Description
40000020 Battery Tran-Bal Replacement
Tran-Bal 40000020 3.6V 4000mAH NICAD (BCN5500-3-DWP-CE8981)
Tran-Bal 40000020 — 3.6 V 4000 mAh Ni-Cd Rechargeable Battery Pack
The Tran-Bal 40000020 battery is a high-reliability 3.6 V Ni-Cd (D-cell × 3) pack designed for industrial, instrumentation, and emergency applications. It delivers long-life, stable voltage power under repetitive charge/discharge cycles and wide temperature extremes.
Key Features
- 3.6 V nominal output (3 Ni-Cd cells in series)
- 4000 mAh capacity for extended runtime now 5000
- Durable D-cell construction for rugged environments
- Rebuild compatible with OEM Tran-Bal 40000020 assemblies
- Custom connector options (JST, Molex, spade, or flying leads)
Common Applications
- Flow meters and ultrasonic meters
- Industrial instrumentation / data loggers
- Emergency lighting and exit sign packs
- Portable measurement and test equipment
Specifications
| Model / Part Number | Tran-Bal 40000020 |
|---|---|
| Nominal Voltage | 3.6 V (3 × 1.2 V cells in series) |
| Capacity (Typ.) | 4000 mAh (4 Ah) |
| Chemistry | Nickel-Cadmium (Ni-Cd) |
| Cell Size | D-size cylindrical cells |
| Configuration | 3S inline pack (stick style) |
| Dimensions (approx.) | 7.3″ L × 1.3″ Dia. |
| Weight | ≈ 11–12 oz (0.7 lb) |
| Terminations | Leads or plug per OEM spec |
| Operating Temp Range | −20 °C to +50 °C |
| Charging | Use Ni-Cd-compatible charger (0.1 C rate typical) |
Installation & Maintenance
- Disconnect power and note connector polarity.
- Install new pack with matching connector type and orientation.
- Allow a full charge cycle before operation.
- Perform periodic conditioning to maximize Ni-Cd life.
What’s Included
- (1) Tran-Bal 40000020 3.6 V 4000 mAh Ni-Cd battery pack
Shipping & Availability
Ships from U.S. warehouses within 1 business day. Bulk and OEM rebuilder pricing available from BatteryPlex.
FAQ
Is this a rechargeable battery?
Yes — it’s a Ni-Cd rechargeable pack rated for hundreds of charge/discharge cycles.
Can I use Ni-MH instead of Ni-Cd?
Only if your device’s charger supports Ni-MH; otherwise use Ni-Cd to match the original chemistry.
Can you build custom packs?
Yes — we can assemble Ni-Cd or Ni-MH packs with the exact connector and lead length you specify.
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