UltraMax Batteries

UltraMax Batteries UK's largest distributor & manufacturer of LiFePO4 (Lithium) batteries since 2010.

Define the full operating envelope first.Set thermal, vibration and ingress requirements at the specification stage, not...
10/08/2026

Define the full operating envelope first.

Set thermal, vibration and ingress requirements at the specification stage, not after the pack is designed.

If those limits come late, the enclosure, cell layout, sealing strategy and mounting approach all get compromised. Integration problems start there.

Build the battery around the application, the environment and the duty cycle.

Specify early

How do you cut OEM battery risk?Map the load, not just the pack. Size around continuous current, voltage drop, thermal l...
10/08/2026

How do you cut OEM battery risk?

Map the load, not just the pack. Size around continuous current, voltage drop, thermal limits and BMS behaviour across every market variant. Most battery issues are system design issues.

https://ultramax.co.uk/

Need less integration friction?Custom geometry is often the difference between a battery pack that fits the enclosure cl...
09/08/2026

Need less integration friction?

Custom geometry is often the difference between a battery pack that fits the enclosure cleanly and one that forces redesigns across the whole system.

In compact equipment, millimetres matter. Terminal placement, height, footprint and cable exit points all affect assembly time, enclosure clearance and service access.

That is why OEM battery design should start with the application, not a standard case size.

Specify the geometry around the product.

https://ultramax.co.uk/

Thermal headroom belongs in the first specification draft, not the test phase.By then, the specification is already lock...
08/08/2026

Thermal headroom belongs in the first specification draft, not the test phase.

By then, the specification is already locked. The pack, enclosure and duty cycle must be designed around worst-case heat from day one, or redesign costs arrive late.

Compact mobility platforms need battery geometry built around the chassis.Shorter cable runs. Better mass distribution. ...
08/08/2026

Compact mobility platforms need battery geometry built around the chassis.

Shorter cable runs. Better mass distribution. Cleaner OEM integration.

Custom LiFePO4 packs are specified to the platform.

https://ultramax.co.uk/

Procurement teams often bundle capacity targets and duty cycle into one spec. That leads to poor battery selection.Split...
08/08/2026

Procurement teams often bundle capacity targets and duty cycle into one spec. That leads to poor battery selection.

Split them.

Capacity sets energy need. Duty cycle sets how often, how deep, and how long the pack works.

Clearer OEM specs.

https://ultramax.co.uk/

Marine and automotive vibration changes battery architecture.Cells need stronger support. Interconnects need fatigue res...
08/08/2026

Marine and automotive vibration changes battery architecture.

Cells need stronger support. Interconnects need fatigue resistance. BMS placement matters. Enclosures must control movement.

That is how packs survive real duty, not bench tests.

https://ultramax.co.uk/

DM us if you're comparing battery quotes on capacity alone.Procurement teams miss the real cost drivers: continuous disc...
07/08/2026

DM us if you're comparing battery quotes on capacity alone.

Procurement teams miss the real cost drivers: continuous discharge, thermal headroom, BMS limits, voltage sag, and cycle life. Capacity is only one line on the datasheet.

Lock in ingress rating before enclosure design starts.It shapes sealing strategy, connector choice, venting, cable exits...
07/08/2026

Lock in ingress rating before enclosure design starts.

It shapes sealing strategy, connector choice, venting, cable exits and pack behaviour in the final application.

If the rating comes later, the enclosure often gets redesigned around the battery instead of the environment.

https://ultramax.co.uk/

DM us if your LiFePO4 pack is losing life faster than it should.A poor charge profile does more than slow charging. It i...
06/08/2026

DM us if your LiFePO4 pack is losing life faster than it should.

A poor charge profile does more than slow charging. It increases stress, drives avoidable heat, and shortens usable battery life in commercial equipment.

In OEM systems, the charger profile has to match the chemistry, the duty cycle, and the real operating window. Get that wrong, and the battery ages early even when the rest of the system looks fine.

DM us

Address

Watkins House, Pegamoid Road
London
N182NG

Opening Hours

Monday 9am - 5:15pm
Wednesday 9am - 5:15pm
Thursday 9am - 5:15pm
Friday 9am - 5:15pm

Telephone

+447973358548

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