We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in
6V 12Ah sealed lead acid battery block with terminal posts

BatteryJack inc.

BatteryJack inc. 6V 12Ah UB6120 Sealed Lead Acid Battery

SKU CH-GCQC-W6JEK

6 V 12 Ah sealed lead-acid battery with AGM technology for UB6120 UPS replacement

  • Ready for critical backup with 12 Ah sealed lead-acid power
  • Advanced AGM technology delivers maintenance-free operation
  • Direct 100 % OEM replacement for UB6120 units
  • Designed for 4 to 7 years of expected service life
  • 6 V 12 Ah rating matches original 10 Ah UPG specification

Direct OEM Replacement

This 6 V 12 Ah sealed lead-acid battery is a 100 % OEM match for the UB6120, making it a drop-in substitute for UPS units that specify that part number. It uses AGM construction so it ships ready to install and requires no electrolyte maintenance.

Simple Swap with Polarity Care

Installation is a matter of disconnecting the old pack and connecting the new one in the same orientation; the only common error is reversing the terminals, which will prevent the UPS from starting. No tools beyond a basic screwdriver are typically needed and the maintenance-free design means there are no fill ports to manage.

Limited by Lead-Acid Chemistry

The 4 to 7 year expected service life assumes float charging at moderate temperatures; deep discharges or sustained high heat will shorten that span considerably. The 12 Ah capacity suits the original 10 Ah specification but cannot support extended runtime additions without a larger enclosure or parallel wiring that the host UPS may not allow.

Highlights

  • Ready for critical backup with 12 Ah sealed lead-acid power
  • Advanced AGM technology delivers maintenance-free operation
  • Direct 100 % OEM replacement for UB6120 units
  • Designed for 4 to 7 years of expected service life
  • 6 V 12 Ah rating matches original 10 Ah UPG specification

Specifications

No published specifications for this item yet.

Questions about this item

How can I verify the 6V 12Ah UB6120 battery is working after installation?

Measure the terminal voltage with a multimeter; a fully charged unit should read approximately 6.3 to 6.4 volts, and the UPS self-test should complete without fault.

What is included with the UB6120 battery and what must I purchase separately?

The sealed lead-acid battery is supplied as a single unit with integrated terminals; mounting hardware, cables, and any UPS-specific connectors are not included.

Which UB6120 capacity should I choose for a 10Ah UPS replacement?

Select the 12Ah version; it fits the same footprint as the 10Ah UB6120 and provides extra runtime while remaining a direct OEM replacement.

New to this? Which coin should you pay with — what to check, what it costs to pay, and what is never asked for.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.