RBC1 replacement battery Catridge APCRBC1 various RBCs
SG-RBC1 Replacement Battery Cartridge for APCRBC1
Compatible Replacement for APCRBC1 – High Performance AGM UPS Battery Cartridge
Looking for a reliable and cost-effective replacement for APCRBC1?
The SG-RBC1 Replacement Battery Cartridge from Sigma Batteries, fully compatible UPS battery cartridge designed to restore your UPS system to full runtime performance.
Built with factory-fresh AGM sealed lead acid batteries, voltage-matched for maximum lifespan, and assembled in Texas, USA — this cartridge delivers dependable backup power for mission-critical equipment.
🔋 Product Overview
- Compatible Replacement for: APCRBC1
- Sigma Model: SG-RBC1
- Nominal Voltage: 12 Volts
- Capacity (20Hr Rate): 4.5 Amp-Hours
- Battery Type: Sealed Lead Acid (SLA) – AGM
- Assembly: Texas, USA
- Condition: Factory Fresh
- Certification: UL & CE Certified
- Warranty: 2-Years Limited Warranty
- Hot Swappable: Yes
This product is ideal for customers searching for:
- APCRBC1 UPS replacement battery cartridge
- UPS battery replacement cartridge for various UPS
- Compatible UPS battery pack
- Sealed lead acid UPS battery
- Hot swappable UPS battery cartridge
- UPS RBC backup battery cartridge
🔧 Built for Performance & Longer Life
The SG-RBC1 battery cartridge is built using:
- Two of 6V4.5Ah Sigma Batteries
- Sigma battery part number: SG0645T1
- Materials safety data sheet for the battery MSDS
- Precision series/parallel configuration to achieve 12 Volts 4.5 Amp-Hours
Every battery inside this cartridge is:
✔ Voltage matched before assembling
✔ From the same manufacturing lot
✔ Factory fresh
✔ UL safety certified
✔ CE certified
✔ Manufactured in ISO-certified facilities
Voltage matching improves balance between batteries, reduces premature failure, and extends overall cartridge life.
⚖ SG-RBC1 vs OEM APCRBC1 Comparison
|
Feature |
SG-RBC1(Sigma) |
OEM APCRBC1 (Discontinued) |
|
Compatibility |
Fully Compatible |
Original |
|
Voltage Matched |
Yes |
Not Always Specified |
|
Fresh Assembly |
Assembled in Texas |
Factory Sealed |
|
Manufacturing Lot Consistency |
Yes |
Not Specified |
|
Certification |
UL & CE |
UL |
|
AGM Technology |
Yes |
Yes |
|
Hot Swappable |
Yes |
Yes |
|
Warranty |
2 Year |
2 Year |
|
Price |
More Cost-Effective |
Premium OEM Pricing |
Why pay OEM pricing when you can get equal performance at better value?
🔬 Advanced AGM Battery Technology
This cartridge uses Absorbed Glass Mat (AGM) technology:
- Sealed and maintenance-free
- Spill-proof design
- Oxygen recombination system prevents water loss
- Ideal for UPS standby applications
- Safe for indoor equipment rooms and data centers
No water refilling. No maintenance. Just reliable backup power.
📐 Battery Cartridge Specifications
|
Specification |
Value |
|
Nominal Voltage |
12V |
|
Capacity (20Hr) |
4.5 Ah |
|
Terminal Type |
T1 |
|
Weight |
3.3 Lbs |
|
Dimensions |
(5.6 x 1.85 x 3.98) inches |
⏳ Expected Life & Warranty
- Design Life: 5 Years at 77°F (25°C)
- Typical Service Life: 3–5 Years
- Warranty: 2-Year Limited Warranty
Battery life depends on operating temperature and number of discharge cycles.
🚚 Shipping & Installation
- Ships nearly fully charged
- Usually ships with in one business day
- Ready for immediate installation
- Hot-swappable in most cases (replace while UPS is operating) – Refer to the specific UPS operating manual
⚠ Batteries are heavy and shipping costs can be significant. Please confirm compatibility before ordering. If unsure, contact us with your UPS model number and a picture of your current battery cartridge.
We supply the battery cartridge only. Existing wires and connectors are reused unless otherwise specified.
♻ Battery Recycling Available
We offer free battery recycling when you purchase from us.
Customers are responsible for shipping used batteries back.
Used UPS batteries must be disposed of according to local and federal regulations.
🛡 Why Choose Sigma Batteries?
- Competitive pricing vs OEM
- Freshly assembled in USA
- Voltage-matched battery packs
- Same lot manufacturing consistency
- UL & CE certified
- Fast shipping
- Responsive customer support
SG-RBC1 is subject to California Proposition 65. “WARNING: This product contains Chemicals known to the state of California to cause cancer and birth defects or other reproductive harm” for more information www.P65warnings.ca.gov”
APCRBC1 (RBC1) is compatible used in the following UPS systems.
- BK200
- BK200B
- RBC11J
- SP05U48M
- SP12U48M
APC® is a registered trademark of Schneider Electric IT Corporation.
Sigma Batteries is not affiliated with, endorsed by, or authorized by Schneider Electric IT Corporation.




