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$31.50
| Voltage | WPC | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|---|
| 12 Volt | 28 | 12 AH | N/A | N/A | N/A | N/A |
| Voltage | 12 Volt |
| WPC | 28 |
| Amp/H | 12 AH |
| Length | N/A |
| Width | N/A |
| Height | N/A |
| Weight | N/A |
These Gruber replacement AGM (VRLA) batteries are individual cells designed to match the form factor and electrical characteristics used in APC battery cartridges. They are not a finished RBC4 module — instead, they provide the high-quality 12 V cell you need when you want to rebuild your existing APC tray and harness yourself.
A typical APC RBC4 cartridge is built from one 12 V, 12 Ah sealed lead-acid battery mounted in the original APC plastic tray and wired to the OEM harness. By reusing your existing bracket and cabling and installing a fresh cell, you can restore runtime and reliability while keeping more hardware out of the landfill.
| Category | Detail |
|---|---|
| Intended Use | Cell replacement for rebuilding APC RBC4 battery trays/harnesses |
| Typical RBC4 Build | 1 × 12 V, 12 Ah sealed lead-acid battery in APC’s OEM tray and wiring harness |
| Battery Chemistry | AGM VRLA (maintenance-free, non-spillable) |
| Nominal Voltage / Capacity | 12 V, 12 Ah per cell |
| Terminals | Faston-style terminals compatible with OEM APC harness (reuse existing wiring and hardware) |
| What’s Not Included | No APC tray, harness, fuses, or labels — loose cell only. |
If you prefer a drop-in, ready-to-install cartridge, see our complete APC RBC4 replacement products. This listing is for technicians and DIY users who want to reuse their existing APC tray and harness while installing a new, high-quality 12 V, 12 Ah cell from Gruber Power Services.
