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Rectangular sealed lead-acid battery, grey case, two terminals on top

BatteryJack inc.

BatteryJack inc. 12V 18Ah CB19-12 ups replacement battery

SKU CH-2MG7-JPC1G

12 V 18 Ah sealed lead-acid AGM battery delivers maintenance-free deep-cycle power for UPS backup with over 90 % gas recombination

  • Delivers steady 12 V power for UPS systems
  • 18 Ah capacity supports extended backup runtime
  • AGM design recombines over 90 % of generated gas
  • Sealed construction prevents electrolyte leakage in any position
  • Maintenance-free operation requires no water or gravity checks

12 V 18 Ah AGM UPS Battery

The BatteryJack 12 V 18 Ah sealed lead-acid battery uses AGM technology for maintenance-free operation. It is built as a direct OEM replacement for compatible UPS units. The sealed construction prevents electrolyte leakage and allows installation in any position. Gas recombination exceeds 90 percent during normal use.

Suits UPS owners needing a drop-in 18 Ah cell

This unit fits users who require a 12 V 18 Ah AGM replacement with a four-to-seven-year expected life. It is not for buyers who need a different voltage, a higher amp-hour rating, or a lithium-based chemistry. Systems requiring terminal types or case dimensions not matching the CB19-12 form factor should look elsewhere.

18 Ah capacity for typical backup loads

The 18 Ah rating supports common UPS loads for the runtime designed by the original equipment manufacturer. It handles float-service applications without watering or specific-gravity checks. Runtime ends when the connected load draws the stored charge down to the UPS low-voltage cutoff.

How it compares

Measured against everything we stock in UPS Replacement Batteries, at today’s prices. Recalculated every night.

Price $44.99
Pricier than about 55% of the 3,915 comparable items (median $39.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does this 12V 18Ah battery need a UPS with a specific terminal layout to fit?

The CB19-12 is a 100% OEM replacement designed to match the original battery dimensions and terminal positions of compatible UPS units.

Can I keep using my existing charger with this AGM battery?

Yes, the sealed AGM construction works with standard UPS charging circuits and requires no maintenance or watering during its service life.

How do I confirm the battery is holding charge after installation?

The UPS self-test will verify capacity; expect over 90% gas recombination and a floating service life of 4-7 years under normal conditions.

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