We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
Single sealed lead-acid battery with T2 terminals

RefurbUPS

RefurbUPS B&B BP4.5-6 T2 UPS Replacement Battery

SKU CH-EENH-AVSBX

A 6 V 4.5 Ah sealed lead-acid battery with T2 terminals for UPS replacement

  • TypeKit/Package
  • Weight3
  • High-rate discharge design delivers reliable UPS backup power
  • 6 V 4.5 Ah sealed lead-acid chemistry ensures stable voltage
  • T2/F2 terminals provide direct drop-in compatibility
  • Factory-fresh cells guarantee consistent performance from day one
  • Comprehensive installation guide simplifies battery replacement process

Product Identity

The RefurbUPS B&B BP4.5-6 T2 is a compatible replacement battery cartridge designed for uninterruptible power supply units requiring a 6V 4.5A sealed lead-acid cell. It serves IT administrators and home-office users who need a factory-fresh unit to restore backup runtime on existing UPS hardware. The kit includes a single high-rate discharge battery with T2/F2 terminals and printed installation instructions. Buyers needing higher-capacity cells or different terminal layouts should verify specifications before ordering.

Thermals Noise and Power Draw

The sealed lead-acid chemistry operates silently with no moving parts, so acoustic output is negligible in normal office or rack environments. Self-discharge is low when the UPS is on mains power, keeping the cell ready without measurable heat buildup under float-charge conditions. No active cooling is required and the unit adds no fan noise to the installation. Power draw during standby charging follows the UPS charger profile rather than imposing a fixed load.

Sustained Load Behaviour

Under extended discharge the high-rate design delivers the rated 4.5A capacity while maintaining stable voltage for the duration specified by the UPS manufacturer. Voltage sag remains consistent with sealed lead-acid characteristics and recovery after deep discharge follows standard recharge curves when mains power returns. The cartridge is built for repeated cycle reliability in typical backup scenarios rather than continuous deep-cycling applications. Installers should follow the included instructions to ensure correct terminal orientation and torque.

Highlights

  • High-rate discharge design delivers reliable UPS backup power
  • 6 V 4.5 Ah sealed lead-acid chemistry ensures stable voltage
  • T2/F2 terminals provide direct drop-in compatibility
  • Factory-fresh cells guarantee consistent performance from day one
  • Comprehensive installation guide simplifies battery replacement process

Specifications

BrandB & B Battery
SeriesB & B Battery
TypeKit/Package
Weight3

Questions about this item

How do I install the B&B BP4.5-6 T2 battery and which step is often missed?

Disconnect the UPS from mains power, remove the old cartridge, connect the red lead to the positive T2 terminal and the black lead to the negative T2 terminal, then secure the battery in the compartment; the step most often missed is verifying the terminal polarity before tightening the connectors.

What maintenance will this 6 V 4.5 Ah SLA battery need later?

Keep the unit in a cool, dry environment, recharge it at least every six months if stored unused, and inspect the T2 terminals for corrosion during routine UPS self-tests.

What limit appears first during a long power outage with this 4.5 Ah pack?

The finite 4.5 ampere-hour capacity determines runtime; once the stored energy is depleted the UPS will shut down, so the capacity limit is reached before any thermal or cycle-life constraint.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.