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
Three sealed 12V lead-acid batteries in a replacement kit

RefurbUPS

RefurbUPS Dell 1000W J718N-2U UPS Replacement Battery Kit

SKU CH-EFJ2-MMJXZ

Kit contains three 12V 9Ah sealed lead-acid batteries for Dell 1000W J718N-2U UPS units

  • TypeKit/Package
  • Weight21
  • Compatible kit restores Dell 1000W J718N-2U UPS runtime
  • Three 12V9A high-rate cells deliver reliable backup power
  • Factory-fresh SLA batteries ensure consistent discharge performance
  • 21 kg kit ships complete with installation instructions
  • Eaton Powerware manufacture backs quality and compatibility

Compatible Replacement Battery Kit

This replacement battery kit is designed for the Dell 1000W J718N-2U uninterruptible power supply. It consists of three 12V9A sealed lead-acid batteries rated for high-rate discharge. The kit includes comprehensive installation instructions for straightforward replacement. It is intended for server and network administrators maintaining backup power systems.

Practical Limits of Lead-Acid Chemistry

Sealed lead-acid batteries degrade over time regardless of use, requiring periodic replacement to maintain runtime. High-rate discharge cells deliver the short bursts needed during power transitions but offer lower energy density than other chemistries. The three-battery string operates at a fixed voltage determined by the UPS design. Users needing longer runtime must add external battery modules supported by the UPS.

Three 12V9A High-Rate Discharge Batteries

The kit supplies exactly three 12-volt 9-ampere-hour batteries configured for the J718N-2U unit. This specific count and capacity match the original cartridge electrical specifications. Installers should verify the existing battery label before ordering to confirm compatibility. The product is not suitable for UPS models requiring a different battery quantity or voltage.

Highlights

  • Compatible kit restores Dell 1000W J718N-2U UPS runtime
  • Three 12V9A high-rate cells deliver reliable backup power
  • Factory-fresh SLA batteries ensure consistent discharge performance
  • 21 kg kit ships complete with installation instructions
  • Eaton Powerware manufacture backs quality and compatibility

Specifications

BrandEaton / Powerware
SeriesEaton / Powerware Batteries
TypeKit/Package
Weight21

Questions about this item

Should I choose the three-battery kit or look for a single 12 V 9 Ah unit?

The kit contains three 12 V 9 Ah batteries wired together to match the Dell 1000 W J718N-2U UPS; a single cell cannot supply the required voltage or runtime.

What does the 1000 W rating mean once the kit is installed in my UPS?

It indicates the UPS model this kit is built for; the three 12 V 9 Ah cells restore the original backup time and load capacity for that 1000 W unit.

Which battery interface or standard does this kit use, and what does it limit in practice?

The batteries use standard fast-on terminals compatible with the Dell J718N-2U chassis, so the only practical limit is the physical space and wiring layout of that UPS.

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.