BK420PNP APC UPS compatible replacement battery cartridge with higher capacity
SG-RBC2P Replacement Battery Cartridge for BK420PNP APC UPS. Plug and Play no assebmly required.
Compatible Replacement for APCRBC2 – Provides higher capcacity compared to OEM Battery Cartridge
Looking for a reliable and cost-effective replacement for APCRBC2 with higer capacity?
The SG-RBC2P 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: BK420PNP APC UPS
- Sigma Model: SG-RBC2P
- Nominal Voltage: 12 Volts
- Capacity (20Hr Rate): 9 Amp-Hours 28% higher back up time at 20Hr rate
- 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:
- Replacement battery cartridge with higher capacity for BK420PNP UPS
- This UPS battery replacement cartridge is compatible with many other UPS battery cartridges.
- Sealed lead acid UPS battery
- Hot swappable UPS battery cartridge
Built for Performance & Longer Life
The SG-RBC2P battery cartridge i:
- One 12V9Ah Sigma Battery with T2 terminals.
- Data Sheet for SG1290T2 12V9Ah battery with T2 terminals
- Materials safety data sheet for the battery MSDS RBC2P
Every battery inside this cartridge is:
? 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-RBC2P vs OEM APCRBC2 Comparison
|
Feature |
SG-RBC2P(Sigma) |
OEM APCRBC2 |
|
Compatibility |
Fully Compatible |
Original |
| Capacity | 9Ah | 7Ah |
| Voltage | 12V | 12V |
|
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 Specifications
|
Specification |
Value |
|
Nominal Voltage |
12V |
|
Capacity (20Hr) |
9 Ah |
|
Terminal Type |
T2 (0.250)inch |
|
Weight |
5.3 Lbs. |
|
Dimensions |
(5.94 x 2.56 x 3.74) 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 within 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-RBC2P 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”
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.
