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Custom Battery Packs

Engineered for Your Application

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From lithium to nickel-based chemistries, we design and manufacture battery solutions tailored to OEM requirements.​​

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Multi-chemistry expertise (Li-ion, LiPo, LiFePO4 & NiMH)

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UK-based assembly & rapid prototyping

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Built for performance, safety & integration

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A Trusted Engineering Partner

We work as an extension of your team to deliver reliable, application-specific battery solutions.

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50+ years of battery expertise

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ISO 9001 certified processes

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UK-based engineering support

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Proven in demanding environments

From Concept to Production

A clear, engineering-led process from initial brief through design, prototyping, and into full production.​

We support you at every stage with:

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  • End-to-end project support

  • Engineering-led development

  • Rapid prototyping capability

  • Scalable production readiness

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1. Consultation

Understanding your application and requirements

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2. Design

Developing the right battery solution

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3. Prototype

Building and refining for testing

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4. Production

Reliable manufacture and ongoing supply

Reliable industrial battery manufacturer

Over 50 Years' Experience

Our commitment to continuous improvement has allowed us to broaden our services to include a range of battery technologies and expand our warehouse with cutting-edge machinery.

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UK-based support for industrial power solutions

UK-Based Support

Our team of in-house technicians and specialised customer service representatives are available Monday -Friday, 9am - 4pm to provide technical support and assist with any inquiries related to your order.

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High-quality battery assembly for industrial applications

Quality Guaranteed

Our packs are assembled using cells from reputable manufacturers. Our strict production procedures ensure that each pack is of the highest quality and perfectly suited to your application.

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Why choose Overlander?

Battery Solutions for Demanding Applications

Every application has different requirements. We design battery systems to match.

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Robotics & Automation

High-performance battery systems for continuous, demanding operation.

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UAV & Aerospace

Lightweight, high energy density solutions for flight-critical applications.

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Medical Devices

Compact, reliable power for safety-critical and regulated environments.

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Defence Applications & Security

Rugged, dependable systems designed for mission-critical use.

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Industrial Systems & Off-Grid Power

Robust battery solutions for harsh environments and remote operation.

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Remote Monitoring & IoT Systems

Long-life, low-maintenance power for connected and remote devices.

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