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Rectangular black sealed lead-acid battery with two top terminals

BatteryJack inc.

BatteryJack inc. UB1234ALT69 12V 3.3AH SLA battery

SKU CH-FGZH-79EQK

12 V 3.3 Ah sealed lead-acid battery with AGM technology, maintenance-free operation and 1.6 inch terminal spacing for UPS and security systems

  • Maintenance-free AGM design simplifies operation
  • Compact 5.28 x 2.64 x 2.4 inch footprint fits tight spaces
  • 12 V 3.3 Ah capacity powers UPS and security systems
  • Direct replacement for RBC35 RBC47 and CyberPower cartridges
  • Expected 4 to 7 year service life in standby use

12V 3.3AH SLA replacement battery

This sealed lead-acid battery uses AGM technology for maintenance-free operation. It serves as a direct OEM replacement in UPS units, emergency lighting, fire alarm panels, security systems and telecommunication equipment. The compact design fits standard battery compartments in backup power supplies and DC power systems. Expected service life ranges from four to seven years under normal conditions.

Check terminal spacing and voltage before ordering

Verify that your device requires a 12 volt 3.3 ampere-hour battery with F1 or F2 terminals spaced 1.6 inches apart. Measure the available compartment against the 5.28 by 2.64 by 2.4 inch case dimensions to confirm physical fit. Ensure the application is listed among compatible UPS models such as APC BE350 series, CyberPower CPS325SL or Conext CNB325. Confirm the existing battery chemistry is SLA or AGM, not lithium or gel.

Thermals noise and power draw in normal use

Sealed AGM construction produces no audible noise during standby or discharge cycles. Heat generation remains minimal during typical float charging and intermittent backup loads. The maintenance-free design eliminates watering or venting requirements. Internal resistance stays stable across the rated temperature range, supporting reliable voltage delivery for UPS and alarm applications.

How it compares

Measured against everything we stock in Disposable & Rechargeable Batteries, at today’s prices. Recalculated every night.

Price $16.99
Cheaper than about 72% of the 985 comparable items (median $28.99).

Specifications

No published specifications for this item yet.

Questions about this item

What comes in the box and what else do I need to buy?

The package contains the sealed lead-acid battery only; cables, mounting hardware and any UPS installation kit are sold separately.

Which version fits my APC BACK-UPS ES BE350?

The UB1234ALT69 is a direct 100 % OEM replacement for the RBC35 cartridge used in the BE350, BE350G, BE350U and related models.

How long will the 3.3 AH rating actually run my UPS?

Runtime depends on the connected load; the 3.3 AH capacity is the standard measure for comparing backup duration across compatible UPS units.

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