Description
BST D-D4500BT*12 — 14.4V 12-Cell D-Size Rechargeable Battery Pack (40000030)
The BST D-D4500BT*12 is a high-capacity 14.4V rechargeable battery pack Tran-Bal assembled from twelve D-size cells (nominal 1.2V each). It’s built for emergency/exit lighting, industrial equipment, portable lighting, and instrumentation where a durable 12-cell pack is required. The “BT*12” designation indicates a 12-cell build using button-top/tab-ready cells for reliable interconnects.
This 14.4 Volt pack also can replace the Tran-Bal models: GP450DKTB12SMX GP450DKTB125MX GP450DKT8125MX GP450DKT812SMX 12KRDH 420994-000. BCN5500-12BWP-CE8981-3Pin3Wire, Custom-568, BGN5500-12BWP-1898EC-3 PIN
Key Features
- 14.4V output (12 cells in series) for systems designed around 12-cell strings
- D-size class cells for extended runtime
- Industrial assembly with welded tabs and insulated wrap
- Service-friendly leads/connector (match to your original harness)
Common Applications
- Emergency & exit lighting battery packs
- Portable/handheld lighting and beacons
- Instrumentation, test gear, and OEM assemblies
- Other equipment requiring a 14.4V 12-cell pack
Specifications
| Model / Ref | BST D-D4500BT*12 |
|---|---|
| Manufacturer Part | 40000030 |
| Nominal Voltage | 14.4V (12 × 1.2V) |
| Capacity (typ.) | D-cell |
| Chemistry | Ni-Cd |
| Cell Size | D-size cylindrical |
| Configuration | 12 cells in series (S12); heat-shrink wrapped |
| Terminations | Leads/connector per OEM build (confirm plug type and polarity) |
| Charging | Use charger compatible with pack chemistry/voltage |
| Operating Temp | Ni-Cd |
Fit & Identification
Because OEM labels can vary, compare the following with your old pack:
- Exact part number 40000030 and model D-D4500BT*12
- Chemistry (Ni-Cd) connector type, and lead length
- Physical layout (straight stick vs block), dimensions, and insulation
Not sure? Send us a photo of the old pack and connector—we’ll confirm a match or suggest an equivalent.
What’s Included
- (1) BST D-D4500BT*12 14.4V battery pack (as specified on this page)
Installation & Care
- Disconnect AC power and follow device safety procedures.
- Note original polarity and connector orientation before removal.
- Install the new pack; ensure the connector is fully seated and strain-relieved.
- Allow a full charge cycle per equipment manual before performing runtime tests.
Maintenance tip: For emergency lighting, test monthly and perform a full-duration test per code.
Shipping & Availability
Ships quickly from U.S. warehouses. For bulk orders, contractor pricing, or tax-exempt purchasing, contact .
FAQ
Is this a direct replacement?
If your original pack is labeled D-D4500BT*12 or part 40000030 and uses a 12-cell 14.4V assembly, this is the correct replacement—verify connector and chemistry.
Do you build custom leads or connectors?
Yes—send a photo or spec and we can quote matching leads/plug types.
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