Custom Lithium-Ion Battery & BMS Specialists

Engineering high-performance battery systems for marine, automotive, robotics, and grid storage applications worldwide.

15+ Years of Experience
ISO 9001:2015 Certified
100% UK Design & Manufacturing
Global OEM Supply Capability
Altertek Low Voltage Lithium-Ion Battery Management System

Lithium-Ion Battery Management Systems

Altertek's BMS solutions are engineered in the UK for precision cell monitoring, protection, and balancing across all lithium-ion chemistry types. Fully configurable via our free AlterVU software, they are trusted by OEMs in demanding industrial and commercial environments.

  • Compatible with all Li-Ion chemistry types — LFP, NMC & LTO
  • UK designed, manufactured and fully supported
  • Freely configurable via AlterVU BMS configuration software
  • Modular expansion ports for scalable feature integration
Explore BMS Products

AlterVU BMS Configuration Software

The most advanced BMS configuration platform available — free to use with no license fees. Configure hundreds of parameters, monitor real-time battery data, and streamline verification and fault diagnostics from a single intuitive interface.

  • Completely free — zero license or subscription fees
  • Configure hundreds of BMS parameters in real time
  • Live battery data monitoring for diagnostics and verification
Learn About AlterVU
AlterVU BMS Configuration Software Interface
Custom Lithium-Ion Battery Pack designed and manufactured by Altertek

Custom Lithium-Ion Battery Design & Assembly

From initial concept to certified production, Altertek delivers end-to-end custom lithium-ion battery solutions. Our engineering team works across all chemistries and voltage ranges to meet the most demanding application requirements globally.

LFP — Lithium Iron Phosphate NMC — Nickel Manganese Cobalt LTO — Lithium Titanate Oxide
  • Low & high voltage custom battery pack design
  • In-house testing and quality validation
  • Applications: Grid Storage, EV, Robotics, Drones, Marine & Submarines
Discover Battery Design Services

Specialist Battery Engineering Services

From custom BMS design to vehicle energy storage reconditioning, our expert team delivers tailored solutions for complex battery applications.

Custom BMS Design

Bespoke battery management systems engineered to your exact specifications — from cell-level monitoring to full system integration.

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Vehicle ESS Conditioning

Professional energy storage system reconditioning to restore capacity, extend service life, and maximise performance of vehicle battery packs.

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Li-Ion Battery Pack Assembly

Precision assembly of custom lithium-ion battery packs in our UK facility, with rigorous in-house testing and full quality documentation.

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Why Global OEMs Choose Altertek

Our combination of certified quality, in-house expertise, and direct engineering support makes us the preferred partner for mission-critical battery systems.

UK Design & Manufacturing

All engineering, design, and manufacturing is performed in the UK. Your intellectual property is protected, and expert support is always a call away.

Direct Engineering Support

Speak directly with the engineers who designed your system. No call centres — just expert, responsive technical support from day one.

ISO9001:2015 Certified

Our processes are fully audited and certified to ISO9001:2015, giving you complete confidence in the quality and consistency of every deliverable.

Our Engineering Portfolio

Proven performance across demanding real-world applications — from submarine energy systems to autonomous warehouse robotics.

Submarine — Rechargeable Energy Storage System

Wave Energy Turbine Generator & Control System

Parallel Torque Assist System

Automated Warehouse Robot — Battery Management System

News & Industry Insights

Stay informed with the latest developments from Altertek and the wider battery technology industry.

Unusual Drag Race Helps Drive Electric Vehicle Transition

Industry News

Altertek Delivers 1-Tonne Lithium-Ion Submarine Battery System

Company News

Altertek Achieves ISO9001:2015 Certification for Li-Ion Battery Design

Company News

Altertek Launches Redesigned Website & Online Product Catalogue

Company News

Got a Project We Can Help With?

Talk to our battery engineering team today. We work with OEMs and integrators worldwide to deliver proven lithium-ion solutions.