A113DEFENSEA DIVISION OF A113 PARTNERS

Mission Power

Every capability draws from one budget

Autonomy, edge compute, counter-UAS, communications, and signature management all compete for the same finite electrical margin. A113 owns that budget and designs to it.

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BUS

Power is the ceiling on everything else

Generation is smaller than it looks.

A vehicle alternator's rated output is measured at high RPM. A stationary platform running mission systems is idling, often producing well under half that figure. The number that matters is spare capacity at idle, and it is frequently unknown until measured.

Every module competes.

Sensors, compute, radios, masts, and effectors all draw from the same margin. Added independently, they collide. Added to a managed budget, they coexist.

Thermal arrives before electrical.

Extended idle to sustain mission power creates a cooling problem before it creates a power problem. Both have to be designed together.

Engine running, and engine off

Generation

While the platform is running

  • Characterised alternator output across the RPM range, not just at rating
  • Measured baseline load from the platform's own systems, so spare capacity is a measured number rather than an assumption
  • High-idle and auxiliary generation strategies where the platform supports them
  • Conditioned distribution to mission loads with protection and isolation from vehicle-critical systems
  • Supplementary generation — solar or auxiliary power — integrated into the same budget rather than bolted alongside it

Silent watch

While the platform is off

  • Ruggedized energy storage sized to the mission profile rather than to available space
  • Engine-off operation of sensing, compute, and communications for a defined endurance
  • Low-voltage disconnect protecting the platform's starting capability
  • Hot-swap capability where the mission requires uninterrupted operation
  • Managed recharge on engine start without loading the charging system beyond its margin

One bus, not six wiring jobs

  1. 01

    Generation

    Alternator, supplementary sources, auxiliary power where fitted.

  2. 02

    Storage

    Ruggedized energy storage, NDAA and Section 889 compliant, US-manufactured cells and packs.

  3. 03

    Conditioning

    Regulated distribution, protection, isolation from vehicle-critical systems.

  4. 04

    Arbitration

    Priority-based allocation across mission modules, with load shedding under constraint.

  5. 05

    Mission loads

    Edge compute, autonomy sensing, communications and mast, counter-UAS, signature management.

Why this matters. Modules integrated independently each assume the margin is theirs. A managed bus makes the budget explicit, arbitrates it, and degrades predictably when it runs short — instead of failing in whichever order the wiring happened to allow.

The work

Characterise

Measure real generation and real baseline load on the actual platform. Rated figures and specification sheets are a starting point, not an answer.

Budget

Allocate the measured margin across mission modules with stated reserve. Where the budget does not close, say so and propose what has to change.

Integrate

Design conditioning, storage, protection, and thermal as one system rather than as separate installations.

Qualify

Validate under load, at temperature, and across the mission profile. Document the baseline so it can be sustained and re-qualified.

Storage selection

A113 does not manufacture cells. We specify, qualify, and integrate storage against the platform and the mission.

Selection criteria

  • NDAA and Section 889 compliant, US-manufactured
  • Chemistry matched to the thermal and duty environment rather than to catalogue availability
  • Ruggedized for the vibration, shock, and temperature profile of the platform
  • Battery management with monitoring and fault reporting to the mission bus
  • Serviceable in the field with defined spares and last-time-buy protection

Integration considerations

  • Packaging and mass allocation against centre-of-gravity limits
  • Placement, protection, and ventilation appropriate to an armoured platform
  • Charge management that respects the platform's existing charging capacity
  • Failure behaviour that never compromises the platform's ability to start and move
  • Supplier-agnostic by design — storage can be re-sourced without re-qualifying the platform

We are not locked to a supplier and neither is the customer.

Where it matters most

Silent watch

Persistent sensing and communications with the engine off and no thermal or acoustic signature.

Autonomy

Sensing and compute loads that must be available continuously and cannot brown out mid-manoeuvre.

Counter-UAS

Detection that has to be running before it is needed, not started on warning.

Expeditionary sites

Power for compute and communications where no infrastructure exists.

Contested logistics

Reduced fuel dependency and reduced resupply exposure.

Retrofit

Adding mission capability to a fielded platform whose electrical budget was never sized for it.

How to start

Power assessment

Measured characterisation of generation and baseline load on your platform, producing a documented electrical budget and a stated margin. Fixed price.

Integration design

Conditioning, storage, protection, and thermal design against the measured budget, delivered as a qualified configuration.

Full mission kit

Mission power integrated with the other module classes under one interface standard.

See capabilities

Frequently asked

No. We specify, qualify, and integrate storage against the platform and the mission. We are supplier-agnostic and the customer is not locked in.

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This page describes a general capability. Technical characteristics are platform-specific and subject to measurement. Not an offer to sell defense articles or services; all engagements are subject to export classification review.