APC Battery Cells โ for APC RBC35ย Pack (NOT a Complete Cartridge)
These are individual AGM (VRLA) batteries โ the same cell type used to populate an APC RBC35ย battery module. They are not a finished RBC35 cartridge. Use them to rebuild your existing tray/harness if you wish to perform the replacement yourself.
Typical RBC35 modules are assembled from a single 12 V, 3.5 Ah cell.
This page is for loose cells only.
Compatibility โ APC RBC35
Compatible UPS Models
OEM RBC Part Number
APC Back-UPS ES 350
RBC35
APC Back-UPS ES 400
RBC35
APC Back-UPS CS 350
RBC35
Specifications โ Gruber Power Replacement
Parameter
Value
Voltage
12 V DC
Capacity
3.5 Ah
Battery Count
1 ร 12 V, 3.5 Ah
Terminal Type
F2 (0.25″) Faston
Battery Chemistry
AGM, Valve Regulated LeadโAcid (VRLA)
Installation
User-replaceable, plug-and-play
Why buy from Gruber
Always-fresh inventory โ High volume means packs donโt sit aging on a shelf.
Premium, recent-date cells for dependable runtime and performance.
Longest service life possible from fresh stock, correctly matched to your UPS.