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 rectangular 12V sealed lead-acid battery block

RefurbUPS

RefurbUPS MK ES7-12FR 12V 7A UPS replacement battery

SKU CH-25M6-PBRCS

Single 12 V 7 Ah SLA battery kit with installation guide for UPS replacement

  • Product typeKit/Package
  • Product weight6
  • 12 V 7 A sealed lead-acid battery delivers reliable backup power
  • Single high-rate discharge cell fits compatible UPS units directly
  • Factory-fresh stock ensures immediate installation readiness
  • Comprehensive installation guide simplifies the replacement process
  • Non-FR rated design suits standard UPS applications

MK ES7-12FR replacement battery

The MK ES7-12FR is a 12V 7A sealed lead-acid battery cartridge designed for UPS systems. It serves administrators who need a direct replacement to restore backup runtime for critical equipment.

High-rate discharge under sustained load

The high-rate discharge design delivers steady current during extended outages rather than only brief spikes. This behaviour supports servers and network gear that must stay online until utility power returns or a graceful shutdown completes.

Thermals noise and power draw

The sealed construction operates without fan noise and requires no active cooling in normal use. Self-discharge remains low while the battery sits on float charge, so the UPS draws minimal extra power to keep the pack ready.

How it compares

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

Price $19.99
Cheaper than about 73% of the 3,915 comparable items (median $39.99).

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

Specifications

Product
Brand nameMK Battery
Product lineMK Battery
Product typeKit/Package

Questions about this item

Does the 12V 7A SLA battery generate noticeable heat or noise during continuous UPS operation?

The sealed lead-acid chemistry runs silently with no moving parts; heat output is minimal under normal float-charge conditions inside a UPS enclosure.

What existing UPS hardware is required to install this MK ES7-12FR replacement cartridge?

A compatible UPS unit that accepts a 12V 7A SLA battery and provides the standard terminal connections for this form factor.

Will this replacement battery work reliably in an older UPS that has been in service for several years?

Yes, the factory-fresh 12V 7A SLA cell restores original runtime and high-rate discharge performance in aging UPS systems.

More in UPS Replacement Batteries

Similar items