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A rectangular black sealed lead-acid battery with terminal connectors and cables

Battery Technology Inc.

Battery Technology Inc. SLA2-BTI UPS Replacement Battery RBC2 Compatible APC BK250 280 300 400 500

SKU CH-T2KQ-JW84S MPN SLA2-BTI

Maintenance-free lead-acid battery kit replaces APC RBC2 units in BK250, 280, 300, 400 and 500 series UPS models

  • Product typeBattery
  • 100% OEM compatible with APC BK250 280 300 400 500 series
  • Maintenance-free lead-acid design requires no upkeep
  • Hot-swappable battery enables replacement without powering down
  • Kit includes connectors and cables for plug-and-play installation

Compatible RBC2 Replacement Battery

The Battery Technology Inc. SLA2-BTI is a maintenance-free lead-acid battery designed as a direct RBC2 replacement for APC UPS units. It arrives new with connectors and cables included for plug-and-play installation. The hot-swappable design allows battery changes without powering down connected equipment.

Fits BK250 280 300 400 500 Series

This battery supports APC UPS models in the BK250, 280, 300, 400 and 500 series for standard backup runtime. It is not suited for higher-capacity UPS units that require larger battery packs or different form factors. Buyers needing extended runtime beyond the original specification should look elsewhere.

How it compares

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

Price $43.99
Typical for this category: the median of 3,915 items is $39.99.

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Specifications

Product
Brand nameBTI
Product typeBattery
Size & build
Shipping weight2.52 kg
Package size218 × 185 × 91 mm

Questions about this item

Will the SLA2-BTI fit the same connectors and cables as the original APC RBC2 in my BK300 UPS?

Yes, the kit includes the matching connectors and cables for a direct plug-and-play swap in the BK250 280 300 400 500 series.

How can I verify the maintenance-free lead-acid battery is charging correctly after installation?

The UPS will run its self-test and show a normal charge indicator once the hot-swappable pack reaches full voltage.

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