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$15.67
| Voltage | AH/kVA | Length | Width | Height | Weight |
|---|---|---|---|---|---|
| 6 Volts | 4.5 AH | N/A | N/A | N/A | N/A |
| Voltage | 6 Volts |
| Amp/H | 4.5 AH |
| Length | N/A |
| Width | N/A |
| Height | N/A |
| Weight | N/A |
These Gruber Power Services GPS4-series batteries are individual AGM (VRLA) cells designed to
match the form factor and electrical characteristics used in APC RBC1 battery cartridges. They are
not a finished RBC1 cartridge — instead, they provide the high-quality replacement cells you need when
you want to rebuild your existing APC tray/harness yourself.
A typical APC RBC1 module is built from two 6 V, 4.5 Ah sealed lead-acid batteries wired together in the
original APC bracket. By reusing your existing plastic tray and wiring harness and installing fresh batteries,
you can restore runtime and reliability while keeping more hardware out of the landfill.
| Category | Detail |
|---|---|
| Intended Use | Cell replacements for rebuilding APC RBC1 battery trays/harnesses |
| Typical RBC1 Build | 2 × 6 V, 4.5 Ah sealed lead-acid batteries wired in the original APC bracket |
| Battery Chemistry | AGM VRLA (maintenance-free, non-spillable) |
| Nominal Voltage / Capacity | 6 V, 4.5 Ah per cell |
| Connectors | Faston-style terminals (reuse your APC harness and hardware) |
| What’s Not Included | No plastic tray, harness, fuses, or APC labeling — cells only. |
If you prefer a drop-in, ready-to-install cartridge, see our complete APC RBC1 replacement pages. This listing
is for technicians and DIY users who want to reuse their existing APC tray and harness while installing new, high-quality
cells from Gruber Power Services.
