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Small sealed battery pack in black plastic housing

RefurbUPS

RefurbUPS APC Back-UPS 300 C BK300C replacement battery kit

SKU CH-S6W0-VTEFK

A replacement battery kit with a 12V7A cartridge for the Back-UPS 300 C

  • Product typeBattery
  • Product weight6
  • Factory-fresh battery restores UPS runtime
  • 12 V 7 Ah cell fits BK300C units
  • Single cartridge replaces APC RBC2 directly
  • New condition ensures reliable backup power

Compatible 12V 7Ah battery kit

This replacement battery kit fits the APC Back-UPS 300 C model. It contains one factory-fresh 12V 7Ah sealed lead-acid cell. The unit weighs 6 and arrives ready for immediate installation.

Users restoring a BK300C UPS

Buyers who need a direct replacement for an ageing cartridge will find this kit matches the original specifications. Shoppers looking for a higher-capacity pack or a different voltage should consider other options.

How it compares

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

Price $16.99
Cheaper than about 80% of the 3,915 comparable items (median $39.99).

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Specifications

Product
Product typeBattery

Questions about this item

Should I choose the single 12 V 7 Ah battery or a different capacity for my Back-UPS 300 C?

The kit contains one 12 V 7 Ah battery matched to the original RBC2 specification, so no other capacity is required.

What runtime does the 12 V 7 Ah battery give when installed in a Back-UPS 300 C?

It restores the unit to its factory runtime of 300 VA, delivering the same backup minutes as the original cartridge.

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