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Sealed 6 V 12 Ah lead-acid battery block with screw terminals

BatteryJack inc.

BatteryJack inc. WKA6-10F 6V 12Ah UPS replacement battery

SKU CH-WQY8-9278W

A 6 V 12 Ah valve-regulated AGM battery built as a direct OEM replacement for UPS units

  • 6 V 12 Ah capacity powers critical UPS systems
  • AGM valve-regulated design requires no maintenance
  • 100 % OEM-compatible fit for direct replacement
  • Expected service life of 4 to 7 years
  • Three-year warranty backs UPS and backup devices

Direct OEM replacement

The BatteryJack WKA6-10F is a 6 volt 12 Ah sealed lead-acid battery built with advanced AGM technology. It arrives maintenance free and serves as a 100 percent OEM replacement for compatible uninterruptible power supply units. The design uses valve-regulated construction for rugged, economical operation in server and network environments.

Swapping aged or failed cells

This unit replaces an exhausted or degraded battery inside an existing UPS, restoring the original runtime and load support. The jump is worth it when the current pack no longer holds sufficient charge to bridge outages or when the monitoring system reports a replacement alert. A fresh pack returns the system to its specified backup performance without changing the host hardware.

Lead-acid chemistry limits

Sealed lead-acid chemistry delivers reliable standby power but has lower energy density than newer chemistries, so the physical pack is larger for the same capacity. The expected service life spans four to seven years under typical float conditions, after which capacity fade accelerates. Deep discharge cycles shorten that window, so the battery works best in applications that remain on float charge most of the time.

How it compares

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

Price $36.99
Typical for this category: the median of 3,915 items is $39.99.

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Specifications

No published specifications for this item yet.

Questions about this item

What are the voltage and capacity ratings I need to match when fitting this 6 V 12 Ah battery?

The battery is rated at 6 volts and 12 Ah, so the replacement must match both values exactly for correct UPS operation.

How do I install the battery and which step is most often missed?

Disconnect the UPS from mains, remove the old pack, connect the new battery observing the same polarity, then secure it in the compartment; the step most often missed is torquing the terminal bolts to the specified value.

When will this sealed AGM unit need replacement and what indicates end of life?

Expected service life is 4 to 7 years; plan replacement when runtime drops noticeably or the UPS reports a battery fault.

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