Above 100V the battery is a system: cells, BMS, contactor, fuse and enclosure all have to be specified together.
Voltage architecture and system design
Decide the DC bus first — 100V, 200V or higher — then the module count that reaches it with the fewest compromises.
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Safety, isolation and certification
High voltage brings isolation, pre-charge and certification into scope; these are design inputs, not afterthoughts.
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Industrial applications and duty cycles
Telecom, AGV, floor machines and aerial lifts each impose a different duty cycle on the same cells.
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High-voltage battery questions
The questions that come before an order.
What counts as a high-voltage battery?
In this industry, anything above roughly 100V DC. Telecom and rack systems sit at 48V; industrial traction, UPS and containerised storage step up beyond that, where isolation and pre-charge become design inputs.
Who designs the BMS for a high-voltage pack?
Either we do, against your specification, or we integrate a BMS you nominate. What matters is that one party owns the cell, the BMS and the enclosure together — split responsibility is where high-voltage projects stall.
Is a high-voltage pack more dangerous than 48V?
The energy is the same, the hazard is different: above 100V you plan for isolation, contactor sequencing and certified enclosures rather than treating it as a large low-voltage battery.
Can you supply the charger too?
Yes. Matching the charger to the BMS protocol and the site power quality is part of the specification.
What certification can you provide?
UN 38.3 for transport, IEC 62619 for industrial cells and CE documentation are standard; UL and site-specific standards on request.
Send the system details
Tell us the inverter, the backup window and the site conditions, and we will confirm the pack and the wiring.
