What Is APC UPS XS 1500 Replacement Battery?
The APC UPS XS 1500 replacement battery is a 12V 5Ah lead-acid battery designed for uninterrupted power supply systems. These valve-regulated, maintenance-free batteries ensure compatibility with APC Back-UPS XS 1500 units, providing backup during outages. Third-party equivalents like the OTP 12V5AH model meet voltage and capacity specifications but require verification of physical dimensions (typically 151x65x94mm) and terminal alignment to avoid fitment issues.
What specifications define APC XS 1500 replacement batteries?
Replacement batteries for the APC XS 1500 require 12V nominal voltage and 5Ah capacity, with valve-regulated lead-acid (VRLA) construction. Terminal types (e.g., Faston T3 connectors) and dimensions must match original RBC55 or RBC6 packs to ensure seamless integration.
APC’s XS 1500 UPS typically uses two 12V batteries wired in series to deliver 24V system voltage. Third-party alternatives like the OTP 12V5AH maintain this standard but may vary in cycle life—original APC batteries average 3–5 years versus 2–4 years for generic replacements. Pro Tip: Always measure existing battery compartments before purchasing; a 1cm size discrepancy can prevent proper installation. For example, using undersized terminals risks loose connections, causing voltage drops during high-load scenarios.
| Feature | APC RBC55 | Generic 12V5Ah |
|---|---|---|
| Cycle Life | 500 cycles | 300–400 cycles |
| Warranty | 3 years | 1–2 years |
Are third-party batteries safe for APC XS 1500?
Certified third-party batteries with UL/CE compliance are generally safe but may lack APC’s optimized charge algorithms. Non-compliant units risk swelling or leakage under thermal stress.
While APC’s proprietary batteries include firmware-calibrated charging curves, most third-party VRLA batteries use standardized charging profiles. However, mismatched internal resistance in generic cells can lead to premature aging. For instance, a 12V5Ah battery with 25mΩ internal resistance (vs. APC’s 18mΩ) may overheat during prolonged outages. Pro Tip: Prioritize batteries with overpressure vents and flame-retardant casings—critical for preventing thermal runaway in confined UPS enclosures.
Battery Expert Insight
FAQs
No—the XS 1500’s charging circuit is optimized for 5Ah. Using 7Ah or 9Ah batteries risks undercharging, reducing lifespan by 40–60%.
Do replacement batteries require special disposal?
Yes—VRLA batteries contain lead and sulfuric acid. Use certified e-waste recyclers to avoid environmental penalties.