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Rectangular sealed lead-acid battery pack, 72 V DC, hot-swappable design

MINUTEMAN

MINUTEMAN BP72V24RTEXL 72 V DC UPS replacement battery

SKU CH-KTZE-GND7G MPN BP72V24RTEXL

External 72 V DC lead-acid battery pack, maintenance-free and hot-swappable with a 10 hour recharge time

  • Cost-efficient power per watt-hour for critical loads
  • Extended battery life protects connected equipment
  • Hot-swappable design enables replacement without downtime
  • Maintenance-free sealed construction allows any mounting orientation
  • 10-hour recharge restores full capacity quickly

72 V DC external battery pack

The Minuteman BP72V24RTEXL is a 72 V DC lead-acid battery pack built for UPS systems that require extended runtime. It serves IT managers and facility engineers who need reliable backup power for critical loads. The sealed, valve-regulated design allows mounting in any orientation and safe operation near personnel. This unit is not for buyers who need a different voltage platform or a chemistry other than lead acid.

Thermals noise and power draw

The maintenance-free sealed construction eliminates electrolyte handling and reduces off-gassing during normal float charge. No active cooling fans are present, so the pack adds no audible noise to the rack or server room. Recharge from deep discharge completes in 10 hours, returning the string to full capacity without special conditioning cycles. The 240 V DC string configuration distributes current evenly across cells for stable thermal behaviour.

Hot-swappable design and spare utility

Hot-swap capability lets technicians replace the pack without powering down connected equipment, cutting planned maintenance windows. The unit functions as a convenient 240 V DC spare, giving operations teams peace of mind during extended outage scenarios. First listed by the manufacturer on 21 November 2025, it carries current production date codes and standard lead-acid shelf-life expectations. No additional software or management accessories are bundled with the pack.

Highlights

  • Cost-efficient power per watt-hour for critical loads
  • Extended battery life protects connected equipment
  • Hot-swappable design enables replacement without downtime
  • Maintenance-free sealed construction allows any mounting orientation
  • 10-hour recharge restores full capacity quickly

Specifications

BrandMinuteman
ModelBP72V24RTEXL
Part NumberBP72V24RTEXL
Shipping weight64.86 kg
Package size909 × 559 × 272 mm

Questions about this item

How is the external battery pack installed and what step is often missed?

The BP72V24RTEXL is hot-swappable so it can be connected to a compatible UPS without powering down the load; the step often missed is verifying the UPS recognises the new pack before returning to full load.

What maintenance or replacement will the 72 V DC lead-acid pack need later?

The sealed valve-regulated cells are maintenance-free and spill-proof, so no watering or terminal cleaning is required; plan to replace the entire pack when runtime no longer supports the critical load.

What limit appears first during sustained use of the 240 V DC battery pack?

The 10 hour recharge time is the first constraint; after a full discharge the pack cannot support another extended outage until the recharge cycle completes.

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