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
Single square 12V 5A sealed lead-acid battery with .25 inch terminals

RefurbUPS

RefurbUPS EnerSys NP5-12 12V 5A UPS replacement battery

SKU CH-9Z6C-KTVVB

A genuine EnerSys 12 V 5 A sealed lead-acid battery with .25" terminals for UPS replacement

  • TypeKit/Package
  • Weight5
  • Genuine EnerSys part ensures exact fit
  • 12 V 5 A rating delivers reliable backup power
  • 25 in terminals match original connections
  • Factory fresh cells provide consistent performance
  • High-rate discharge design supports demanding UPS loads

Genuine EnerSys 12V 5Ah UPS battery

This replacement battery uses a single EnerSys NP5-12 sealed lead-acid cell rated at twelve volts and five ampere-hours. It fits UPS units that require this exact form factor and terminal style. Buyers maintaining compatible APC, CyberPower or Eaton models will find a direct drop-in part. Systems needing higher capacity or a different voltage must choose another product.

High-rate discharge under sustained load

The cell is built for high-rate discharge so it delivers stable voltage during extended outages rather than only short bursts. Internal resistance stays low through repeated cycles, helping the UPS hold its rated runtime. Users who demand constant current for long periods will see consistent performance. Applications requiring lithium chemistry or faster recharge are not served by this design.

Simple drop-in with .25 inch terminals

The battery arrives factory-fresh with .25 inch faston terminals that slide onto the existing UPS leads without tools. Polarity matches the original NP5-12 layout, so wiring errors are rare. Installers must still verify the UPS chassis accepts the physical dimensions before mounting. Units with proprietary connectors or different terminal spacing cannot use this kit.

Highlights

  • Genuine EnerSys part ensures exact fit
  • 12 V 5 A rating delivers reliable backup power
  • 25 in terminals match original connections
  • Factory fresh cells provide consistent performance
  • High-rate discharge design supports demanding UPS loads

Specifications

Brandenersys
TypeKit/Package
Weight5

Questions about this item

How much heat does the 12V 5A SLA battery produce when the UPS runs continuously all day?

The sealed lead-acid chemistry generates minimal heat during normal float charging; the battery stays close to ambient temperature inside the UPS enclosure.

What existing UPS hardware is required for the EnerSys NP5-12 to function as a replacement?

The battery fits any UPS that accepts a 12 V 5 Ah brick with .25-inch faston terminals and the same physical footprint as the original cartridge.

Will the .25-inch terminals on this EnerSys NP5-12 connect directly to the wiring harness in my older UPS unit?

Yes, the .25-inch faston tabs match the standard connector used on legacy UPS models that originally shipped with an NP5-12 or equivalent 12 V 5 Ah battery.

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.