Cases
Lobster Robotics

60% more battery life for underwater survey missions - without a bigger drone

/ Lobster Robotics

Lobster Robotics needed longer dives without a bigger hull. A high-density pack built on self-fused cells delivers 60% more battery life at the same size, and stays serviceable offshore.

/ Client

The project at a glance

    Challenge

    The power system sits inside a sealed hull that has to stay dry, and the drone itself could not get any bigger.

    Solution

    A high-density pack engineered to the existing envelope, built on self-fused cells and designed to stay serviceable offshore.

    Result

    Same size drone, 60% more battery life.

What did the client need

The Challenge

Lobster builds autonomous underwater drones — “pink torpedoes” — that glide above the seabed and turn it into detailed photographic maps. Underwater, power is the hard part: everything has to stay dry, endurance decides how much seabed you cover per dive, and the pack has to be serviceable offshore. More runtime normally means a bigger battery — and a bigger drone is exactly what they didn’t want.

What did the client need

The Solution

We worked with Lobster’s engineers from the first conversation: proposing cell options, going into the design details, and giving feedback until the pack fit their platform. The result is a compact, energy-dense pack built on self-fused cells that’s easy to maintain in the field — from a Dutch supplier that understands a high energy density sea system.


What did the client need

The Result

Same size battery
60% more battery life

~60% more battery life than their previous solution, with no real increase in drone size. Longer missions, more seabed per launch, easier servicing, and a battery partner in the same time zone.

It’s always great to have a local supplier that understands 
the challenges of creating a high energy dense sea system.

Arthur AdmiraalLead Electrical Engineer & Co-Founder, Lobster Robotics

Client info

About lobster robotics

Delft-based scale-up, spun out of TU Delft, building autonomous underwater drones that map the seabed in high resolution — used for offshore inspection, ecological monitoring and seabed security, and selected for NATO’s DIANA program.

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