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
Four 12V 7A sealed lead-acid batteries in a kit

RefurbUPS

RefurbUPS Upsonic CS 2000 Compatible Replacement Battery Kit 12V7A 4 Pack

SKU CH-81HK-1EK0B

Four 12V 7Ah sealed lead-acid batteries replace the Upsonic CS 2000 UPS power pack

  • TypeKit/Package
  • Weight24
  • Four 12 V 7 Ah batteries power the Upsonic CS 2000 UPS
  • Kit includes four matched cells for balanced discharge
  • Factory-fresh sealed lead-acid units deliver reliable backup
  • Step-by-step installation guide simplifies replacement
  • 24 kg total weight reflects robust battery construction

UPS Replacement Battery Kit for Upsonic CS 2000

This kit supplies four 12V7A sealed lead-acid batteries built as direct replacements for the Upsonic CS 2000 uninterruptible power supply. It targets administrators who need factory-fresh cells to restore runtime after the original set reaches end of life. The package includes step-by-step installation instructions so in-house staff can swap modules without specialist tools.

Thermals, noise and power draw in normal use

Sealed lead-acid chemistry runs silently and produces negligible heat during float charging or light discharge cycles. No fans or active cooling are required, so the UPS remains quiet in office or server-room environments. Self-discharge is low, keeping the pack ready for extended periods between utility outages.

Behaviour under sustained load

The high-rate discharge design delivers stable voltage through the full depth of a prolonged outage, supporting connected equipment until utility power returns or graceful shutdown completes. Four cells wired in the factory configuration maintain balanced current sharing, reducing the risk of premature cell failure during long runtime events.

Highlights

  • Four 12 V 7 Ah batteries power the Upsonic CS 2000 UPS
  • Kit includes four matched cells for balanced discharge
  • Factory-fresh sealed lead-acid units deliver reliable backup
  • Step-by-step installation guide simplifies replacement
  • 24 kg total weight reflects robust battery construction

Specifications

BrandUpsonic
SeriesUpsonic Batteries
TypeKit/Package
Weight24

Questions about this item

How do I install the four 12V7A batteries in the CS 2000 UPS, and which step is often missed?

Open the battery compartment, disconnect the old set, connect the new batteries in the same series arrangement, secure the cover, then charge for the recommended period before putting the UPS back online.

What maintenance or replacement will the 12V7A SLA pack need later?

Expect to replace the whole four-battery kit every three to five years; meanwhile, keep terminals clean, ensure the UPS runs a self-test monthly, and store spare kits at cool room temperature.

What limit appears first during a long runtime on the CS 2000 with this kit?

The 12V7A capacity determines how long the UPS can sustain the load; once the voltage drops to the cutoff threshold, the UPS shuts down to protect the batteries.

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.