lighter, the Mammut Lithium 30 is the better call.