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Single 12V 9A battery cartridge in black plastic housing

RefurbUPS

RefurbUPS MK ES9-12T2 12V9A ups replacement battery

SKU CH-4949-1NP7S

A 12V9A factory-fresh replacement battery cartridge for UPS systems

  • TypeBattery
  • Weight7
  • Factory-fresh cells deliver reliable backup power
  • 12 V 9 Ah rating matches original UPS specifications
  • Single-battery cartridge installs without extra wiring
  • High-performance design supports immediate deployment

Compatible UPS Battery Replacement

The MK ES9-12T2 compatible cartridge delivers a 12 V 9 A sealed lead-acid cell built to match the original specifications of supported UPS units. It arrives factory fresh and ready for immediate installation in compatible power-protection systems.

Sustained Load Behaviour

Under continuous discharge the sealed construction maintains stable voltage output without gas release, allowing the UPS to support connected equipment until mains power returns or a controlled shutdown completes. The design is not suited for applications requiring deep-cycle endurance beyond standard UPS runtime demands.

Highlights

  • Factory-fresh cells deliver reliable backup power
  • 12 V 9 Ah rating matches original UPS specifications
  • Single-battery cartridge installs without extra wiring
  • High-performance design supports immediate deployment

Specifications

TypeBattery
Weight7

Questions about this item

How much heat does the 12V9A battery generate during continuous float charging?

The sealed lead-acid chemistry runs cool under normal float charge; ensure the UPS ventilation openings remain unobstructed so any warmth can dissipate.

What must I already own for this MK ES9-12T2 cartridge to work?

You need a compatible UPS that accepts a single 12V9A battery cartridge with the same physical dimensions and terminal layout.

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

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