PowerWarehouse APCRBC133-PW UPS replacement battery
A sealed lead-acid UPS replacement cartridge compatible with multiple APC Smart-UPS models including SMC2000I and SMT1500 series
- Measurements13.5 in L × 8.5 in W × 3.25 in H
- Compatible withSMC2000I-2U, SMC2000I-2URS, SMT1500R2-NMC, SMT1500R2I-6 W, S
- Product weight26.8 lb (12.2 kg)
- Ready backup power with sealed lead-acid cells
- Fits APC Smart-UPS models including SMT1500RM2U and SMC2000I-2U
- Replaces OEM cartridges RBC133 and Battery Cartridge #133
- Leak-proof construction keeps equipment safe during operation
- Eighteen-month warranty backs long-term reliability
Direct replacement for Battery Cartridge 133
The PowerWarehouse APCRBC133-PW is a sealed lead-acid unit built to replace APC Battery Cartridge #133 in compatible Smart-UPS models. It fits the listed SMC2000I and SMT1500 series rack-mount and tower units without modification. The maintenance-free design eliminates the need for electrolyte checks. It arrives new and ready for installation in critical power infrastructure.
Steady output during extended runtime events
The sealed lead-acid chemistry delivers consistent voltage across the full discharge curve rather than a brief peak. Internal resistance remains stable as the cells deplete, so connected equipment sees clean power until the UPS initiates its low-battery shutdown. The 26.8 lb mass reflects the plate area needed for sustained current without excessive voltage sag. No active cooling is required during prolonged outages.
Leak-proof construction simplifies rack mounting
The ABS casing is sealed to prevent electrolyte leakage in any orientation, allowing horizontal or vertical installation in 2U rail kits. Dimensions of 13.5" L x 8.50" W x 3.25" H match the original cartridge footprint so existing battery trays and front-panel latches engage correctly. Terminals are positioned for the OEM wiring harness, reducing cable strain. The 18 month warranty period covers manufacturing defects. Buyers needing lithium-ion cycle life or hot-swap modularity should look elsewhere.
How it compares
Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.
- Price $192.99
- Pricier than about 90% of the 27,790 comparable items (median $30.99).
Specifications
| Product | |
|---|---|
| Brand name | Powerwarehouse |
| Model name | APCRBC133-PW |
| Part number | APCRBC133-PW |
| Size & build | |
| Measurements | 13.5 in L × 8.5 in W × 3.25 in H |
| Product weight | 26.8 lb (12.2 kg) |
| Compatibility | |
| Compatible with | SMC2000I-2U, SMC2000I-2URS, SMT1500R2-NMC, SMT1500R2I-6 W, SMT1500R2I-AR, SMT1500R2 × 122, SMT1500R2 × 180, SMT1500RM2U, SMT1500RM2UNC, SMT1500RM2UTW, SMT1500RMI2U, SMT1500RMI2UNC, SMT1500RMUS |
Questions about this item
How much heat does the 26.8 lb sealed lead-acid cartridge produce during continuous UPS operation?
The maintenance-free sealed lead-acid design runs without active cooling, so it adds minimal heat inside the UPS chassis during all-day use.
Which UPS models must I already own for the APCRBC133-PW cartridge to fit and connect?
It replaces Battery Cartridge #133 in APC units including SMC2000I-2U, SMC2000I-2URS, SMT1500R2-NMC, SMT1500R2I-6W, SMT1500R2I-AR, SMT1500R2X122, SMT1500R2X180, SMT1500RM2U, SMT1500RM2UNC, SMT1500RM2UTW, SMT1500RMI2U, SMT1500RMI2UNC and SMT1500RMUS.
Will the 13.5 x 8.5 x 3.25 inch cartridge work in an older Smart-UPS 1500 RM 2U that still uses the original RBC133?
Yes, it directly replaces the RBC133 cartridge used in those legacy 2U rack-mount Smart-UPS 1500 models.
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