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A single 12V 7A UPS replacement battery cartridge

RefurbUPS

RefurbUPS ONeAc ONM300 12V 7A ups replacement battery

SKU CH-K1YR-3SAMY

A 12 V 7 A ONM300 replacement battery cartridge for UPS systems

  • Product typeBattery
  • Product weight6
  • Factory-fresh cells deliver reliable backup power
  • High-performance design supports consistent UPS runtime
  • Single 12 V 7 A cartridge fits ONeAc ONM300 units
  • Ready-to-install kit includes one complete battery module

Compatible replacement battery kit

This 12 V 7 Ah battery cartridge replaces the original unit in compatible UPS systems. It arrives factory fresh and ready for immediate installation. The single-battery kit restores backup power without modification.

Steady discharge under load

The sealed lead-acid chemistry delivers consistent voltage during extended outages rather than a brief surge. Internal resistance remains stable across repeated cycles. Capacity holds through prolonged runtime demands. Suitable for equipment that needs sustained backup instead of momentary ride-through.

How it compares

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

Price $15.99
Cheaper than about 83% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Product typeBattery

Questions about this item

How much heat does the ONM300 12V 7A battery generate during continuous operation?

The battery is a sealed lead-acid unit that produces minimal heat under normal float charging; sustained heavy discharge will warm the case but stays within typical UPS enclosure limits.

What existing UPS hardware is required for the ONM300 replacement kit to function?

A compatible UPS chassis that accepts a single 12 V 7 Ah cartridge with the standard F2 terminal layout and matching physical dimensions.

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