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APC – RBC21 – 45 WPC – Battery Pack Replacement Kit

RBC21
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RBC21
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Manufacturer

OEM Part Number

RBC21

GPS Part Number

58_GPS-RBC-21

Categories

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Tags

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Price:

$39.88

Specifications
Voltage WPC AH/kVA Length Width Height Weight
12 Volt 45 21 Watt N/A N/A N/A N/A
Voltage 12 Volt
WPC 45
Amp/H 21 Watt
Length N/A
Width N/A
Height N/A
Weight N/A
APC RBC21 Replacement Battery Cell — Cell Only
One 12V AGM Battery  •  21W Rating  •  Battery Only

Refresh your existing APC RBC21 battery cartridge with a 12V sealed lead-acid AGM (VRLA) replacement battery. This battery is intended for rebuilding or servicing a compatible battery assembly.

This listing includes the replacement battery only. Reuse your existing tray, wiring harness, connectors, fuse assembly, and enclosure after confirming that these components are suitable for continued service.

What You Receive
  • One (1) 12V AGM replacement battery
  • 21W battery rating
  • Sealed, maintenance-free VRLA AGM construction
  • Replacement battery for a compatible APC RBC21 cartridge rebuild
Important — Please Read Before Ordering
  • This is not a complete cartridge.
  • Tray, enclosure, wiring harness, connectors, fuse, and other cartridge hardware are not included.
  • The supplied kit contains one (1) 12V AGM battery.
  • Verify the required battery quantity, dimensions, rating, terminals, polarity, and orientation before ordering.
  • Follow the UPS manufacturer’s battery replacement and safety procedures.
  • Recycle used lead-acid batteries according to applicable regulations.
Specification Details
Battery Chemistry Sealed Lead Acid — AGM (VRLA)
Voltage 12V
Power Rating 21W
Quantity One (1) battery
Application APC RBC21 battery cartridge rebuild, subject to compatibility verification
Included One replacement battery only
Not Included Tray, enclosure, wiring harness, connectors, fuse, and other cartridge hardware
Compatibility Verification

Before ordering a replacement battery for an RBC21 cartridge, confirm the requirements using your complete UPS model number and existing battery label. Match the battery specifications, physical dimensions, and terminal arrangement before installation.

Compatibility Check What to Verify
UPS & Existing Battery Complete UPS model number, cartridge label, battery quantity, voltage, rating, dimensions, terminals, and wiring arrangement.
Why Buy From Gruber Power Services?
  • Fresh Battery Inventory — High inventory turnover helps provide recent-date batteries.
  • Careful Packaging — Batteries are securely packed to help reduce shipping damage and terminal stress.
  • UPS Battery Specialists — Gruber Power Services supplies replacement batteries and critical-power solutions for UPS applications.
  • Cost-Effective Rebuild Option — Replace the battery while reusing serviceable cartridge hardware.

Please Note: If you need a ready-to-install assembly with the tray, harness, connectors, and enclosure, select a complete replacement cartridge. This listing includes one replacement battery only.

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