BAES DBR Uralife V 3.2V Compatible Battery 111920

BAES BAES+DBR Uralife V — 3.2V LiFePO4 Replacement Battery (111920)

This is the 3.2V 600mAh LiFePO4 replacement cell for the BAES+DBR Uralife V emergency lighting unit. It fits directly into the Uralife V fitting and restores backup illumination capacity when the original cell has degraded. Voltage and chemistry match the factory specification at 3.2V, 600mAh (1.92Wh).

• Uralife V cell compatibility: The BAES+DBR Uralife V series uses a tightly specified 3.2V LiFePO4 cell with fixed physical dimensions of 53.00 × 14.50 × 14.30mm. LiFePO4 chemistry is required here — it matches the float charge voltage the Uralife V charge controller outputs and avoids overcharge damage that other lithium chemistries would risk in a continuously tethered fitting.
• Bench tested on actual hardware: We ran this cell through a full charge cycle and simulated mains-failure activation. The BMS held stable under load, and cell voltage sat within the expected float acceptance window after a full conditioning charge. No cutoff events or voltage anomalies were recorded.
• Post-installation test cycle: Within 24 hours of fitting, hold the test button for the full rated duration. This confirms the new cell accepts load and lets the charge controller register the new cell capacity before any scheduled compliance test is due.

Charge indicator staying red after new cell installation

A red or fault LED after fitting a new cell usually means the cell's resting voltage from storage sits outside the charge controller's float acceptance window. The Uralife V controller checks incoming cell voltage before switching to normal charge mode — if the cell arrived slightly discharged, the controller may hold a fault state rather than begin charging. Leave the fitting connected to mains for at least 12 hours. If the indicator does not clear, check cell voltage with a multimeter: a healthy LiFePO4 cell at rest should read above 2.8V before the controller will accept it.

Emergency light dims and drops out partway through duration test

A new cell that has not completed a full conditioning cycle will not deliver its rated 600mAh on first activation. The cell voltage drops faster under load than it will once fully cycled, causing the fitting to dim or cut off before the test period ends. This is not a fault with the cell — it is a first-cycle behaviour common to LiFePO4 cells that have sat in storage. Allow 24 hours on charge after installation before running or recording any compliance duration test.