High Voltage Systems (up to 1000V)
Engineering expertise in low-voltage and high-voltage battery stack configurations up to 1000V DC, designed with robust insulation, safety disconnects, and redundant isolation monitoring.
Altertek provides full-service custom lithium-ion battery pack design, prototyping, and assembly. Operating from our state-of-the-art UK laboratory facility, our specialized engineering team manufactures bespoke energy storage solutions ranging from single-cell modules up to complex 1000V high-voltage systems featuring redundant BMS architecture and integrated CAN bus communications.
With over 15 years of industry experience, Altertek partners with tier-1 OEMs, blue-chip enterprises, and innovative engineering firms across motorsport, marine, subsea, defense, aerospace, and robotics sectors globally. We source only top-tier A-grade Li-ion cells (LFP, NMC, LTO) from globally validated manufacturers to ensure maximum energy density, exceptional cycle life, and absolute operational reliability.
Our UK laboratory is equipped with precision machinery and diagnostic instrumentation to meet the most stringent international quality standards.
Engineering expertise in low-voltage and high-voltage battery stack configurations up to 1000V DC, designed with robust insulation, safety disconnects, and redundant isolation monitoring.
Seamless integration of custom alterVU BMS platforms providing cell-level voltage monitoring, passive/active balancing, state-of-charge calculation, and active thermal management control.
Automated micro-resistance spot welding and laser joinery for cylindrical, pouch, and prismatic cells, guaranteeing minimal thermal stress and superior low-resistance interconnects.
Comprehensive End-Of-Line (EOL) testing protocols including capacity verification, internal resistance screening, thermal imaging, pulse discharge profiling, and full serial data logging.
Flexible manufacturing lines capable of rapid prototyping and NPI (New Product Introduction) through to small and medium volume production runs with fast turnarounds.
Strict quality system processes with full traceability. Designed to comply with UN38.3 transport safety standards, IEC 62619, ISO 26262, and relevant international regulatory codes.
Located near Southampton, UK, Altertek's modern assembly clean-lab provides overseas procurement managers and engineering clients with an audited, highly secure, and transparent production environment.
Our facility houses programmable load banks, multi-channel automated cell cyclers, climatic test chambers, micro-ohm meters, and specialized safety containment systems. Every battery module built by our certified assembly technicians undergoes multi-stage inspections to eliminate defects and ensure seamless plug-and-play field integration.
Our custom lithium-ion battery assemblies power mission-critical equipment operating in harsh terrestrial, marine, subsea, and aerial environments worldwide.
Watertight battery pressure pods and propulsion power systems designed for underwater remotely operated vehicles (ROVs) and subsea applications.
High-power density traction packs for specialized electric vehicles, commercial fleets, hypercars, and Formula Student electric race cars.
Fast-charging, long-cycle LFP/LTO battery systems engineered for autonomous mobile robots, automated warehouse AGVs, and industrial drones.
Scalable grid energy storage systems, backup power modules, and renewable micro-grid storage assemblies built for continuous heavy-duty cycles.
Partner with Altertek's senior battery engineering team for your next energy storage program. Download our technical capabilities brochure or request a direct engineering consultation for your OEM project.
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